diff --git a/worker/include/dpdk_filter/constants.h b/worker/include/dpdk_filter/constants.h
index 78d1ffa..db2c377 100644
--- a/worker/include/dpdk_filter/constants.h
+++ b/worker/include/dpdk_filter/constants.h
@@ -3,6 +3,8 @@
 
 #include <stdint.h>
 
+#define DNS_CACHE_DEFAULT_TTL (7 * 24 * 60 * 60) // 7 дней
+#define IP_CACHE_DEFAULT_TTL (7 * 24 * 60 * 60)  // 7 дней
 #define FORWARD_TO_OUT_BURST_SIZE 32
 #define MAX_CATEGORIES_BY_TRUST_LVL 64
 #define MAX_DOMAINS 64
diff --git a/worker/src/worker.cpp b/worker/src/worker.cpp
index bd03edd..3c245fb 100644
--- a/worker/src/worker.cpp
+++ b/worker/src/worker.cpp
@@ -392,6 +392,12 @@ void Worker::MainLoop() {
     {
       std::lock_guard<std::mutex> lock(policy_mutex);
       local_policy = current_policy;
+      if (local_policy.ttl_domain <= 0) {
+        local_policy.ttl_domain = DNS_CACHE_DEFAULT_TTL;
+      }
+      if (local_policy.ttl_ip <= 0) {
+        local_policy.ttl_ip = IP_CACHE_DEFAULT_TTL;
+      }
     }
     forward_to_out(port_exception, port_in, queue_number);
     pakage_processing(port_in, port_out, port_exception, queue_number, nb_pkts,