{{tag>firewall iptables}}

====== iptables commands ======

Drop new TCP connection from single IP if it exceeds 10 simultaneous connections.

  iptables -I INPUT 1 -p tcp --syn -m connlimit --connlimit-above 10 -j DROP

Allow from IP on port 10050 over TCP protocol

  iptables -A INPUT -s 79.137.64.226 -p tcp --dport 10050 -j ACCEPT
====== Tested on ======
  * 

====== See also ======
  * [[save_iptables_rules_clear_firewall|Save iptables rules and clear firewall]]

====== References ======