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firewall
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1949 lines (1748 loc) · 106 KB
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#! /bin/bash
### BEGIN INIT INFO
# Provides: firewall
# Required-Start: $local_fs $remote_fs $syslog
# Required-Stop: $local_fs $remote_fs
# Should-Start: iptables
# Should-Stop: iptables
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: Start/stop firewall
# Description: Start/stop firewall, a script to set/unset your custom fir
### END INIT INFO
source /etc/firewall/firewall.settings
source /etc/firewall/firewall.tools
declare -a SPECIALCHAINLIST=($CHAINIPALLOW
$CHAINMAINOUTINTERCR $CHAINOPENCRPORTTCP $CHAINOPENCRPORTUDP
$CHAINMAINOUTINTERWW $CHAINOPENWWPORTTCP $CHAINOPENWWPORTUDP
$CHAINOPENLOCALPORTTCP $CHAINOPENLOCALPORTUDP $CHAINOPENLOCALPORTUDPDHCP
$CHAINMAININTINTERTCP $CHAINMAININTINTERUDP $CHAINMAININTINTERUDPDHCP $CHAINMAININTINTERICMP
$CHAINMAINOUTINTERICMP $CHAINOPENDHCP
$CHAINPORTSENTRYOPENTCP $CHAINPORTSENTRYOPENUDP $CHAINPORTSENTRYCLOSETCP $CHAINPORTSENTRYCLOSEUDP $CHAINPORTSENTRYLOG
$CHAINFORWARDFILTER $CHAINFORWARDTRAFIC $CHAINFORWARDFILTERTCP $CHAINFORWARDFILTERUDP ${CHAINFORWARDFILTERICMP} ${CHAINFORWARDTRAFIC}-from ${CHAINFORWARDTRAFIC}-to
$CHAINOPENSATE $CHAINOUTTRAFIC $CHAINDROPLOG $CHAINDROPLOGSELECTOR $CHAINDROPLOGWITHOUTSELECTOR
$CHAINMAINOUTINTERDROPBADIPSRC $CHAINMAINOUTINTERLOGBADIPDST $CHAINMAINOUTINTERLOGBADIPDSTWB $CHAINMAINOUTINTERLOGBADIPDSTWC $CHAINDROPCAST)
declare -a NATCHAINLIST=(${CHAINPATMAIN}
${CHAINIPALLOW} ${CHAINIPALLOWTCP} ${CHAINIPALLOWUDP} ${CHAINIPALLOWTCP}-logs ${CHAINIPALLOWUDP}-logs
${CHAINMAINOUTINTERCR} ${CHAINOPENCRPORTTCP} ${CHAINOPENCRPORTUDP} ${CHAINOPENCRPORTTCP}-logs ${CHAINOPENCRPORTUDP}-logs
${CHAINMAINOUTINTERWW} ${CHAINOPENWWPORTTCP} ${CHAINOPENWWPORTUDP} ${CHAINOPENWWPORTTCP}-logs ${CHAINOPENWWPORTUDP}-logs
${CHAINOPENLOCALPORTTCP} ${CHAINOPENLOCALPORTUDP} ${CHAINOPENLOCALPORTUDPDHCP} ${CHAINOPENLOCALPORTTCP}-logs ${CHAINOPENLOCALPORTUDP}-logs ${CHAINOPENLOCALPORTUDPDHCP}-logs
${CHAINMAININTINTERTCP} ${CHAINMAININTINTERUDP} ${CHAINMAININTINTERUDPDHCP} ${CHAINMAININTINTERTCP}-logs ${CHAINMAININTINTERUDP}-logs ${CHAINMAININTINTERUDPDHCP}-logs
${CHAINPATLOG})
#
# Function that set the firewall rules
#
set_rules()
{
local pid1
echo "Réglages principaux des interfaces"
insert_rules "-P INPUT ACCEPT" && insert_rules "-F INPUT" && insert_rules "-I INPUT 1 -i lo -j ACCEPT" && insert_rules "-P INPUT DROP" & pid1=$!
insert_rules "-P FORWARD DROP" &
insert_rules "-I OUTPUT 1 -o lo -j ACCEPT" &
insert_rules "-P OUTPUT ACCEPT" &
sysctl -w net.ipv4.conf.all.route_localnet=1 &
# sysctl -w net.ipv6.conf.all.route_localnet=1 & Pas d'équivalent en IPV6. La solution dans ce rare cas, serait d'utiliser un PROXY. Mais le plus simple est d'utiliser localhost 127.0.0.1
insert_rules_quietly "-t raw -N $CHAINICMPTRAFIC" && \
$IPT -t raw -A PREROUTING -p icmp -j $CHAINICMPTRAFIC && \
$IPT -t raw -A $CHAINICMPTRAFIC -p icmp -m u32 ! --u32 "4&0x3FFF=0" -j DROP && \
$IPT -t raw -A $CHAINICMPTRAFIC -p icmp -m length --length 1492:65535 -j DROP &
$IPS create $IPSLISTGOODIP hash:ip maxelem 999999999 2> /dev/null &
$IPS create ${IPSLISTGOODIP}6 hash:ip maxelem 999999999 family inet6 2> /dev/null &
$IPS create ${IPSLISTBADIP} hash:net maxelem 999999999 2> /dev/null &
$IPS create ${IPSLISTBADIP}6 hash:net maxelem 999999999 family inet6 2> /dev/null &
$IPS create ${IPSLOCALS} hash:net maxelem 999999999 2> /dev/null &
$IPS create ${IPSLOCALS}6 hash:net maxelem 999999999 family inet6 2> /dev/null &
$IPS create $IPSDOH hash:ip,port maxelem 999999999 2> /dev/null &
$IPS create ${IPSDOH}6 hash:ip,port maxelem 999999999 family inet6 2> /dev/null &
declare -a pidsI=()
for chain in "${SPECIALCHAINLIST[@]}"; do
insert_rules_quietly "-N $chain" & pidsI+=($!)
done
local pid2
generate_set_ip_net ${interfaceToGoOutSide[@]} ${internInterfaceHaveAccessAsLocal[@]} ${INTEROut[@]} ${interfaceWithNoRules[@]} ${interfaceLocal[@]} & pid2=$!
declare -a pidsN=()
for chain in "${NATCHAINLIST[@]}"; do
insert_rules_quietly "-t nat -N $chain" & pidsN+=($!)
done
declare -a pidsD=()
generate_set_ip_docker_net ${dockerNetworkWithInternetAccess[@]} ${dockerNetworkWithAccess[@]} & pidsD+=($!)
insert_network_docker_forward_main ${dockerNetworkWithInternetAccess[@]} ${dockerNetworkWithAccess[@]} & pidsD+=($!)
delete_docker_rules ${dockerNetworkWithInternetAccess[@]} ${dockerNetworkWithAccess[@]} &
insert_rules_quietly "-t nat -D OUTPUT ! -d 127.0.0.0/8 -m addrtype --src-type local -j DOCKER" &
insert_rules_quietly "-D FORWARD -j DOCKER-ISOLATION-STAGE-1" &
# On souhaite que nos VM puissent avoir internet rapidement. Il faut donc paramétrer rapidement de forwading
insert_rules "-t nat -I POSTROUTING 1 -o $mainInter -j MASQUERADE" && \
insert_rules "-t nat -I POSTROUTING 1 -m addrtype --dst-type MULTICAST -j RETURN" && insert_rules_quietly "-t nat -I POSTROUTING 1 -m addrtype --dst-type BROADCAST -j RETURN" && \
insert_rules "-t nat -I POSTROUTING 1 -m addrtype --src-type MULTICAST -j RETURN" && insert_rules_quietly "-t nat -I POSTROUTING 1 -m addrtype --src-type BROADCAST -j RETURN" && \
insert_rules "-t nat -I POSTROUTING 1 -m addrtype --dst-type local -j RETURN" && insert_rules "-t nat -I POSTROUTING 1 -m addrtype --src-type local -j RETURN" && \
insert_rules_with_test_ok_ipv4 "-t nat -I POSTROUTING 1 -s 127.0.0.1 -m conntrack --ctstate DNAT -m addrtype ! --dst-type MULTICAST -m addrtype ! --dst-type BROADCAST -j MASQUERADE" "" && \
insert_rules_with_test_ok_ipv6 "-t nat -I POSTROUTING 1 -s ::1 -m conntrack --ctstate DNAT -m addrtype ! --dst-type MULTICAST -j MASQUERADE" "" && \
insert_rules_with_test_ok_ipv4 "-t nat -I POSTROUTING 1 -d 224.0.0.0/24 -j RETURN" "" && insert_rules_with_test_ok_ipv4 "-t nat -I POSTROUTING 1 -d 255.255.255.255 -j RETURN" "" &
insert_rules_with_test_ok_ipv4 "-I OUTPUT 2 -m set --match-set $IPSLISTGOODIP dst -j ACCEPT" "" &
insert_rules_with_test_ok_ipv6 "-I OUTPUT 2 -m set --match-set ${IPSLISTGOODIP}6 dst -j ACCEPT" "" &
declare -a pidsToWaitForLinkFowardRules=()
declare -a pidsInt=()
declare -gA interfaceDHCP=()
declare -a pidsIntm=()
local INTER
local INTERC
wait $pid1
echo "wait pidsI"
wait "${pidsI[@]}"
# On autorise les connexions dont l état est RELATED ou ESTABLISHED des packets
# On fais en sorte que les IPs autorisé puisse enfin avoir de la connectivité
echo "Réglages pour la continuité de reception"
$IPT -I INPUT 2 -m conntrack --ctstate ESTABLISHED,RELATED -g $CHAINOPENSATE && insert_rules_with_test_ok_ipv4 "-I INPUT 3 -m set --match-set $IPSLISTGOODIP src -g $CHAINIPALLOW" "" && echo "Réglages pour la continuité de reception ipv4 OK" &
$IPT6 -I INPUT 2 -m conntrack --ctstate ESTABLISHED,RELATED -g $CHAINOPENSATE && insert_rules_with_test_ok_ipv6 "-I INPUT 3 -m set --match-set ${IPSLISTGOODIP}6 src -g $CHAINIPALLOW" "" && echo "Réglages pour la continuité de reception ipv6 Ok" &
sleep 0.001
# Creation des etats possibles
insert_rules "-A $CHAINOPENSATE -j ACCEPT" &
insert_rules "-A ${CHAINFORWARDTRAFIC} -j ${CHAINFORWARDTRAFIC}-from" && \
insert_rules "-A ${CHAINFORWARDTRAFIC} -j ${CHAINFORWARDTRAFIC}-to" &
# On génère les règles de filtrage pour les interfaces vers l'exterieur
insert_rules_with_test_ok_ipv4 "-A $CHAINMAINOUTINTERDROPBADIPSRC -m set --match-set $IPSLISTBADIP src -j DROP" "" &
insert_rules_with_test_ok_ipv6 "-A $CHAINMAINOUTINTERDROPBADIPSRC -m set --match-set ${IPSLISTBADIP}6 src -j DROP" "" &
insert_rules_quietly "-I $CHAINMAINOUTINTERDROPBADIPSRC 1 -j CROWDSEC_CHAIN" &
insert_rules_quietly_v4 "-A $CHAINMAINOUTINTERDROPBADIPSRC -m set --match-set crowdsec-blacklists src -j DROP" &
insert_crowdsec_list_rules "-A $CHAINMAINOUTINTERDROPBADIPSRC" "src -j DROP" &
insert_rules_quietly_v6 "-A $CHAINMAINOUTINTERDROPBADIPSRC -m set --match-set crowdsec6-blacklists src -j DROP" &
insert_crowdsec6_list_rules "-A $CHAINMAINOUTINTERDROPBADIPSRC" "src -j DROP" &
#-j LOG --log-prefix [iptables-warning]:badIP --log-level 7 --log-uid --log-ip-options
