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{{Short description|User-space portion of Linux kernel packet filtering system}} |
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{{lowercase|title=ipchains}} |
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{{lowercase|title=ipchains}} |
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{{Infobox software |
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{{Infobox software |
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|status = Unmaintained; superseded by ] |
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|discontinued = yes |
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|replaced_by = ] |
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|genre = ] management |
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|genre = ] management |
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|license = ] |
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|license = ] |
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|website = {{URL|people.netfilter.org/~rusty/ipchains/}} |
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|website = {{URL|https://people.netfilter.org/rusty/ipchains/}} |
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'''Linux IP Firewalling Chains''', normally called '''ipchains''', is ] to control the ] or ] capabilities in the 2.2 series of ]s. It superseded ], but was replaced by ] in the 2.4 series. Unlike iptables, ipchains is stateless. |
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'''Linux IP Firewalling Chains''', normally called '''ipchains''', is ] to control the ] or ] capabilities in the 2.2 series of ]s. It superseded ] (managed by '''ipfwadm''' command), but was replaced by ] in the 2.4 series. Unlike iptables, ipchains is ]. |
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It is a rewrite of Linux's previous ] ], ]. This newer ipchains was required to manage the ] in ]s starting with version 2.1.102 (which was a 2.2 development release). Patches are also available to add ipchains to 2.0 and earlier 2.1 series kernels. Improvements include larger maxima for packet ], filtering for ] and a wider range of ], and the ability to match packets based on the inverse of a rule.<ref>{{cite web | url = http://people.netfilter.org/~rusty/ipchains/HOWTO-1.html | title = Linux IPCHAINS-HOWTO | last = Russell | first = Rusty | chapter = 1 | edition=version 1.0.8 | date = 2000-07-04 | accessdate = 2009-02-08 }}</ref> |
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It is a rewrite of Linux's previous ] ], ]. This newer ipchains was required to manage the ] in ]s starting with version 2.1.102 (which was a 2.2 development release). Patches are also available to add ipchains to 2.0 and earlier 2.1 series kernels. Improvements include larger maxima for packet ], filtering for ] and a wider range of ], and the ability to match packets based on the inverse of a rule.<ref>{{cite web | url = http://people.netfilter.org/~rusty/ipchains/HOWTO-1.html | title = Linux IPCHAINS-HOWTO | last = Russell | first = Rusty | edition = version 1.0.8 | date = 2000-07-04 | accessdate = 2009-02-08 | url-status = dead | archiveurl = https://web.archive.org/web/20120216060037/http://people.netfilter.org/~rusty/ipchains/HOWTO-1.html | archivedate = 2012-02-16 }}</ref> |
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The ipchains suite also included some shell scripts for easier maintenance and to emulate the behavior of the old ] command. |
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The ipchains suite also included some shell scripts for easier maintenance and to emulate the behavior of the old '''ipfwadm''' command. |
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The ipchains software was superseded by the ] system in ] 2.4 and above.<ref>{{cite web | url = http://www.netfilter.org/ | title = netfilter/iptables project homepage | date = 2009-02-06 | accessdate = 2009-02-08 }}</ref> |
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The ipchains software was superseded by the ] system in ] 2.4 and above,<ref>{{cite web | url = http://www.netfilter.org/ | title = netfilter/iptables project homepage | date = 2009-02-06 | accessdate = 2009-02-08 }}</ref> which was in turn superseded by the ] system in 2014. |
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==References== |
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==References== |
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{{Reflist}} |
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{{reflist}} |
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==External links== |
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==External links== |
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{{Portal|Free software}} |
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{{Portal|Free and open-source software}} |
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* IPChains HOWTO: and |
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* IPChains HOWTO: and |
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{{Firewall software}} |
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{{Firewall software}} |
The ipchains suite also included some shell scripts for easier maintenance and to emulate the behavior of the old ipfwadm command.
