Design and Implementation of Dynamic Intrusion Detection Firewall Based on Linux

Based on the traditional firewall can not be adjusted according to the invasion strategy inadequate,combining Snort intrusion detection system,achieved a firewall and intrusion detection system of joint.Based on the introduction of intrusion detection results of the dynamic adjustment mechanism for the firewall rules,achieve a certain degree of automatic detection,automatic defense,and have a certain ability to learn.Deal with certain unknown attacks,for individual users and small network users building a more comprehensive security protection system.