[LINUX] iptables block with log - fourslickz/notes GitHub Wiki

iptables -I INPUT -p tcp -s 10.130.249.210 --dport 27017 -j ACCEPT
iptables -A INPUT -p tcp --dport 27017 -j LOG --log-prefix "Blocked MongoDB: " --log-level 4
iptables -A INPUT -p tcp --dport 27017 -j DROP