Ipset

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Summary help replacing me
Information regarding the setup and configuration of ipset.
Related
Firewalls
Iptables

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

A package for ipset can be installed from the AUR.

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.