Block an IP address

iptables -A INPUT -s 65.55.44.100 -j DROP

-1
By: igorfu
2011-05-23 08:32:47

1 Alternatives + Submit Alt

  • Block given ip for X seconds and then automatically unban.


    0
    IP=192.168.0.12 DELAY=15 bash -c 'sudo iptables -A INPUT -s ${IP:-badguy.localdomain} -j DROP && echo blocked "$IP" && sudo bash -c "sleep ${DELAY:-600}; iptables -D INPUT -s ${IP:-badguy.localdomain} -j DROP && echo unblocked $IP" 1>&1 & disown %1'
    xadi · 2016-04-20 14:28:36 0

What Others Think

I always forget this one, which deletes iptables rules /sbin/iptables -F
igorfu · 390 weeks ago

What do you think?

Any thoughts on this command? Does it work on your machine? Can you do the same thing with only 14 characters?

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Block an IP address from connecting to a server

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