iptables.bak

# /etc/iptables.bak
# Generated by iptables-save v1.2.11 on Tue May 10 08:06:58 2005
*filter
:INPUT ACCEPT [5:952]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [1192099:595387635]

# accept all from localhost
-A INPUT -s 127.0.0.1 -j ACCEPT

# accept all previously established connections
-A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT

# permit people to ssh into this computer
-A INPUT -p tcp -m state --state NEW -m tcp --dport 22 -j ACCEPT

# permit ftp and web hosting services
-A INPUT -p tcp -m state --state NEW -m tcp --dport 20 -j ACCEPT
-A INPUT -p tcp -m state --state NEW -m tcp --dport 21 -j ACCEPT
-A INPUT -p tcp -m state --state NEW -m tcp --dport 80 -j ACCEPT
-A INPUT -p tcp -m state --state NEW -m tcp --dport 443 -j ACCEPT

# permit windows file sharing
-A INPUT -p tcp -m state --state NEW -m tcp --dport 137:139 -j ACCEPT
-A INPUT -p tcp -m state --state NEW -m tcp --dport 426 -j ACCEPT
-A INPUT -p tcp -m state --state NEW -m tcp --dport 445 -j ACCEPT

# permit five ports for bitorrent
-A INPUT -p tcp -m state --state NEW -m tcp --dport 6881:6886 -j ACCEPT

# reject all other packets coming into the computer, even from other computers in the local area network
-A INPUT -j REJECT --reject-with icmp-port-unreachable

COMMIT
# Completed on Tue May 10 08:06:58 2005