insert_rules "-A $CHAINMAINOUTINTERLOGBADIPDSTWB -j NFLOG --nflog-prefix badIP: --nflog-threshold 5 --nflog-group 62" && \
insert_rules "-A $CHAINMAINOUTINTERLOGBADIPDSTWB -j NFLOG --nflog-prefix badIP: --nflog-threshold 5 --nflog-group 65 --nflog-size 65531" && \
insert_rules "-A $CHAINMAINOUTINTERLOGBADIPDSTWB -j CONNMARK --set-mark 1" &
insert_rules "-A $CHAINMAINOUTINTERLOGBADIPDSTWC -j NFLOG --nflog-prefix crowdsec: --nflog-threshold 5 --nflog-group 62" && \
insert_rules "-A $CHAINMAINOUTINTERLOGBADIPDSTWC -j NFLOG --nflog-prefix crowdsec: --nflog-threshold 5 --nflog-group 65 --nflog-size 65531" && \
insert_rules "-A $CHAINMAINOUTINTERLOGBADIPDSTWC -j CONNMARK --set-mark 1" &
insert_rules_with_test_ok_ipv4 "-A $CHAINMAINOUTINTERLOGBADIPDST -m set --match-set $IPSLISTBADIP dst -g $CHAINMAINOUTINTERLOGBADIPDSTWB" "" &
insert_rules_with_test_ok_ipv6 "-A $CHAINMAINOUTINTERLOGBADIPDST -m set --match-set ${IPSLISTBADIP}6 dst -g $CHAINMAINOUTINTERLOGBADIPDSTWB" "" &
insert_rules_quietly_v4 "-A $CHAINMAINOUTINTERLOGBADIPDST -m set --match-set crowdsec-blacklists dst -g $CHAINMAINOUTINTERLOGBADIPDSTWC" &
insert_crowdsec_list_rules "-A $CHAINMAINOUTINTERLOGBADIPDST" "dst -g $CHAINMAINOUTINTERLOGBADIPDSTWC" &
insert_rules_quietly_v6 "-A $CHAINMAINOUTINTERLOGBADIPDST -m set --match-set crowdsec6-blacklists dst -g $CHAINMAINOUTINTERLOGBADIPDSTWC" &
insert_crowdsec6_list_rules "-A $CHAINMAINOUTINTERLOGBADIPDST" "dst -g $CHAINMAINOUTINTERLOGBADIPDSTWC" &
# On configure le forward pour eviter de prendre trop de temps pour les VM
insert_rules "-I FORWARD 1 -j $CHAINFORWARDTRAFIC" && insert_rules "-I FORWARD 1 -m conntrack ! --ctstate ESTABLISHED,RELATED -j $CHAINFORWARDFILTER" &
#insert_rules "-I $CHAINFORWARDTRAFIC 1 -j $CHAINMAINOUTINTERLOGBADIPDST" &
insert_rules "-A $CHAINFORWARDFILTER -m addrtype --dst-type local -g $CHAINDROPLOGWITHOUTSELECTOR" && \
insert_rules "-A $CHAINFORWARDFILTER -o ${mainInter} -j $CHAINDROPCAST" && \
insert_rules "-A $CHAINFORWARDFILTER -m conntrack ! --ctstate INVALID -m conntrack --ctstate DNAT -j RETURN" && \
insert_rules "-A $CHAINFORWARDFILTER -j $CHAINMAINOUTINTERDROPBADIPSRC" && \
insert_rules "-A $CHAINFORWARDFILTER -j $CHAINMAINOUTINTERLOGBADIPDST" && \
insert_rules_quietly "-A $CHAINFORWARDFILTER -j DOCKER-ISOLATION-STAGE-1" && \
$IPT -A $CHAINFORWARDFILTER -o $mainInter -m set --match-set ${IPSLOCALS} dst -g $CHAINDROPLOGWITHOUTSELECTOR && \
$IPT6 -A $CHAINFORWARDFILTER -o $mainInter -m set --match-set ${IPSLOCALS}6 dst -g $CHAINDROPLOGWITHOUTSELECTOR && \
insert_rules "-A $CHAINFORWARDFILTER -p udp -g $CHAINFORWARDFILTERUDP" && \
insert_rules "-A $CHAINFORWARDFILTER -p tcp -g $CHAINFORWARDFILTERTCP" && \
$IPT -A $CHAINFORWARDFILTER -p icmp -g $CHAINFORWARDFILTERICMP && \
$IPT6 -A $CHAINFORWARDFILTER -p ipv6-icmp -g $CHAINFORWARDFILTERICMP &
# Il n'est pas utile de forward les traffic vers les ports dhcp
insert_rules "-A $CHAINFORWARDFILTERUDP -p udp --dport 67 -g $CHAINDROPLOGWITHOUTSELECTOR" &
insert_rules "-A $CHAINFORWARDFILTERUDP -p udp --sport 68 -g $CHAINDROPLOGWITHOUTSELECTOR" &
insert_rules "-A $CHAINFORWARDFILTERUDP -p udp --dport 547 -g $CHAINDROPLOGWITHOUTSELECTOR" &
insert_rules "-A $CHAINFORWARDFILTERUDP -p udp --sport 546 -g $CHAINDROPLOGWITHOUTSELECTOR" &
# On souhaite flitrer les requetes DNS foward. Il serait bien pour notre propre protection.
insert_rules "-A $CHAINFORWARDFILTERTCP -p tcp --dport 53 -g $CHAINDROPLOGWITHOUTSELECTOR" &
insert_rules "-A $CHAINFORWARDFILTERUDP -p udp --dport 53 -g $CHAINDROPLOGWITHOUTSELECTOR" &
insert_rules "-A $CHAINFORWARDFILTERTCP -p tcp --dport 853 -g $CHAINDROPLOGWITHOUTSELECTOR" &
insert_rules "-A $CHAINFORWARDFILTERUDP -p udp --dport 853 -g $CHAINDROPLOGWITHOUTSELECTOR" &
insert_rules "-A $CHAINFORWARDFILTERTCP -p tcp --dport 5353 -g $CHAINDROPLOGWITHOUTSELECTOR" &
insert_rules "-A $CHAINFORWARDFILTERUDP -p udp --dport 5353 -g $CHAINDROPLOGWITHOUTSELECTOR" &
insert_rules "-A $CHAINFORWARDFILTERTCP -p tcp --dport 9050 -g $CHAINDROPLOGWITHOUTSELECTOR" &
# On améliore la sécurité
insert_rules "-A $CHAINFORWARDFILTERTCP -p tcp --dport 445 -g $CHAINDROPLOGWITHOUTSELECTOR" &
insert_rules "-A $CHAINFORWARDFILTERTCP -p udp --dport 445 -g $CHAINDROPLOGWITHOUTSELECTOR" &
# On bloque le possible traffic vers des serveurs DNS over https
$IPT -A $CHAINFORWARDFILTERTCP -m set --match-set ${IPSDOH} dst -g $CHAINDROPLOGWITHOUTSELECTOR &
$IPT6 -A $CHAINFORWARDFILTERTCP -m set --match-set ${IPSDOH}6 dst -g $CHAINDROPLOGWITHOUTSELECTOR &
$IPT -A $CHAINFORWARDFILTERUDP -m set --match-set ${IPSDOH} dst -g $CHAINDROPLOGWITHOUTSELECTOR &
$IPT6 -A $CHAINFORWARDFILTERUDP -m set --match-set ${IPSDOH}6 dst -g $CHAINDROPLOGWITHOUTSELECTOR &
# On bloque les tentatives de Ping
$IPT -A $CHAINFORWARDFILTERICMP -o ${mainInter} -p icmp --icmp-type address-mask-request -g $CHAINDROPLOGWITHOUTSELECTOR &
$IPT -A $CHAINFORWARDFILTERICMP -p icmp --icmp-type timestamp-request -g $CHAINDROPLOGWITHOUTSELECTOR &
$IPT -A $CHAINFORWARDFILTERICMP -p icmp --icmp-type echo-request -g $CHAINDROPLOGWITHOUTSELECTOR &
$IPT6 -A $CHAINFORWARDFILTERICMP -p ipv6-icmp --icmpv6-type echo-request -g $CHAINDROPLOGWITHOUTSELECTOR &
$IPT6 -A $CHAINFORWARDFILTERICMP -o ${mainInter} -p ipv6-icmp --icmpv6-type neighbour-advertisement -g $CHAINDROPLOGWITHOUTSELECTOR &
$IPT6 -A $CHAINFORWARDFILTERICMP -o ${mainInter} -p ipv6-icmp --icmpv6-type neighbour-solicitation -g $CHAINDROPLOGWITHOUTSELECTOR &
$IPT6 -A $CHAINFORWARDFILTERICMP -o ${mainInter} -p ipv6-icmp --icmpv6-type router-advertisement -g $CHAINDROPLOGWITHOUTSELECTOR &
$IPT6 -A $CHAINFORWARDFILTERICMP -o ${mainInter} -p ipv6-icmp --icmpv6-type router-solicitation -g $CHAINDROPLOGWITHOUTSELECTOR &
# On souhaite que nos VM puissent avoir internet rapidement. Il faut donc paramétrer rapidement de forwading
wait $pid2
for INTER in "${interfaceToGoOutSide[@]}"; do
# inter,net/mask,net6/mask
insert_rules_nat_forward_interface $INTER & pidsToWaitForLinkFowardRules+=($!)
done
insert_set_ip_net ${interfaceToGoOutSide[@]} ${internInterfaceHaveAccessAsLocal[@]} ${INTEROut[@]} ${interfaceWithNoRules[@]} ${interfaceLocal[@]} &
echo "wait pidsN"
wait "${pidsN[@]}"
# Après ce petit temps de configuration, nous pouvons rediriger les main
insert_rules_with_test_ok "-t nat -I PREROUTING -m addrtype --dst-type local -j $CHAINPATMAIN" "-t nat -I PREROUTING -j $CHAINPATMAIN" &
# On prépare déjà le cas des redirections pour l'interface local
insert_rules_with_test_ok "-t nat -I OUTPUT 1 -m addrtype --src-type local -m addrtype --dst-type local -j $CHAINIPALLOW" "" &
insert_rules_with_test_ok_ipv4 "-t nat -I $CHAINPATMAIN 1 -m set --match-set $IPSLISTGOODIP src -g $CHAINIPALLOW" "" &
insert_rules_with_test_ok_ipv6 "-t nat -I $CHAINPATMAIN 1 -m set --match-set ${IPSLISTGOODIP}6 src -g $CHAINIPALLOW" "" &
# Preparation du log pour la chain pat
insert_rules "-t nat -A ${CHAINPATLOG} -j NFLOG --nflog-threshold 5 --nflog-group 63" &
# On doit aussi le configurer pour les ip allow
# On autorise nos IP mais il ne faut pas qu'elle puissent être ban par portsentry
insert_rules "-A $CHAINIPALLOW -p tcp -j $CHAINPORTSENTRYCLOSETCP" && insert_rules "-A $CHAINIPALLOW -p udp -j $CHAINPORTSENTRYCLOSEUDP" && insert_rules "-A $CHAINIPALLOW -j ACCEPT" &
insert_rules "-t nat -A $CHAINIPALLOW -p tcp -g $CHAINIPALLOWTCP" &
insert_rules "-t nat -A $CHAINIPALLOW -p udp -g $CHAINIPALLOWUDP" &
insert_rules_list_dnat "-A $CHAINIPALLOWTCP" "" "" "tcp" "${IPAutorDnatPortTCP[@]}" && insert_rules_list_docker "-A $CHAINIPALLOWTCP" "" "" "tcp" "${IPAutorDockerTCP[@]}" && insert_rules "-t nat -A $CHAINIPALLOWTCP -j $CHAINMAININTINTERTCP" &
insert_rules_list_dnat "-A $CHAINIPALLOWUDP" "" "" "udp" "${IPAutorDnatPortUDP[@]}" && insert_rules_list_docker "-A $CHAINIPALLOWUDP" "" "" "udp" "${IPAutorDockerUDP[@]}" && insert_rules "-t nat -A $CHAINIPALLOWUDP -j $CHAINMAININTINTERUDPDHCP" &
for INTER in "${internInterfaceHaveAccessAsLocal[@]}"; do
insert_rules_begin_interfaces $INTER && insert_rules_accept_trafic_local_interface $INTER & pidsInt+=($!)
