Difference between revisions of "How to block someone's IP"

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     iptables -A INPUT -s 123.123.123.123 -j DROP
     iptables -A INPUT -s 123.123.123.123 -j DROP


To save the rule:
To save the rules, run:


On Centos)
On Centos)

Revision as of 12:48, 5 January 2009

To block incoming IP, use this command:

   iptables -A INPUT -s IP -j DROP

For example:

   iptables -A INPUT -s 123.123.123.123 -j DROP

To save the rules, run:

On Centos)

  /etc/init.d/iptables save

On Debian)

Please read this link http://www.debian-administration.org/articles/445