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{{lowercase|title=ipchains}} {{lowercase|title=ipchains}}


'''ipchains''' is a software based ] for ]. It is a rewrite of ] firewalling ]. ipchains is required to administer the IP packet filters in the ]. The reason ipchains was written is that the older IPv4 firewall code did not work with IP fragments and didn't allow for specificaton of protocols other than ], ], and ]. '''ipchains''' is a software based ] for ]. It is a rewrite of Linux's previous ] firewalling ], ]. In Linux 2.2, ipchains is required to administer the IP packet filters. ipchains was written because the older IPv4 firewall code used in Linux 2.0 did not work with IP fragments and didn't allow for specificaton of protocols other than ], ], and ].


ipchains was used in Linux 2.2 but is now superseded by iptables in Linux 2.4 and above. ipchains is the successor of ipfwadm which was used in Linux 2.0. ipchains is superseded by ] in Linux 2.4 and above.

== See also ==
* ]


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{{linux-stub}} {{linux-stub}}

Revision as of 03:25, 28 February 2006


ipchains is a software based firewall for Linux. It is a rewrite of Linux's previous IPv4 firewalling code, ipfwadm. In Linux 2.2, ipchains is required to administer the IP packet filters. ipchains was written because the older IPv4 firewall code used in Linux 2.0 did not work with IP fragments and didn't allow for specificaton of protocols other than TCP, UDP, and ICMP.

ipchains is superseded by iptables in Linux 2.4 and above.


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