if [ -v interfaceWithDHCP["$INTER"] ] && [ "${interfaceWithDHCP[$INTER]}" -eq 1 ]; then
IFS=';' read -r -a INTERC <<< $INTER
interfaceDHCP[${INTERC[0]}]=1
fi
done
for INTER in ${INTEROut[@]} ${interfaceLocal[@]}; do
insert_rules_begin_interfaces $INTER && insert_rules_accept_trafic_local_out_interface $INTER & pidsInt+=($!)
if [ -v interfaceWithDHCP["$INTER"] ] && [ "${interfaceWithDHCP[$INTER]}" -eq 1 ]; then
IFS=';' read -r -a INTERC <<< $INTER
interfaceDHCP[${INTERC[0]}]=1
fi
done
for INTER in ${interfaceWithNoRules[@]}; do
insert_rules_begin_interfaces $INTER & pidsInt+=($!)
insert_rules_forward_interface $INTER & pidsToWaitForLinkFowardRules+=($!)
if [ -v interfaceWithDHCP["$INTER"] ] && [ "${interfaceWithDHCP[$INTER]}" -eq 1 ]; then
IFS=';' read -r -a INTERC <<< $INTER
interfaceDHCP[${INTERC[0]}]=1
fi
done
local NETWORK
echo "wait pidsD"
wait "${pidsD[@]}"
insert_rules_docker_network_internal_access_open_container ${dockerAccessBetweenThem[@]} &
for NETWORK in ${dockerNetworkWithInternetAccess[@]}; do
insert_rules_nat_forward_docker_interface_out ${NETWORK} &
done
insert_set_ip_docker_net ${dockerNetworkWithInternetAccess[@]} ${dockerNetworkWithAccess[@]} &
insert_network_docker_forward_link ${dockerNetworkWithInternetAccess[@]} ${dockerNetworkWithAccess[@]} &
for NETWORK in ${dockerNetworkWithAccess[@]}; do
sleep 0.01 && insert_rules_docker_network_host_access ${NETWORK} & pidsIntm+=($!)
done
# On configure les ouvertures de ports + redirection des ports
# insert_rules_list_redirections "-AI NAT" "-AI FILTER" "-m ipv4" "-m ipv6" "-j FILTER" "tcp/udp" ARRAY
# insert_rules_list_dnat "-AI" "-m ipv4" "-m ipv6" "tcp/udp" ARRAY
# insert_rules_list_docker "-AI" "-m ipv4" "-m ipv6" "tcp/udp" ARRAY
# TCP
insert_rules_list_ports "-t filter" "-A $CHAINOPENLOCALPORTTCP" "" "" "-j ACCEPT" "tcp" "${localOpenPortsTCP[@]}" && \
insert_rules "-t nat -A ${CHAINOPENLOCALPORTTCP} -m conntrack ! --ctstate ESTABLISHED,RELATED -j ${CHAINOPENLOCALPORTTCP}-logs" && \
insert_rules_list_redirections "-A $CHAINOPENLOCALPORTTCP" "-A $CHAINOPENLOCALPORTTCP" "" "" "-j ACCEPT" "tcp" "${localRedirectPortTCP[@]}" && \
insert_rules_list_dnat "-A $CHAINOPENLOCALPORTTCP" "" "" "tcp" "${localDnatPortTCP[@]}" && \
insert_rules_list_docker "-A $CHAINOPENLOCALPORTTCP" "" "" "tcp" "${localDockerTCP[@]}" && \
insert_rules_list_ports "-t filter" "-A $CHAINOPENLOCALPORTTCP" "" "" "-j ACCEPT" "tcp" "${openPortTCP[@]}" && \
insert_rules_list_redirections "-A $CHAINOPENLOCALPORTTCP" "-A $CHAINOPENLOCALPORTTCP" "" "" "-j ACCEPT" "tcp" "${redirectPortTCP[@]}" && \
insert_rules_list_dnat "-A $CHAINOPENLOCALPORTTCP" "" "" "tcp" "${dnatPortTCP[@]}" && \
insert_rules_list_docker "-A $CHAINOPENLOCALPORTTCP" "" "" "tcp" "${openDockerTCP[@]}" && \
insert_rules_list_ports "-t filter" "-A $CHAINOPENLOCALPORTTCP" "" "" "-j ACCEPT" "tcp" "${WWopenPortTCP[@]}" && \
insert_rules_list_redirections "-A $CHAINOPENLOCALPORTTCP" "-A $CHAINOPENLOCALPORTTCP" "" "" "-j ACCEPT" "tcp" "${WWredirectPortTCP[@]}" && \
insert_rules_list_dnat "-A $CHAINOPENLOCALPORTTCP" "" "" "tcp" "${WWdnatPortTCP[@]}" && \
insert_rules_list_docker "-A $CHAINOPENLOCALPORTTCP" "" "" "tcp" "${WWDockerTCP[@]}" && \
insert_rules_quietly "-t nat -A $CHAINOPENLOCALPORTTCP -j DOCKER" && \
insert_rules "-A $CHAINOPENLOCALPORTTCP -j $CHAINPORTSENTRYOPENTCP" && \
insert_rules "-A $CHAINOPENLOCALPORTTCP -j $CHAINDROPLOG" &
insert_rules_list_ports "-t filter" "-A $CHAINOPENCRPORTTCP" "" "" "-j ACCEPT" "tcp" "${openPortTCP[@]}" && \
insert_rules "-t nat -A ${CHAINOPENCRPORTTCP} -m conntrack ! --ctstate ESTABLISHED,RELATED -j ${CHAINOPENCRPORTTCP}-logs" && \
insert_rules_list_redirections "-A $CHAINOPENCRPORTTCP" "-A $CHAINOPENCRPORTTCP" "" "" "-j ACCEPT" "tcp" "${redirectPortTCP[@]}" && \
insert_rules_list_dnat "-A $CHAINOPENCRPORTTCP" "" "" "tcp" "${dnatPortTCP[@]}" && \
insert_rules_list_docker "-A $CHAINOPENCRPORTTCP" "" "" "tcp" "${openDockerTCP[@]}" && \
insert_rules_list_ports "-t filter" "-A $CHAINOPENCRPORTTCP" "" "" "-j ACCEPT" "tcp" "${WWopenPortTCP[@]}" && \
insert_rules_list_redirections "-A $CHAINOPENCRPORTTCP" "-A $CHAINOPENCRPORTTCP" "" "" "-j ACCEPT" "tcp" "${WWredirectPortTCP[@]}" && \
insert_rules_list_dnat "-A $CHAINOPENCRPORTTCP" "" "" "tcp" "${WWdnatPortTCP[@]}" && \
insert_rules_list_docker "-A $CHAINOPENCRPORTTCP" "" "" "tcp" "${WWDockerTCP[@]}" && \
insert_rules_quietly "-t nat -A $CHAINOPENCRPORTTCP -j DOCKER" && \
insert_rules "-A $CHAINOPENCRPORTTCP -j $CHAINPORTSENTRYOPENTCP" && \
insert_rules "-A $CHAINOPENCRPORTTCP -j $CHAINDROPLOG" &
# On met en place les autorisations pour les interfaces de l'exterieur. J'ai aussi mon ouverture de PLEX (A desactiver au besoin) (A ameliorer au besoin avec une fonction... Sauf qu'il va finir en container soon)
# Open plex ports https://s3-eu-west-1.amazonaws.com/plex-sidekiq-servers-list/sidekiqIPs.txt
insert_rules_list_ports "-t filter" "-A $CHAINOPENWWPORTTCP" "" "" "-j ACCEPT" "tcp" "${WWopenPortTCP[@]}" && \
insert_rules "-t nat -A ${CHAINOPENWWPORTTCP} -m conntrack ! --ctstate ESTABLISHED,RELATED -j ${CHAINOPENWWPORTTCP}-logs" && \
insert_rules_list_redirections "-A $CHAINOPENWWPORTTCP" "-A $CHAINOPENWWPORTTCP" "" "" "-j ACCEPT" "tcp" "${WWredirectPortTCP[@]}" && \
insert_rules_list_dnat "-A $CHAINOPENWWPORTTCP" "" "" "tcp" "${WWdnatPortTCP[@]}" && \
insert_rules_list_docker "-A $CHAINOPENWWPORTTCP" "" "" "tcp" "${WWDockerTCP[@]}" && \
insert_rules_quietly "-t nat -A $CHAINOPENWWPORTTCP -j DOCKER" && \
insert_rules "-A $CHAINOPENWWPORTTCP -j $CHAINPORTSENTRYOPENTCP" && \
insert_rules "-A $CHAINOPENWWPORTTCP -j $CHAINDROPLOG" &
# On oublie pas de Forward les redirections
insert_docker_inter_forward_main ${IPAutorDockerTCP[@]} ${internalDockerTCP[@]} ${localDockerTCP[@]} ${openDockerTCP[@]} ${WWDockerTCP[@]} && \
insert_rules_list_docker_forward "tcp" "${IPAutorDockerTCP[@]}" && \
insert_rules_list_docker_forward "tcp" "${internalDockerTCP[@]}" && \
insert_rules_list_docker_forward "tcp" "${localDockerTCP[@]}" && \
insert_rules_list_docker_forward "tcp" "${openDockerTCP[@]}" && \
insert_rules_list_docker_forward "tcp" "${WWDockerTCP[@]}" & pidsInt+=($!)
insert_dnat_inter_forward_main ${IPAutorDnatPortTCP[@]} ${internalDnatPortTCP[@]} ${localDnatPortTCP[@]} ${dnatPortTCP[@]} ${WWdnatPortTCP[@]} && \
insert_rules_list_dnat_forward "tcp" "${IPAutorDnatPortTCP[@]}" && \
insert_rules_list_dnat_forward "tcp" "${internalDnatPortTCP[@]}" && \
insert_rules_list_dnat_forward "tcp" "${localDnatPortTCP[@]}" && \
insert_rules_list_dnat_forward "tcp" "${dnatPortTCP[@]}" && \
insert_rules_list_dnat_forward "tcp" "${WWdnatPortTCP[@]}" & pidsInt+=($!)
