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== summary == |
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http://www.netfilter.org/ |
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iptables is the interface to the packet filtering capabilities of the [[Linux]] kernel, [[netfilter]]. |
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You use it to create so called [[firewall]]s. |
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* http://netfilter.org/ |
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* http://netfilter.org/projects/iptables/index.html |
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netfilter and iptables are building blocks of a framework inside the [[Linux]] 2.4.x and 2.6.x kernel. This framework enables [[packet filtering]], [[network]] addresss [and [[port]]] translation (NA[P]T) ([[NAT]]) and other packet mangling. It is the re-designed and heavily improved successor of the previous Linux 2.2.x ipchains and Linux 2.0.x ipfwadm systems. |
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== manpage == |
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netfilter is a set of hooks inside the [[Linux]] [[kernel]] that allows kernel modules to register callback functions with the network stack. A registered callback function is then called back for every packet that traverses the respective hook within the network stack. |
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<man>iptables</man> |
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iptables is a generic table structure for the definition of rulesets. Each rule within an IP table consists out of a number of classifiers (iptables matches) and one connected action (iptables target). |
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{{manpage}} |
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netfilter, iptables and the connection tracking as well as the NAT subsystem together build the whole framework. |
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Main Features |
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== further links == |
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* stateless packet filtering (IPv4 and IPv6) |
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* stateful packet filtering (IPv4) |
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* all kinds of network address and port translation (NAT/NAPT) |
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* flexible and extensible infrastructure |
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* multiple layers of API's for 3rd party extensions |
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* large number of plugins/modules kept in 'patch-o-matic' repository |
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* [http://iptables-tutorial.frozentux.net/iptables-tutorial.html Iptables Tutorial 1.2.2 by Oskar Andreasson] |
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* http://www.netfilter.org/ |
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* [http://www.harry.homelinux.org/modules.php?name=iptables_Generator iptables generator von Harry's Linux-Seite], [http://harry.homelinux.org/modules.php?name=News&file=article&sid=3] |
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* http://iptables-tutorial.frozentux.net/iptables-tutorial.html |
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* [http://linuxreviews.org/features/ipv6/iptables/ IPv6 iptables firewall (Linux Reviews)] |
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Latest revision as of 17:53, 26 October 2007
summary[edit]
iptables is the interface to the packet filtering capabilities of the Linux kernel, netfilter. You use it to create so called firewalls.
manpage[edit]
<man>iptables</man>