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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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|name = ipchains |
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|logo = |
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|collapsible = |
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|author = |
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|developer = ] |
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|released = pre-{{Start date and age|1998}} |
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|latest release version = 1.3.10 |
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|latest release date = {{Start date and age|2000|10|6}} |
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|latest preview version = |
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|latest preview date = <!-- {{Start date and age|YYYY|MM|DD}} --> |
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|programming language = ] |
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|operating system = ] |
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|platform = ] |
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|size = |
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|language = |
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|discontinued = yes |
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|replaced_by = ] |
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|genre = ] management |
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|license = ] |
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|website = {{URL|https://people.netfilter.org/rusty/ipchains/}} |
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}} |
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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Chains''', normally called '''ipchains''', is ] to control the ] or ] capabilities in the 2.2 series of ]s. It superseded ] (managed by '''ipfwadm''' command), but was replaced by ] in the 2.4 series.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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'''ipchains''' is a ] 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 specification of protocols other than ], ], and ]. |
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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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ipchains is superseded by ] in Linux 2.4 and above. |
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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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== External links == |
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{{Portal|Free software}} |
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* |
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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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{{linux-stub}} |
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{{reflist}} |
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==External links== |
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] |
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{{Portal|Free and open-source software}} |
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* IPChains HOWTO: and |
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{{Firewall software}} |
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{{Linux kernel}} |
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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.