# UDP
insert_rules_list_ports "-t filter" "-A $CHAINOPENLOCALPORTUDP" "" "" "-j ACCEPT" "udp" "${localOpenPortsUDP[@]}" && \
insert_rules "-t nat -A ${CHAINOPENLOCALPORTUDP} -m conntrack ! --ctstate ESTABLISHED,RELATED -j ${CHAINOPENLOCALPORTUDP}-logs" && \
insert_rules_list_redirections "-A $CHAINOPENLOCALPORTUDP" "-A $CHAINOPENLOCALPORTUDP" "" "" "-j ACCEPT" "udp" "${localRedirectPortUDP[@]}" && \
insert_rules_list_dnat "-A $CHAINOPENLOCALPORTUDP" "" "" "udp" "${localDnatPortUDP[@]}" && \
insert_rules_list_docker "-A $CHAINOPENLOCALPORTUDP" "" "" "udp" "${localDockerUDP[@]}" && \
insert_rules_list_ports "-t filter" "-A $CHAINOPENLOCALPORTUDP" "" "" "-j ACCEPT" "udp" "${openPortUDP[@]}" && \
insert_rules_list_redirections "-A $CHAINOPENLOCALPORTUDP" "-A $CHAINOPENLOCALPORTUDP" "" "" "-j ACCEPT" "udp" "${redirectPortUDP[@]}" && \
insert_rules_list_dnat "-A $CHAINOPENLOCALPORTUDP" "" "" "udp" "${dnatPortUDP[@]}" && \
insert_rules_list_docker "-A $CHAINOPENLOCALPORTUDP" "" "" "udp" "${openDockerUDP[@]}" && \
insert_rules_list_ports "-t filter" "-A $CHAINOPENLOCALPORTUDP" "" "" "-j ACCEPT" "udp" "${WWopenPortUDP[@]}" && \
insert_rules_list_redirections "-A $CHAINOPENLOCALPORTUDP" "-A $CHAINOPENLOCALPORTUDP" "" "" "-j ACCEPT" "udp" "${WWredirectPortUDP[@]}" && \
insert_rules_list_dnat "-A $CHAINOPENLOCALPORTUDP" "" "" "udp" "${WWdnatPortUDP[@]}" && \
insert_rules_list_docker "-A $CHAINOPENLOCALPORTUDP" "" "" "udp" "${WWDockerUDP[@]}" && \
insert_rules_quietly "-t nat -A $CHAINOPENLOCALPORTUDP -j DOCKER" && \
insert_rules "-A $CHAINOPENLOCALPORTUDP -j $CHAINPORTSENTRYOPENUDP" && \
insert_rules "-A $CHAINOPENLOCALPORTUDP -j $CHAINDROPLOG" &
insert_rules_list_ports "-t filter" "-A $CHAINOPENLOCALPORTUDPDHCP" "" "" "-j ACCEPT" "udp" "${localOpenPortsUDP[@]}" && \
insert_rules "-t nat -A ${CHAINOPENLOCALPORTUDPDHCP} -m conntrack ! --ctstate ESTABLISHED,RELATED -j ${CHAINOPENLOCALPORTUDPDHCP}-logs" && \
insert_rules_list_redirections "-A $CHAINOPENLOCALPORTUDPDHCP" "-A $CHAINOPENLOCALPORTUDPDHCP" "" "" "-j ACCEPT" "udp" "${localRedirectPortUDP[@]}" && \
insert_rules_list_dnat "-A $CHAINOPENLOCALPORTUDPDHCP" "" "" "udp" "${localDnatPortUDP[@]}" && \
insert_rules_list_docker "-A $CHAINOPENLOCALPORTUDPDHCP" "" "" "udp" "${localDockerUDP[@]}" && \
insert_rules_list_ports "-t filter" "-A $CHAINOPENLOCALPORTUDPDHCP" "" "" "-j ACCEPT" "udp" "${openPortUDP[@]}" && \
insert_rules_list_redirections "-A $CHAINOPENLOCALPORTUDPDHCP" "-A $CHAINOPENLOCALPORTUDPDHCP" "" "" "-j ACCEPT" "udp" "${redirectPortUDP[@]}" && \
insert_rules_list_dnat "-A $CHAINOPENLOCALPORTUDPDHCP" "" "" "udp" "${dnatPortUDP[@]}" && \
insert_rules_list_docker "-A $CHAINOPENLOCALPORTUDPDHCP" "" "" "udp" "${openDockerUDP[@]}" && \
insert_rules_list_ports "-t filter" "-A $CHAINOPENLOCALPORTUDPDHCP" "" "" "-j ACCEPT" "udp" "${WWopenPortUDP[@]}" && \
insert_rules_list_redirections "-A $CHAINOPENLOCALPORTUDPDHCP" "-A $CHAINOPENLOCALPORTUDPDHCP" "" "" "-j ACCEPT" "udp" "${WWredirectPortUDP[@]}" && \
insert_rules_list_dnat "-A $CHAINOPENLOCALPORTUDPDHCP" "" "" "udp" "${WWdnatPortUDP[@]}" && \
insert_rules_list_docker "-A $CHAINOPENLOCALPORTUDPDHCP" "" "" "udp" "${WWDockerUDP[@]}" && \
insert_rules_quietly "-t nat -A $CHAINOPENLOCALPORTUDPDHCP -j DOCKER" && \
insert_rules "-A $CHAINOPENLOCALPORTUDPDHCP -j $CHAINPORTSENTRYOPENUDP" && \
$IPT -A $CHAINOPENLOCALPORTUDPDHCP -p udp --sport 68 -m addrtype --dst-type local --dport 67 -j ACCEPT && \
$IPT6 -A $CHAINOPENLOCALPORTUDPDHCP -p udp -m addrtype --dst-type MULTICAST --sport 546 --dport 547 -m set --match-set ${IPSLOCALS}6_80 src -j ACCEPT && \
insert_rules "-A $CHAINOPENLOCALPORTUDPDHCP -j $CHAINDROPLOG" &
insert_rules_list_ports "-t filter" "-A $CHAINOPENCRPORTUDP" "" "" "-j ACCEPT" "udp" "${openPortUDP[@]}" && \
insert_rules "-t nat -A ${CHAINOPENCRPORTUDP} -m conntrack ! --ctstate ESTABLISHED,RELATED -j ${CHAINOPENCRPORTUDP}-logs" && \
insert_rules_list_redirections "-A $CHAINOPENCRPORTUDP" "-A $CHAINOPENCRPORTUDP" "" "" "-j ACCEPT" "udp" "${redirectPortUDP[@]}" && \
insert_rules_list_dnat "-A $CHAINOPENCRPORTUDP" "" "" "udp" "${dnatPortUDP[@]}" && \
insert_rules_list_docker "-A $CHAINOPENCRPORTUDP" "" "" "udp" "${openDockerUDP[@]}" && \
insert_rules_list_ports "-t filter" "-A $CHAINOPENCRPORTUDP" "" "" "-j ACCEPT" "udp" "${WWopenPortUDP[@]}" && \
insert_rules_list_redirections "-A $CHAINOPENCRPORTUDP" "-A $CHAINOPENCRPORTUDP" "" "" "-j ACCEPT" "udp" "${WWredirectPortUDP[@]}" && \
insert_rules_list_dnat "-A $CHAINOPENCRPORTUDP" "" "" "udp" "${WWdnatPortUDP[@]}" && \
insert_rules_list_docker "-A $CHAINOPENCRPORTUDP" "" "" "udp" "${WWDockerUDP[@]}" && \
insert_rules_quietly "-t nat -A $CHAINOPENCRPORTUDP -j DOCKER" && \
insert_rules "-A $CHAINOPENCRPORTUDP -j $CHAINPORTSENTRYOPENUDP" && \
insert_rules "-A $CHAINOPENCRPORTUDP -j $CHAINDROPLOG" &
insert_rules_list_ports "-t filter" "-A $CHAINOPENWWPORTUDP" "" "" "-j ACCEPT" "udp" "${WWopenPortUDP[@]}" && \
insert_rules "-t nat -A ${CHAINOPENWWPORTUDP} -m conntrack ! --ctstate ESTABLISHED,RELATED -j ${CHAINOPENWWPORTUDP}-logs" && \
insert_rules_list_redirections "-A $CHAINOPENWWPORTUDP" "-A $CHAINOPENWWPORTUDP" "" "" "-j ACCEPT" "udp" "${WWredirectPortUDP[@]}" && \
insert_rules_list_dnat "-A $CHAINOPENWWPORTUDP" "" "" "udp" "${WWdnatPortUDP[@]}" && \
insert_rules_list_docker "-A $CHAINOPENWWPORTUDP" "" "" "udp" "${WWDockerUDP[@]}" && \
insert_rules_quietly "-t nat -A $CHAINOPENWWPORTUDP -j DOCKER" && \
insert_rules "-A $CHAINOPENWWPORTUDP -j $CHAINPORTSENTRYOPENUDP" && \
insert_rules "-A $CHAINOPENWWPORTUDP -j $CHAINDROPLOG" &
# On oublie pas de Forward les redirections
insert_docker_inter_forward_main ${IPAutorDockerUDP[@]} ${internalDockerUDP[@]} ${localDockerUDP[@]} ${openDockerUDP[@]} ${WWDockerUDP[@]}
insert_rules_list_docker_forward "udp" "${IPAutorDockerUDP[@]}" && \
insert_rules_list_docker_forward "udp" "${internalDockerUDP[@]}" && \
insert_rules_list_docker_forward "udp" "${localDockerUDP[@]}" && \
insert_rules_list_docker_forward "udp" "${openDockerUDP[@]}" && \
insert_rules_list_docker_forward "udp" "${WWDockerUDP[@]}" & pidsInt+=($!)
insert_dnat_inter_forward_main ${IPAutorDnatPortUDP[@]} ${internalDnatPortUDP[@]} ${localDnatPortUDP[@]} ${dnatPortUDP[@]} ${WWdnatPortUDP[@]} && \
insert_rules_list_dnat_forward "udp" "${IPAutorDnatPortUDP[@]}" && \
insert_rules_list_dnat_forward "udp" "${internalDnatPortUDP[@]}" && \
insert_rules_list_dnat_forward "udp" "${localDnatPortUDP[@]}" && \
insert_rules_list_dnat_forward "udp" "${dnatPortUDP[@]}" && \
insert_rules_list_dnat_forward "udp" "${WWdnatPortUDP[@]}" & pidsInt+=($!)
# INSERT RULES INTERNAL interfaces
insert_rules_list_ports "-t filter" "-A $CHAINMAININTINTERTCP" "" "" "-j ACCEPT" "tcp" "${internalOpenPortsTCP[@]}" && \
insert_rules "-t nat -A ${CHAINMAININTINTERTCP} -m conntrack ! --ctstate ESTABLISHED,RELATED -j ${CHAINMAININTINTERTCP}-logs" && \
insert_rules_list_redirections "-A $CHAINMAININTINTERTCP" "-A $CHAINMAININTINTERTCP" "" "" "-j ACCEPT" "tcp" "${internalRedirectPortTCP[@]}" && \
insert_rules_list_dnat "-A $CHAINMAININTINTERTCP" "" "" "tcp" "${internalDnatPortTCP[@]}" && \
insert_rules_list_docker "-A $CHAINMAININTINTERTCP" "" "" "tcp" "${internalDockerTCP[@]}" && \
insert_rules "-A $CHAINMAININTINTERTCP -j $CHAINOPENLOCALPORTTCP" && \
insert_rules "-t nat -A $CHAINMAININTINTERTCP -j $CHAINOPENLOCALPORTTCP" &
insert_rules_list_ports "-t filter" "-A $CHAINMAININTINTERUDP" "" "" "-j ACCEPT" "udp" "${internalOpenPortsUDP[@]}" && \
insert_rules "-t nat -A ${CHAINMAININTINTERUDP} -m conntrack ! --ctstate ESTABLISHED,RELATED -j ${CHAINMAININTINTERUDP}-logs" && \
insert_rules_list_redirections "-A $CHAINMAININTINTERUDP" "-A $CHAINMAININTINTERUDP" "" "" "-j ACCEPT" "udp" "${internalRedirectPortUDP[@]}" && \
insert_rules_list_dnat "-A $CHAINMAININTINTERUDP" "" "" "udp" "${internalDnatPortUDP[@]}" && \
insert_rules_list_docker "-A $CHAINMAININTINTERUDP" "" "" "udp" "${internalDockerUDP[@]}" && \
insert_rules "-A $CHAINMAININTINTERUDP -j $CHAINOPENLOCALPORTUDP" && \
insert_rules "-t nat -A $CHAINMAININTINTERUDP -j $CHAINOPENLOCALPORTUDP" &
insert_rules_list_ports "-t filter" "-A $CHAINMAININTINTERUDPDHCP" "" "" "-j ACCEPT" "udp" "${internalOpenPortsUDP[@]}" && \
