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fduran

Linux: Block IP with iptables

fduran
Aug 23rd, 2011
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  1. # www.fduran.com
  2. # Block an external attacker's IP address (1.2.3.4) with netfilter (iptables)
  3. /sbin/iptables --append INPUT --source 1.2.3.4 -j DROP
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