Difference between revisions of "Ipset"

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== Installation ==
 
== Installation ==
  
A [https://aur.archlinux.org/packages.php?ID=16553 package for ipset] can be installed from the [[AUR]].
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Install the package for [http://www.archlinux.org/packages/community/x86_64/ipset/ ipset]:
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  # pacman -S ipset
  
 
== Configuration ==
 
== Configuration ==

Revision as of 15:00, 5 April 2012

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ipset is a companion application for the iptables Linux firewall. It allows you to setup rules to quickly and easily block a set of IP addresses, among other things.

Installation

Install the package for ipset:

 # pacman -S ipset

Configuration

Blocking a list of addresses

Start by creating a new "set" of network addresses. This creates a new "hash" set of "net" network addresses named "myset".

# ipset create myset hash:net

Add any IP address that you'd like to block to the set.

# ipset add myset 14.144.0.0/12
# ipset add myset 27.8.0.0/13
# ipset add myset 58.16.0.0/15

Finally, configure iptables to block any address in that set. This command will add a rule to the "INPUT" chain to "-m" match the set named "myset" from ipset (--match-set) when it's a "src" packet and "DROP", or block, it.

# iptables -I INPUT -m set --match-set myset src -j DROP

Other Commands

To view the sets:

# ipset list

To delete a set named "myset":

# ipset destroy myset

To delete all sets:

# ipset destroy

Please see the man page for ipset for further information.