insert_rules "-t nat -A ${CHAINMAININTINTERUDPDHCP} -m conntrack ! --ctstate ESTABLISHED,RELATED -j ${CHAINMAININTINTERUDPDHCP}-logs" && \
insert_rules_list_redirections "-A $CHAINMAININTINTERUDPDHCP" "-A $CHAINMAININTINTERUDPDHCP" "" "" "-j ACCEPT" "udp" "${internalRedirectPortUDP[@]}" && \
insert_rules_list_dnat "-A $CHAINMAININTINTERUDPDHCP" "" "" "udp" "${internalDnatPortUDP[@]}" && \
insert_rules_list_docker "-A $CHAINMAININTINTERUDPDHCP" "" "" "udp" "${internalDockerUDP[@]}" && \
insert_rules "-A $CHAINMAININTINTERUDPDHCP -j $CHAINOPENLOCALPORTUDPDHCP" && \
insert_rules "-t nat -A $CHAINMAININTINTERUDPDHCP -j $CHAINOPENLOCALPORTUDPDHCP" &
insert_rules_with_test_ok_ipv4 "-A $CHAINMAININTINTERICMP -m set --match-set $IPSLISTBADIP src -j DROP" "" && \
$IPT -A $CHAINMAININTINTERICMP -j ACCEPT &
insert_rules_with_test_ok_ipv6 "-A $CHAINMAININTINTERICMP -p icmpv6 --icmpv6-type echo-request -m set --match-set ${IPSLISTBADIP}6 src -j DROP" "" && \
$IPT6 -A $CHAINMAININTINTERICMP -p ipv6-icmp -j ACCEPT &
# Create subs rules outside network
$IPT -A $CHAINMAINOUTINTERCR -p icmp -g $CHAINMAINOUTINTERICMP && \
$IPT6 -A $CHAINMAINOUTINTERCR -p ipv6-icmp -g $CHAINMAINOUTINTERICMP && \
insert_rules "-A $CHAINMAINOUTINTERCR -j $CHAINMAINOUTINTERDROPBADIPSRC" && \
insert_rules "-A $CHAINMAINOUTINTERCR -p tcp -g $CHAINOPENCRPORTTCP" && \
insert_rules "-A $CHAINMAINOUTINTERCR -p udp -g $CHAINOPENCRPORTUDP" &
insert_rules_with_test_ok_ipv4 "-t nat -A $CHAINMAINOUTINTERCR -m set --match-set $IPSLISTBADIP src -j RETURN" "" && \
insert_rules_quietly_v4 "-t nat -A $CHAINMAINOUTINTERCR -m set --match-set crowdsec-blacklists src -j RETURN" && \
insert_crowdsec_list_rules "-t nat -A $CHAINMAINOUTINTERCR" "src -j RETURN" && \
insert_rules_with_test_ok_ipv6 "-t nat -A $CHAINMAINOUTINTERCR -m set --match-set ${IPSLISTBADIP}6 src -j RETURN" "" && \
insert_rules_quietly_v6 "-t nat -A $CHAINMAINOUTINTERCR -m set --match-set crowdsec6-blacklists src -j RETURN" "" && \
insert_crowdsec6_list_rules "-t nat -A $CHAINMAINOUTINTERCR" "src -j RETURN" && \
insert_rules "-t nat -A $CHAINMAINOUTINTERCR -p tcp -g $CHAINOPENCRPORTTCP" && \
insert_rules "-t nat -A $CHAINMAINOUTINTERCR -p udp -g $CHAINOPENCRPORTUDP" &
$IPT -A $CHAINMAINOUTINTERWW -p icmp -g $CHAINMAINOUTINTERICMP && \
$IPT6 -A $CHAINMAINOUTINTERWW -p ipv6-icmp -g $CHAINMAINOUTINTERICMP && \
insert_rules "-A $CHAINMAINOUTINTERWW -j $CHAINMAINOUTINTERDROPBADIPSRC" && \
insert_rules "-A $CHAINMAINOUTINTERWW -p tcp -g $CHAINOPENWWPORTTCP" && \
insert_rules "-A $CHAINMAINOUTINTERWW -p udp -g $CHAINOPENWWPORTUDP" &
insert_rules_with_test_ok_ipv4 "-t nat -A $CHAINMAINOUTINTERWW -m set --match-set $IPSLISTBADIP src -j RETURN" "" && \
insert_rules_quietly_v4 "-t nat -A $CHAINMAINOUTINTERWW -m set --match-set crowdsec-blacklists src -j RETURN" && \
insert_crowdsec_list_rules "-t nat -A $CHAINMAINOUTINTERWW" "src -j RETURN" && \
insert_rules_with_test_ok_ipv6 "-t nat -A $CHAINMAINOUTINTERWW -m set --match-set ${IPSLISTBADIP}6 src -j RETURN" "" && \
insert_rules_quietly_v6 "-t nat -A $CHAINMAINOUTINTERWW -m set --match-set crowdsec6-blacklists src -j RETURN" "" && \
insert_crowdsec6_list_rules "-t nat -A $CHAINMAINOUTINTERWW" "src -j RETURN" && \
insert_rules "-t nat -A $CHAINMAINOUTINTERWW -p tcp -g $CHAINOPENWWPORTTCP" && \
insert_rules "-t nat -A $CHAINMAINOUTINTERWW -p udp -g $CHAINOPENWWPORTUDP" &
# On prepare les règles ICMP aussi
insert_rules_with_test_ok_ipv4 "-A $CHAINMAINOUTINTERICMP -m geoip --src-cc $blockedCountry -j DROP" "" && \
insert_rules_with_test_ok_ipv4 "-A $CHAINMAINOUTINTERICMP -m geoip --src-cc $blockedCountry2 -j DROP" "" && \
$IPT -A $CHAINMAINOUTINTERICMP -j $CHAINMAINOUTINTERDROPBADIPSRC && \
$IPT -A $CHAINMAINOUTINTERICMP -j ACCEPT &
insert_rules_with_test_ok_ipv6 "-A $CHAINMAINOUTINTERICMP -p icmpv6 --icmpv6-type echo-request -m geoip --src-cc $blockedCountry -j DROP" "" && \
insert_rules_with_test_ok_ipv6 "-A $CHAINMAINOUTINTERICMP -p icmpv6 --icmpv6-type echo-request -m geoip --src-cc $blockedCountry2 -j DROP" "" && \
$IPT6 -A $CHAINMAINOUTINTERICMP -p icmpv6 --icmpv6-type echo-request -j $CHAINMAINOUTINTERDROPBADIPSRC && \
$IPT6 -A $CHAINMAINOUTINTERICMP -j ACCEPT &
#-j LOG --log-prefix [iptables-portsentry]:
insert_rules "-A $CHAINPORTSENTRYLOG -m conntrack ! --ctstate ESTABLISHED,RELATED -j NFLOG --nflog-threshold 3 --nflog-group 61" && \
$IPT -A $CHAINPORTSENTRYLOG -j ACCEPT && \
$IPT6 -A $CHAINPORTSENTRYLOG -j DROP &
insert_rules "-A $CHAINDROPCAST -m addrtype --dst-type MULTICAST -j DROP" &
insert_rules "-A $CHAINDROPCAST -m addrtype --src-type MULTICAST -j DROP" &
insert_rules_quietly "-A $CHAINDROPCAST -m addrtype --dst-type BROADCAST -j DROP" &
insert_rules_quietly "-A $CHAINDROPCAST -m addrtype --src-type BROADCAST -j DROP" &
insert_rules "-A $CHAINDROPLOGSELECTOR -j $CHAINDROPCAST" && \
insert_rules "-A $CHAINDROPLOGSELECTOR -j $CHAINDROPLOGWITHOUTSELECTOR" &
#-j LOG --log-prefix [iptables-trash]: --log-level 7 --log-uid
insert_rules "-A $CHAINDROPLOGWITHOUTSELECTOR -j NFLOG --nflog-threshold 10 --nflog-group 60" && \
insert_rules "-A $CHAINDROPLOGWITHOUTSELECTOR -j DROP" &
insert_rules "-A $CHAINDROPLOG -m conntrack ! --ctstate ESTABLISHED,RELATED -g $CHAINDROPLOGSELECTOR" && \
insert_rules "-A $CHAINDROPLOG -j DROP" &
# Nous souhaitons log le trafic sortant vers des IPs problématiques # -m state --state NEW
insert_rules "-A $CHAINOUTTRAFIC -j $CHAINMAINOUTINTERLOGBADIPDST" && \
$IPT -A $CHAINOUTTRAFIC -m set --match-set ${IPSDOH} dst -g $CHAINDROPLOGWITHOUTSELECTOR && \
$IPT6 -A $CHAINOUTTRAFIC -m set --match-set ${IPSDOH}6 dst -g $CHAINDROPLOGWITHOUTSELECTOR && \
insert_rules "-A $CHAINOUTTRAFIC -m conntrack --ctstate NEW,ESTABLISHED,RELATED -j ACCEPT" &
# Le plus simple est de faire l'appel avec une selection de tout ce qui est commun sur les DHCP
# "-p udp -s 0.0.0.0 --sport 68 --dport 67"
# Après ce n'est que la formalité de la destination
$IPT -A $CHAINOPENDHCP -p udp -d 255.255.255.255 -j ACCEPT &
$IPT -A $CHAINOPENDHCP -p udp -m addrtype --dst-type local -j ACCEPT &
# On souhaite choisir quand ouvrir et fermer les ports de portsentry et son ultimate ban
read -a portSentryTCP <<< `grep -m 1 "^TCP_PORTS" /etc/portsentry/portsentry.conf | sed 's/TCP_PORTS=//' | sed 's/"//g' | tr ',' ' '`
read -a portSentryUDP <<< `grep -m 1 "^UDP_PORTS" /etc/portsentry/portsentry.conf | sed 's/UDP_PORTS=//' | sed 's/"//g' | tr ',' ' '`
insert_rules_list_ports "-t filter" "-A $CHAINPORTSENTRYOPENTCP" "" "" "-j $CHAINPORTSENTRYLOG" "tcp" "${portSentryTCP[@]}" &
insert_rules_list_ports "-t filter" "-A $CHAINPORTSENTRYCLOSETCP" "" "" "-j DROP" "tcp" "${portSentryTCP[@]}" &
insert_rules_list_ports "-t filter" "-A $CHAINPORTSENTRYOPENUDP" "" "" "-j $CHAINPORTSENTRYLOG" "udp" "${portSentryUDP[@]}" &
insert_rules_list_ports "-t filter" "-A $CHAINPORTSENTRYCLOSEUDP" "" "" "-j DROP" "udp" "${portSentryUDP[@]}" &
local dnatPORT
local dnatPORTC
declare -A interfaceOK=()
echo "wait pidsInt"
wait "${pidsInt[@]}"
for INTER in "${INTEROut[@]}"; do
IFS=';' read -r -a INTERC <<< $INTER
if [ ! -v interfaceOK[${INTERC[0]}] ]; then
interfaceOK[${INTERC[0]}]=0
insert_rules_accept_trafic_out_interface ${INTERC[0]} && insert_rules_end_interfaces ${INTERC[0]} & pidsIntm+=($!)
fi
done
for INTER in ${internInterfaceHaveAccessAsLocal[@]} ${interfaceWithNoRules[@]} ${interfaceLocal[@]}; do
IFS=';' read -r -a INTERC <<< $INTER
if [ ! -v interfaceOK[${INTERC[0]}] ]; then
interfaceOK[${INTERC[0]}]=0
insert_rules_end_interfaces ${INTERC[0]} & pidsIntm+=($!)
fi
done
declare -A interfaceOKForwardIsolated=()
echo "wait pidsToWaitForLinkFowardRules"
wait "${pidsToWaitForLinkFowardRules[@]}"
insert_rules_forward_interface_link ${interfaceToGoOutSide[@]} ${interfaceWithNoRules[@]} &
echo "wait pidsIntm"
wait "${pidsIntm[@]}"
/bin/bash /etc/firewall/firewall.rules.special
$IPT6 -C ${CHAINFORWARDTRAFIC}-from-${mainInter} -m conntrack --ctstate ESTABLISHED,RELATED -j RETURN 2> /dev/null || $IPT6 -A ${CHAINFORWARDTRAFIC}-from-${mainInter} -m conntrack --ctstate ESTABLISHED,RELATED -j RETURN 2> /dev/null &
$IPT -C ${CHAINFORWARDTRAFIC}-from-${mainInter} -m conntrack --ctstate ESTABLISHED,RELATED -j RETURN 2> /dev/null || $IPT -A ${CHAINFORWARDTRAFIC}-from-${mainInter} -m conntrack --ctstate ESTABLISHED,RELATED -j RETURN 2> /dev/null
