Active Members Fi8sVrs Posted May 29, 2012 Active Members Report Posted May 29, 2012 iptables is built on top of netfilter, the packet alteration framework for Linux 2.4.x and 2.6.x. It is a major rewrite of its predecessor ipchains, and is used to control packet filtering, Network Address Translation (masquerading, portforwarding, transparent proxying), and special effects such as packet mangling.Changes: This release supports the new cttimeout infrastructure. This allows you to attach specific timeout policies to flow via iptables CT targets.DownloadLinux IPTables Firewall 1.4.14 ? Packet Storm Quote