iptables firewall commands

#to allow access to server with iptables
iptables -A INPUT -s 192.111.111.111 -j ACCEPT
service iptables save

#tp remove access to server with iptables
iptables -A INPUT -s 192.111.111.111 -j DROP
service iptables save


//to list properties of iptables and show allowed ip is added
iptables -L