How to open and close port in iptables ?

Few of very simple steps 1) Login using root 2) Enter following command to open port in iptables [crayon-5d2df875cd28d185093463/] 3) Enter following command to close port in iptables [crayon-5d2df875cd292810962825/] 4) Save iptables [crayon-5d2df875cd294629225040/] 5) Restart iptables [crayon-5d2df875cd295983202167/] … [Read more...]