Schlagwort-Archive: bash

Deny in iptables based on AS-number

iptables -N AS_DENY; iptables -I INPUT -j AS_DENY; whois -T route -i origin AS57169 | grep '^route:' | awk '{print $2}' | aggregate -q | xargs -n1 -I% iptables -A AS_DENY -s % -j DROP