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-5db04ba2dede2272648758/] 3) Enter following command to close port in iptables [crayon-5db04ba2dede7566794371/] 4) Save iptables [crayon-5db04ba2dede9664279647/] 5) Restart iptables [crayon-5db04ba2dedeb876568530/] … [Read more...]