# En toute fin, on ajoute le liens vers le docker. Nous pouvons ainsi valider que nos connexions sont bonnes.
insert_rules "-A INPUT -j $CHAINDROPLOG" &
# insert_rules_quietly "-t nat -A $CHAINPATMAIN -j DOCKER" &
for INTER in ${interfaceToGoOutSide[@]} ${interfaceWithNoRules[@]}; do
IFS=';' read -r -a INTERC <<< $INTER
if [ ! -v interfaceOKForwardIsolated[${INTERC[0]}] ]; then
interfaceOKForwardIsolated[${INTERC[0]}]=0
# On souhaite que ces interfaces qui ont un acces externe puissent être isolées les une des autres par default
insert_rules "-A ${CHAINFORWARDTRAFIC}-from-${INTERC[0]} -m conntrack ! --ctstate DNAT -j DROP" &
insert_rules "-A ${CHAINFORWARDTRAFIC}-to-${INTERC[0]} -j DROP" &
fi
done
for dnatPORT in ${IPAutorDnatPortTCP[@]} ${IPAutorDnatPortUDP[@]} ${internalDnatPortTCP[@]} ${internalDnatPortUDP[@]} ${localDnatPortTCP[@]} ${localDnatPortUDP[@]} ${dnatPortTCP[@]} ${dnatPortUDP[@]} ${WWdnatPortTCP[@]} ${WWdnatPortUDP[@]}; do
IFS=',' read -r -a dnatPORTC <<< $dnatPORT
if [ ! -v interfaceOKForwardIsolated[${dnatPORTC[1]}] ]; then
interfaceOKForwardIsolated[${dnatPORTC[1]}]=0
# On souhaite que ces interfaces qui ont un acces externe puissent être isolées les une des autres par default
insert_rules "-A ${CHAINFORWARDTRAFIC}-from-${dnatPORTC[1]} -m conntrack ! --ctstate DNAT -j DROP" &
insert_rules "-A ${CHAINFORWARDTRAFIC}-to-${dnatPORTC[1]} -j DROP" &
fi
done
for NETWORK in ${dockerNetworkWithInternetAccess[@]} ${dockerNetworkWithAccess[@]}; do
local NetworkInterface=$(get_bridge_name_docker_network "$NETWORK")
if [ -n "${NetworkInterface}" ]; then
if [ ! -v interfaceOKForwardIsolated[${NetworkInterface}] ]; then
$IPT -C ${CHAINFORWARDTRAFIC}-from-${NetworkInterface} -m conntrack ! --ctstate DNAT -j DROP 2> /dev/null || $IPT -A ${CHAINFORWARDTRAFIC}-from-${NetworkInterface} -m conntrack ! --ctstate DNAT -j DROP &
$IPT6 -C ${CHAINFORWARDTRAFIC}-from-${NetworkInterface} -m conntrack ! --ctstate DNAT -j DROP 2> /dev/null || $IPT6 -A ${CHAINFORWARDTRAFIC}-from-${NetworkInterface} -m conntrack ! --ctstate DNAT -j DROP &
$IPT -C ${CHAINFORWARDTRAFIC}-to-${NetworkInterface} -j DROP 2> /dev/null || $IPT -A ${CHAINFORWARDTRAFIC}-to-${NetworkInterface} -j DROP &
$IPT6 -C ${CHAINFORWARDTRAFIC}-to-${NetworkInterface} -j DROP 2> /dev/null || $IPT6 -A ${CHAINFORWARDTRAFIC}-to-${NetworkInterface} -j DROP &
interfaceOKForwardIsolated[${NetworkInterface}]=0
fi
fi
done
wait
return 0
}
insert_rules() # You can use it to remove rules too
{
local cmd_args=$1 # -t nat -I ? -m ? -j ?
local pid1
local pid2
$IPT $cmd_args & pid1=$!
$IPT6 $cmd_args & pid2=$!
wait $pid1 || echo "Bugged v4 $cmd_args"
wait $pid2 || echo "Bugged v6 $cmd_args"
return 0
}
insert_rules_quietly() # You can use it to remove rules too
{
local cmd_args=$1 # -t nat -I ? -m ? -j ?
local pid1
local pid2
$IPT $cmd_args 2> /dev/null & pid1=$!
$IPT6 $cmd_args 2> /dev/null & pid2=$!
wait $pid1
wait $pid2
return 0
}
#
# Function that remove chain
#
remove_chain()
{
local table=$1
local chain=$2
local pid1
local pid2
$IPT -t $table -F $chain 2> /dev/null && $IPT -t $table -X $chain 2> /dev/null & pid1=$!
$IPT6 -t $table -F $chain 2> /dev/null && $IPT6 -t $table -X $chain 2> /dev/null & pid2=$!
wait $pid1
wait $pid2
return 0
}
remove_chain_list()
{
local table=$1
shift
local chains=("$@")
for chain in "${chains[@]}"; do
remove_chain $table $chain
done
return 0
}
remove_chain_interface_network()
{
declare -a pids=()
local INTER=$1
local INTERC
IFS=';' read -r -a INTERC <<< $INTER
remove_chain "filter" "${CHAINMAININTER}-${INTERC[0]}"
$IPT -F ${CHAINMAININTER}-${INTERC[0]}-${INTERC[1]} 2> /dev/null && $IPT -X ${CHAINMAININTER}-${INTERC[0]}-${INTERC[1]} 2> /dev/null & pids+=($!)
$IPT6 -F ${CHAINMAININTER}-${INTERC[0]}-${INTERC[2]} 2> /dev/null && $IPT6 -X ${CHAINMAININTER}-${INTERC[0]}-${INTERC[2]} 2> /dev/null & pids+=($!)
remove_chain "nat" "${CHAINMAININTER}-${INTERC[0]}"
$IPT -t nat -F ${CHAINMAININTER}-${INTERC[0]}-${INTERC[1]} 2> /dev/null && $IPT -t nat -X ${CHAINMAININTER}-${INTERC[0]}-${INTERC[1]} 2> /dev/null & pids+=($!)
$IPT6 -t nat -F ${CHAINMAININTER}-${INTERC[0]}-${INTERC[2]} 2> /dev/null && $IPT6 -t nat -X ${CHAINMAININTER}-${INTERC[0]}-${INTERC[2]} 2> /dev/null & pids+=($!)
wait "${pids[@]}"
return 0
}
#
# Function that reset the firewall rules
#
delete_rules()
{
declare -a pids=()
insert_rules "-A INPUT -j DROP" && insert_rules "-P INPUT ACCEPT" && \
insert_rules "-F INPUT" && insert_rules "-A INPUT -i lo -j ACCEPT" && \
insert_rules "-A INPUT -m conntrack --ctstate ESTABLISHED,RELATED -j ACCEPT" && \
insert_rules "-P INPUT DROP" & pids+=($!)
insert_rules "-P FORWARD DROP" & pids+=($!)
insert_rules "-P OUTPUT ACCEPT" & pids+=($!)
insert_rules "-F OUTPUT" & pids+=($!)
insert_rules "-t raw -F PREROUTING" & pids+=($!)
insert_rules "-t nat -F PREROUTING" & pids+=($!)
declare -a pidsb=()
for i in {1..3}; do
insert_rules_quietly "-D FORWARD -j $CHAINFORWARDTRAFIC" & pids+=($!)
insert_rules_quietly "-D FORWARD -m conntrack ! --ctstate ESTABLISHED,RELATED -j $CHAINFORWARDFILTER" & pids+=($!)
insert_rules_quietly "-t nat -D OUTPUT -m addrtype --src-type local -m addrtype --dst-type local -j $CHAINIPALLOW" & pids+=($!)
insert_rules_quietly "-t nat -D POSTROUTING -o $mainInter -j MASQUERADE" & pidsb+=($!)
insert_rules_quietly "-t nat -D POSTROUTING -m addrtype --dst-type MULTICAST -j RETURN" & pidsb+=($!)
insert_rules_quietly "-t nat -D POSTROUTING -m addrtype --dst-type BROADCAST -j RETURN" & pidsb+=($!)
insert_rules_quietly "-t nat -D POSTROUTING -m addrtype --src-type MULTICAST -j RETURN" & pidsb+=($!)
insert_rules_quietly "-t nat -D POSTROUTING -m addrtype --src-type BROADCAST -j RETURN" & pidsb+=($!)
insert_rules_quietly "-t nat -D POSTROUTING -m addrtype --dst-type local -j RETURN" & pidsb+=($!)
insert_rules_quietly "-t nat -D POSTROUTING -m addrtype --src-type local -j RETURN" & pidsb+=($!)
insert_rules_quietly "-t nat -D POSTROUTING -s 127.0.0.1 -m conntrack --ctstate DNAT -m addrtype ! --dst-type MULTICAST -m addrtype ! --dst-type BROADCAST -j MASQUERADE" & pidsb+=($!)
insert_rules_quietly "-t nat -D POSTROUTING -s ::1 -m conntrack --ctstate DNAT -m addrtype ! --dst-type MULTICAST -j MASQUERADE" & pidsb+=($!)
insert_rules_quietly "-t nat -D POSTROUTING -s 224.0.0.0/24 -j RETURN" & pidsb+=($!)
insert_rules_quietly "-t nat -D POSTROUTING -s 255.255.255.255 -j RETURN" & pidsb+=($!)
done
local pidS
local INTER
local INTERC
wait "${pids[@]}"
remove_chain_list "filter" ${SPECIALCHAINLIST[@]} & pidS=$!
remove_chain_list "nat" ${NATCHAINLIST[@]} & pidsb+=($!)
remove_chain "raw" $CHAINICMPTRAFIC & pidsb+=($!)
for INTER in ${internInterfaceHaveAccessAsLocal[@]} ${interfaceWithNoRules[@]} ${INTEROut[@]} ${interfaceLocal[@]}; do
remove_chain_interface_network "$INTER" & pidsb+=($!)
done
wait $pidS
for INTER in ${interfaceToGoOutSide[@]} ${interfaceWithNoRules[@]}; do
IFS=';' read -r -a INTERC <<< $INTER
remove_chain "filter" "${CHAINFORWARDTRAFIC}-from-${INTERC[0]}" & pidsb+=($!)
remove_chain "filter" "${CHAINFORWARDTRAFIC}-to-${INTERC[0]}" & pidsb+=($!)
done
local dnatPORT
local dnatPORTC
for dnatPORT in ${IPAutorDnatPortTCP[@]} ${IPAutorDnatPortUDP[@]} ${internalDnatPortTCP[@]} ${internalDnatPortUDP[@]} ${localDnatPortTCP[@]} ${localDnatPortUDP[@]} ${dnatPortTCP[@]} ${dnatPortUDP[@]} ${WWdnatPortTCP[@]} ${WWdnatPortUDP[@]} ${IPAutorDockerTCP[@]} ${IPAutorDockerUDP[@]} ${internalDockerTCP[@]} ${internalDockerUDP[@]} ${localDockerTCP[@]} ${localDockerUDP[@]} ${openDockerTCP[@]} ${openDockerUDP[@]} ${WWDockerTCP[@]} ${WWDockerUDP[@]}; do
IFS=',' read -r -a dnatPORTC <<< $dnatPORT
remove_chain "filter" "${CHAINFORWARDTRAFIC}-from-${dnatPORTC[1]}" & pidsb+=($!)
remove_chain "filter" "${CHAINFORWARDTRAFIC}-to-${dnatPORTC[1]}" & pidsb+=($!)
done
local NETWORK
for NETWORK in ${dockerNetworkWithInternetAccess[@]} ${dockerNetworkWithAccess[@]}; do
local NetworkInterface=$(get_bridge_name_docker_network "$NETWORK")
if [ -n "${NetworkInterface}" ]; then
remove_chain "filter" "${CHAINFORWARDTRAFIC}-from-${NetworkInterface}" & pidsb+=($!)
remove_chain "filter" "${CHAINFORWARDTRAFIC}-to-${NetworkInterface}" & pidsb+=($!)
remove_chain "filter" "${CHAINMAININTER}-${NetworkInterface}" & pidsb+=($!)
remove_chain "nat" "${CHAINMAININTER}-${NetworkInterface}" & pidsb+=($!)
local json_NETWORK=$(${DOCKER} network inspect -f '{{json .IPAM.Config}}' "$NETWORK")
# Parcours de la liste des sous-réseaux dans la sortie JSON
for subnet in $(echo "${json_NETWORK}" | ${JQ} -r '.[] | .Subnet'); do
# Vérifiez si l'adresse est IPv4 ou IPv6 et effectuez le traitement approprié
if is_ipv4_net "$subnet"; then
local chaintouse=$(generate_chain_name "${CHAINMAININTER}-${NetworkInterface}-${subnet}")
$IPT -F ${chaintouse} 2> /dev/null && $IPT -X ${chaintouse} 2> /dev/null & pidsb+=($!)
$IPT -t nat -F ${chaintouse} 2> /dev/null && $IPT -t nat -X ${chaintouse} 2> /dev/null & pidsb+=($!)
