Ipchains: Difference between revisions
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'''ipchains''' is a software based [[firewall (networking)|firewall]] for [[Linux]]. It is a rewrite of [[IPv4]] firewalling [[code]]. ipchains is required to administer the IP packet filters |
'''ipchains''' is a software based [[firewall (networking)|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 [[Transmission Control Protocol|TCP]], [[User Datagram Protocol|UDP]], and [[Internet Control Message Protocol|ICMP]]. |
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ipchains |
ipchains is superseded by [[iptables]] in Linux 2.4 and above. |
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== See also == |
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* [[iptables]] |
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== External links == |
== External links == |
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* [http://www.flounder.net/ipchains/ipchains-howto.html IPChains HOWTO] |
* [http://www.flounder.net/ipchains/ipchains-howto.html IPChains HOWTO] |
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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ipchains is superseded by iptables in Linux 2.4 and above.
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