iptables: Creating an open source firewall    Thursday, November 25 2004 @ 08:42 PM EST Contributed by: glosser iptables is now the standard firewall on Linux systems. With a wide range of plug-in modules and third-party additions, it fits almost every need. Almost every version of the 2.x series of the Linux kernel has a different firewall implementation, with 2.0 using ipfwadm, 2.2 using ipchains, and 2.4 implementing netfilter. 2.6 continues to use netfilter, as it is essentially a plug-in framework within the network subsystem for whichever firewall implementation we choose to use. 2.4 and 2.6 support both ipfwadm and ipchains through backports of the systems to netfilter. They also support iptables, which was specifically written for use with netfilter. Full article from Linux.com   [ Views: 1425 ]

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