$IPS flush ${subnet} 2> /dev/null && $IPS destroy ${subnet} 2> /dev/null & pidsb+=($!)
elif is_ipv6_net "$subnet"; then
local chaintouse=$(generate_chain_name "${CHAINMAININTER}-${NetworkInterface}-${subnet}")
$IPT6 -F ${chaintouse} 2> /dev/null && $IPT6 -X ${chaintouse} 2> /dev/null & pidsb+=($!)
$IPT6 -t nat -F ${chaintouse} 2> /dev/null && $IPT6 -t nat -X ${chaintouse} 2> /dev/null & pidsb+=($!)
$IPS flush ${subnet} 2> /dev/null && $IPS destroy ${subnet} 2> /dev/null & pidsb+=($!)
fi
done
fi
done
$IPS flush $IPSDOH 2> /dev/null && $IPS destroy $IPSDOH 2> /dev/null & pidsb+=($!)
$IPS flush ${IPSDOH}6 2> /dev/null && $IPS destroy ${IPSDOH}6 2> /dev/null & pidsb+=($!)
$IPS flush $IPSLISTGOODIP 2> /dev/null && $IPS destroy $IPSLISTGOODIP 2> /dev/null & pidsb+=($!)
$IPS flush ${IPSLISTGOODIP}6 2> /dev/null && $IPS destroy ${IPSLISTGOODIP}6 2> /dev/null & pidsb+=($!)
$IPS flush $IPSLISTBADIP 2> /dev/null && $IPS destroy $IPSLISTBADIP 2> /dev/null & pidsb+=($!)
$IPS flush ${IPSLISTBADIP}6 2> /dev/null && $IPS destroy ${IPSLISTBADIP}6 2> /dev/null & pidsb+=($!)
wait "${pidsb[@]}"
netfilter-persistent save
return 0
}
delete_docker_rules()
{
local NETWORKS=("$@")
declare -a pids=()
local NETWORK
declare -A interfaceDockerOKForward=()
for NETWORK in ${NETWORKS[@]}; do
local NetworkInterface=$(get_bridge_name_docker_network "$NETWORK")
if [ -n "${NetworkInterface}" ]; then
if [ ! -v interfaceDockerOKForward[${NetworkInterface}] ]; then
$IPT -D DOCKER-ISOLATION-STAGE-1 -i ${NetworkInterface} ! -o ${NetworkInterface} -j DOCKER-ISOLATION-STAGE-2 2> /dev/null & pids+=($!)
$IPT -D DOCKER ! -i ${NetworkInterface} -o ${NetworkInterface} -j DROP 2> /dev/null & pids+=($!)
$IPT -D DOCKER-BRIDGE -o ${NetworkInterface} -j DOCKER 2> /dev/null & pids+=($!)
$IPT -D DOCKER-CT -o ${NetworkInterface} -m conntrack --ctstate ESTABLISHED,RELATED -j ACCEPT 2> /dev/null & pids+=($!)
$IPT -D DOCKER-FORWARD -i ${NetworkInterface} -o ${NetworkInterface} -j DROP 2> /dev/null & pids+=($!)
$IPT -D DOCKER-FORWARD -i ${NetworkInterface} ! -o ${NetworkInterface} -j ACCEPT 2> /dev/null & pids+=($!)
$IPT -D DOCKER-FORWARD -i ${NetworkInterface} -j ACCEPT 2> /dev/null & pids+=($!)
$IPT -D FORWARD -i ${NetworkInterface} ! -o ${NetworkInterface} -j ACCEPT 2> /dev/null & pids+=($!)
$IPT -D FORWARD -i ${NetworkInterface} -o ${NetworkInterface} -j DROP 2> /dev/null & pids+=($!)
$IPT -D FORWARD -i ${NetworkInterface} -o ${NetworkInterface} -j ACCEPT 2> /dev/null & pids+=($!)
$IPT -D FORWARD -o ${NetworkInterface} -j DOCKER 2> /dev/null & pids+=($!)
$IPT -D FORWARD -o ${NetworkInterface} -m conntrack --ctstate ESTABLISHED,RELATED -j ACCEPT 2> /dev/null & pids+=($!)
$IPT6 -D DOCKER-ISOLATION-STAGE-1 -i ${NetworkInterface} ! -o ${NetworkInterface} -j DOCKER-ISOLATION-STAGE-2 2> /dev/null & pids+=($!)
$IPT6 -D DOCKER ! -i ${NetworkInterface} -o ${NetworkInterface} -j DROP 2> /dev/null & pids+=($!)
$IPT6 -D DOCKER-BRIDGE -o ${NetworkInterface} -j DOCKER 2> /dev/null & pids+=($!)
$IPT6 -D DOCKER-CT -o ${NetworkInterface} -m conntrack --ctstate ESTABLISHED,RELATED -j ACCEPT 2> /dev/null & pids+=($!)
$IPT6 -D DOCKER-FORWARD -i ${NetworkInterface} -o ${NetworkInterface} -j DROP 2> /dev/null & pids+=($!)
$IPT6 -D DOCKER-FORWARD -i ${NetworkInterface} ! -o ${NetworkInterface} -j ACCEPT 2> /dev/null & pids+=($!)
$IPT6 -D DOCKER-FORWARD -i ${NetworkInterface} -j ACCEPT 2> /dev/null & pids+=($!)
$IPT6 -D FORWARD -i ${NetworkInterface} ! -o ${NetworkInterface} -j ACCEPT 2> /dev/null & pids+=($!)
$IPT6 -D FORWARD -i ${NetworkInterface} -o ${NetworkInterface} -j DROP 2> /dev/null & pids+=($!)
$IPT6 -D FORWARD -i ${NetworkInterface} -o ${NetworkInterface} -j ACCEPT 2> /dev/null & pids+=($!)
$IPT6 -D FORWARD -o ${NetworkInterface} -j DOCKER 2> /dev/null & pids+=($!)
$IPT6 -D FORWARD -o ${NetworkInterface} -m conntrack --ctstate ESTABLISHED,RELATED -j ACCEPT 2> /dev/null & pids+=($!)
local json_NETWORK=$(${DOCKER} network inspect -f '{{json .IPAM.Config}}' "$NETWORK")
# Parcours de la liste des sous-réseaux dans la sortie JSON
for subnet in $(echo "${json_NETWORK}" | ${JQ} -r '.[] | .Subnet'); do
# Vérifiez si l'adresse est IPv4 ou IPv6 et effectuez le traitement approprié
if is_ipv4_net "$subnet"; then
$IPT -D DOCKER-ISOLATION-STAGE-1 -i ${NetworkInterface} ! -d ${subnet} -j DROP 2> /dev/null & pids+=($!)
$IPT -D DOCKER-ISOLATION-STAGE-1 -o ${NetworkInterface} ! -s ${subnet} -j DROP 2> /dev/null & pids+=($!)
$IPT -D DOCKER-ISOLATION-STAGE-1 -i ${NetworkInterface} ! -o ${NetworkInterface} ! -d ${subnet} -j DROP 2> /dev/null & pids+=($!)
$IPT -D DOCKER-ISOLATION-STAGE-1 ! -i ${NetworkInterface} -o ${NetworkInterface} ! -s ${subnet} -j DROP 2> /dev/null & pids+=($!)
$IPT -D POSTROUTING ! -o ${NetworkInterface} -s ${subnet} -j MASQUERADE 2> /dev/null & pids+=($!)
elif is_ipv6_net "$subnet"; then
$IPT6 -D DOCKER-ISOLATION-STAGE-1 -i ${NetworkInterface} ! -d ${subnet} -j DROP 2> /dev/null & pids+=($!)
$IPT6 -D DOCKER-ISOLATION-STAGE-1 -o ${NetworkInterface} ! -s ${subnet} -j DROP 2> /dev/null & pids+=($!)
$IPT6 -D DOCKER-ISOLATION-STAGE-1 -i ${NetworkInterface} ! -o ${NetworkInterface} ! -d ${subnet} -j DROP 2> /dev/null & pids+=($!)
$IPT6 -D DOCKER-ISOLATION-STAGE-1 ! -i ${NetworkInterface} -o ${NetworkInterface} ! -s ${subnet} -j DROP 2> /dev/null & pids+=($!)
$IPT6 -D POSTROUTING ! -o ${NetworkInterface} -s ${subnet} -j MASQUERADE 2> /dev/null & pids+=($!)
fi
done
interfaceDockerOKForward[${NetworkInterface}]=0
fi
fi
done
wait "${pids[@]}"
return 0
}
flush_rules()
{
declare -a pids=()
insert_rules "-A INPUT -j DROP" && insert_rules "-P INPUT ACCEPT" && \
insert_rules "-F INPUT" && insert_rules "-A INPUT -i lo -j ACCEPT" && \
insert_rules "-A INPUT -m conntrack --ctstate ESTABLISHED,RELATED -j ACCEPT" && \
insert_rules "-P INPUT DROP" & pids+=($!)
insert_rules "-P FORWARD DROP" & pids+=($!)
insert_rules "-P OUTPUT ACCEPT" & pids+=($!)
insert_rules "-F OUTPUT" & pids+=($!)
insert_rules "-t raw -F PREROUTING" & pids+=($!)
insert_rules "-t nat -F PREROUTING" & pids+=($!)
insert_rules_quietly "-t raw -F $CHAINICMPTRAFIC" & pids+=($!)
insert_rules_quietly "-D FORWARD -j $CHAINFORWARDTRAFIC" & pids+=($!)
insert_rules_quietly "-D FORWARD -m conntrack ! --ctstate ESTABLISHED,RELATED -j $CHAINFORWARDFILTER" & pids+=($!)
insert_rules_quietly "-t nat -D POSTROUTING -o $mainInter -j MASQUERADE" & pids+=($!)
insert_rules_quietly "-t nat -D POSTROUTING -m addrtype --dst-type MULTICAST -j RETURN" & pids+=($!)
insert_rules_quietly "-t nat -D POSTROUTING -m addrtype --dst-type BROADCAST -j RETURN" & pids+=($!)
insert_rules_quietly "-t nat -D POSTROUTING -m addrtype --src-type MULTICAST -j RETURN" & pids+=($!)
insert_rules_quietly "-t nat -D POSTROUTING -m addrtype --src-type BROADCAST -j RETURN" & pids+=($!)
insert_rules_quietly "-t nat -D POSTROUTING -m addrtype --dst-type local -j RETURN" & pids+=($!)
insert_rules_quietly "-t nat -D POSTROUTING -m addrtype --src-type local -j RETURN" & pids+=($!)
insert_rules_quietly "-t nat -D POSTROUTING -s 127.0.0.1 -m conntrack --ctstate DNAT -m addrtype ! --dst-type MULTICAST -m addrtype ! --dst-type BROADCAST -j MASQUERADE" & pidsb+=($!)
insert_rules_quietly "-t nat -D POSTROUTING -s ::1 -m conntrack --ctstate DNAT -m addrtype ! --dst-type MULTICAST -j MASQUERADE" & pidsb+=($!)
insert_rules_quietly "-t nat -D POSTROUTING -d 224.0.0.0/24 -j RETURN" & pids+=($!)
insert_rules_quietly "-t nat -D POSTROUTING -d 255.255.255.255 -j RETURN" & pids+=($!)
insert_rules_quietly "-t nat -D OUTPUT -m addrtype --src-type local -m addrtype --dst-type local -j $CHAINIPALLOW" & pids+=($!)
for chain in "${SPECIALCHAINLIST[@]}"; do
insert_rules_quietly "-F $chain " & pids+=($!)
done
for chain in "${NATCHAINLIST[@]}"; do
insert_rules_quietly "-t nat -F $chain" & pids+=($!)
done
local INTER
local INTERC
for INTER in ${internInterfaceHaveAccessAsLocal[@]} ${interfaceWithNoRules[@]} ${INTEROut[@]} ${interfaceLocal[@]}; do
IFS=';' read -r -a INTERC <<< $INTER
insert_rules_quietly "-F ${CHAINMAININTER}-${INTERC[0]}" & pids+=($!)
insert_rules_quietly "-t nat -F ${CHAINMAININTER}-${INTERC[0]}" & pids+=($!)
local chaintouse=$(generate_chain_name "${CHAINMAININTER}-${INTERC[0]}-${INTERC[1]}")
$IPT -F ${chaintouse} 2> /dev/null & pids+=($!)
