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Block an IP address from connecting to a server

Terminal - Block an IP address from connecting to a server
iptables -A INPUT -s -j DROP
2009-02-02 12:42:04
User: root
Functions: iptables
Block an IP address from connecting to a server

This appends (-A) a new rule to the INPUT chain, which specifies to drop all packets from a source (-s) IP address.


There are 4 alternatives - vote for the best!

Terminal - Alternatives

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What others think

exactly what I needed to get ridd of several IP addresses.

Comment by kille 476 weeks and 5 days ago

I usually use "-I INPUT" rather than "-A INPUT" to ensure it's not allowed by something else first. Also is the /32 required?

Comment by pixelbeat 476 weeks and 2 days ago

I'd really like to shut this off now that I've tested it. How might I go about that?

Comment by Tralce 471 weeks ago

Check first.

iptables -vn -L INPUT

Add rule.

iptables -A INPUT -s -j DROP

Check that it's there.

Remove rule.

iptables -D INPUT -s -j DROP

And then check again that it's gone.

Comment by AJxn 335 weeks and 4 days ago

Your point of view

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