Tagi: firewall


I have to do with linux firewall iptables quite rarely, that's why I never remember commands I need. I'm going to list them here as they will come on my way.

List rules with line numbers:

iptables -L --line-numbers

Deny all acces from IP, in case of DDOS or Auth-attack:

iptables -A INPUT -s -j DROP

Remove rule by line number:

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