$IPT -t nat -F ${chaintouse} 2> /dev/null & pids+=($!)
local chaintouse_tcp=$(generate_chain_name "${CHAINMAININTER}-${INTERC[0]}-${INTERC[1]}-tcp")
$IPT -F ${chaintouse_tcp} 2> /dev/null & pids+=($!)
$IPT -t nat -F ${chaintouse_tcp} 2> /dev/null & pids+=($!)
local chaintouse_udp=$(generate_chain_name "${CHAINMAININTER}-${INTERC[0]}-${INTERC[1]}-udp")
$IPT -F ${chaintouse_udp} 2> /dev/null & pids+=($!)
$IPT -t nat -F ${chaintouse_udp} 2> /dev/null & pids+=($!)
local chaintouse=$(generate_chain_name "${CHAINMAININTER}-${INTERC[0]}-${INTERC[2]}")
$IPT6 -F ${chaintouse} 2> /dev/null & pids+=($!)
$IPT6 -t nat -F ${chaintouse} 2> /dev/null & pids+=($!)
local chaintouse_tcp=$(generate_chain_name "${CHAINMAININTER}-${INTERC[0]}-${INTERC[2]}-tcp")
$IPT6 -F ${chaintouse_tcp} 2> /dev/null & pids+=($!)
$IPT6 -t nat -F ${chaintouse_tcp} 2> /dev/null & pids+=($!)
local chaintouse_udp=$(generate_chain_name "${CHAINMAININTER}-${INTERC[0]}-${INTERC[2]}-udp")
$IPT6 -F ${chaintouse_udp} 2> /dev/null & pids+=($!)
$IPT6 -t nat -F ${chaintouse_udp} 2> /dev/null & pids+=($!)
done
for INTER in ${interfaceToGoOutSide[@]} ${interfaceWithNoRules[@]}; do
IFS=';' read -r -a INTERC <<< $INTER
insert_rules_quietly "-F ${CHAINFORWARDTRAFIC}-from-${INTERC[0]}" & pids+=($!)
insert_rules_quietly "-F ${CHAINFORWARDTRAFIC}-to-${INTERC[0]}" & pids+=($!)
done
local dnatPORT
local dnatPORTC
for dnatPORT in ${IPAutorDnatPortTCP[@]} ${IPAutorDnatPortUDP[@]} ${internalDnatPortTCP[@]} ${internalDnatPortUDP[@]} ${localDnatPortTCP[@]} ${localDnatPortUDP[@]} ${dnatPortTCP[@]} ${dnatPortUDP[@]} ${WWdnatPortTCP[@]} ${WWdnatPortUDP[@]} ${IPAutorDockerTCP[@]} ${IPAutorDockerUDP[@]} ${internalDockerTCP[@]} ${internalDockerUDP[@]} ${localDockerTCP[@]} ${localDockerUDP[@]} ${openDockerTCP[@]} ${openDockerUDP[@]} ${WWDockerTCP[@]} ${WWDockerUDP[@]}; do
IFS=',' read -r -a dnatPORTC <<< $dnatPORT
insert_rules_quietly "-F ${CHAINFORWARDTRAFIC}-from-${dnatPORTC[1]}" & pids+=($!)
insert_rules_quietly "-F ${CHAINFORWARDTRAFIC}-to-${dnatPORTC[1]}" & pids+=($!)
done
local NETWORK
for NETWORK in ${dockerNetworkWithInternetAccess[@]} ${dockerNetworkWithAccess[@]}; do
local NetworkInterface=$(get_bridge_name_docker_network "$NETWORK")
if [ -n "${NetworkInterface}" ]; then
insert_rules_quietly "-F ${CHAINFORWARDTRAFIC}-from-${NetworkInterface}" & pids+=($!)
insert_rules_quietly "-F ${CHAINFORWARDTRAFIC}-to-${NetworkInterface}" & pids+=($!)
insert_rules_quietly "-F ${CHAINMAININTER}-${NetworkInterface}" & pids+=($!)
insert_rules_quietly "-t nat -F ${CHAINMAININTER}-${NetworkInterface}" & pids+=($!)
local json_NETWORK=$(${DOCKER} network inspect -f '{{json .IPAM.Config}}' "$NETWORK")
# Parcours de la liste des sous-réseaux dans la sortie JSON
for subnet in $(echo "${json_NETWORK}" | ${JQ} -r '.[] | .Subnet'); do
# Vérifiez si l'adresse est IPv4 ou IPv6 et effectuez le traitement approprié
if is_ipv4_net "$subnet"; then
local chaintouse=$(generate_chain_name "${CHAINMAININTER}-${NetworkInterface}-${subnet}")
$IPT -F ${chaintouse} 2> /dev/null & pids+=($!)
$IPT -t nat -F ${chaintouse} 2> /dev/null & pids+=($!)
elif is_ipv6_net "$subnet"; then
local chaintouse=$(generate_chain_name "${CHAINMAININTER}-${NetworkInterface}-${subnet}")
$IPT6 -F ${chaintouse} 2> /dev/null & pids+=($!)
$IPT6 -t nat -F ${chaintouse} 2> /dev/null & pids+=($!)
fi
done
fi
done
for i in {1..3}; do
insert_rules_quietly "-D FORWARD -j $CHAINFORWARDTRAFIC" && insert_rules_quietly "-D FORWARD -j $CHAINFORWARDTRAFIC" & pids+=($!)
insert_rules_quietly "-D FORWARD -m conntrack ! --ctstate ESTABLISHED,RELATED -j $CHAINFORWARDFILTER" && insert_rules_quietly "-D FORWARD -m conntrack ! --ctstate ESTABLISHED,RELATED -j $CHAINFORWARDFILTER" & pids+=($!)
insert_rules_quietly "-t nat -D POSTROUTING -o $mainInter -j MASQUERADE" && insert_rules_quietly "-t nat -D POSTROUTING -o $mainInter -j MASQUERADE" & pids+=($!)
insert_rules_quietly "-t nat -D POSTROUTING -m addrtype --dst-type MULTICAST -j RETURN" && insert_rules_quietly "-t nat -D POSTROUTING -m addrtype --dst-type MULTICAST -j RETURN" & pids+=($!)
insert_rules_quietly "-t nat -D POSTROUTING -m addrtype --dst-type BROADCAST -j RETURN" && insert_rules_quietly "-t nat -D POSTROUTING -m addrtype --dst-type BROADCAST -j RETURN" & pids+=($!)
insert_rules_quietly "-t nat -D POSTROUTING -m addrtype --src-type MULTICAST -j RETURN" && insert_rules_quietly "-t nat -D POSTROUTING -m addrtype --src-type MULTICAST -j RETURN" & pids+=($!)
insert_rules_quietly "-t nat -D POSTROUTING -m addrtype --src-type BROADCAST -j RETURN" && insert_rules_quietly "-t nat -D POSTROUTING -m addrtype --src-type BROADCAST -j RETURN" & pids+=($!)
insert_rules_quietly "-t nat -D POSTROUTING -m addrtype --dst-type local -j RETURN" && insert_rules_quietly "-t nat -D POSTROUTING -m addrtype --dst-type local -j RETURN" & pids+=($!)
insert_rules_quietly "-t nat -D POSTROUTING -m addrtype --src-type local -j RETURN" && insert_rules_quietly "-t nat -D POSTROUTING -m addrtype --src-type local -j RETURN" & pids+=($!)
insert_rules_quietly "-t nat -D POSTROUTING -s 127.0.0.1 -m conntrack --ctstate DNAT -m addrtype ! --dst-type MULTICAST -m addrtype ! --dst-type BROADCAST -j MASQUERADE" && insert_rules_quietly "-t nat -D POSTROUTING -s 127.0.0.1 -m conntrack --ctstate DNAT -m addrtype ! --dst-type MULTICAST -m addrtype ! --dst-type BROADCAST -j MASQUERADE" & pidsb+=($!)
insert_rules_quietly "-t nat -D POSTROUTING -s ::1 -m conntrack --ctstate DNAT -m addrtype ! --dst-type MULTICAST -j MASQUERADE" && insert_rules_quietly "-t nat -D POSTROUTING -s ::1 -m conntrack --ctstate DNAT -m addrtype ! --dst-type MULTICAST -j MASQUERADE" & pidsb+=($!)
insert_rules_quietly "-t nat -D POSTROUTING -d 224.0.0.0/24 -j RETURN" && insert_rules_quietly "-t nat -D POSTROUTING -d 224.0.0.0/24 -j RETURN" & pids+=($!)
insert_rules_quietly "-t nat -D POSTROUTING -d 255.255.255.255 -j RETURN" && insert_rules_quietly "-t nat -D POSTROUTING -d 255.255.255.255 -j RETURN" & pids+=($!)
insert_rules_quietly "-t nat -D OUTPUT -m addrtype --src-type local -m addrtype --dst-type local -j $CHAINIPALLOW" && insert_rules_quietly "-t nat -D OUTPUT -m addrtype --src-type local -m addrtype --dst-type local -j $CHAINIPALLOW" & pids+=($!)
done
wait "${pids[@]}"
return 0
}
# insert_rules_list_ports "-t " "-AI" "-m ipv4" "-m ipv6" "-j" "tcp/udp" ARRAY
insert_rules_list_ports()
{
local cmd_args_v4=""
local cmd_args_v6=""
local option_t=$1 #-t nat/
shift
cmd_args_v4+="$option_t"
cmd_args_v6+="$option_t"
local option_A_I=$1 #-A ?/-I ?
shift
cmd_args_v4+=" $option_A_I"
cmd_args_v6+=" $option_A_I"
local option_m_v4=$1 #-m set ! --match-set ${IPSLISTBADIP} src
shift
if [ ! -z "$option_m_v4" ]; then
cmd_args_v4+=" $option_m_v4"
fi
local option_m_v6=$1 #-m set ! --match-set ${IPSLISTBADIP}6 src
shift
if [ ! -z "$cmd_args_v6" ]; then
cmd_args_v6+=" $option_m_v6"
fi
local option_j=$1 #-j ACCEPT
shift
local proto=$1 #tcp/udp
shift
local ports=("$@")
declare -a pids=()
local PORT
for PORT in "${ports[@]}"; do
$IPT $cmd_args_v4 -p $proto --dport $PORT $option_j & pids+=($!)
$IPT6 $cmd_args_v6 -p $proto --dport $PORT $option_j & pids+=($!)
done
wait "${pids[@]}"
return 0
}
# insert_rules_list_redirections "-AI NAT" "-AI FILTER" "-m ipv4" "-m ipv6" "-j FILTER" "tcp/udp" ARRAY
insert_rules_list_redirections()
{
local cmd_args_v4_nat="-t nat"
local cmd_args_v6_nat="-t nat"
local cmd_args_v4_nat_log="-t nat"
local cmd_args_v6_nat_log="-t nat"
local cmd_args_v4_filter="-t filter"
local cmd_args_v6_filter="-t filter"
local option_A_I_nat=$1 #-A ?/-I ?
shift
cmd_args_v4_nat+=" $option_A_I_nat"
cmd_args_v6_nat+=" $option_A_I_nat"
cmd_args_v4_nat_log+=" ${option_A_I_nat}-logs"
cmd_args_v6_nat_log+=" ${option_A_I_nat}-logs"
local option_A_I_filter=$1 #-A ?/-I ?
shift
cmd_args_v4_filter+=" $option_A_I_filter"
cmd_args_v6_filter+=" $option_A_I_filter"
local option_m_v4=$1 #-m set ! --match-set ${IPSLISTBADIP} src
shift
if [ ! -z "$option_m_v4" ]; then
cmd_args_v4_nat+=" $option_m_v4"
cmd_args_v4_nat_log+=" $option_m_v4"
cmd_args_v4_filter+=" $option_m_v4"
fi
local option_m_v6=$1 #-m set ! --match-set ${IPSLISTBADIP}6 src
shift
if [ ! -z "$cmd_args_v6" ]; then
cmd_args_v6_nat+=" $option_m_v6"
cmd_args_v6_nat_log+=" $option_m_v6"
cmd_args_v6_filter+=" $option_m_v6"
fi
local option_j=$1 #-j ACCEPT