Reject the request coming from ssh


Step 1: Stop the firewall
[root#] service iptables stop

Step 2 :  Write the firewall rule
[root#] iptables  -A  INPUT  -p  tcp   --dport  ssh  -j  REJECT

Step 3 : Start the firewall
[root#] service iptables start

Step 4 : Check the firewall rule
[root#] iptables -L -n


Step 5 : Check firewall status
[root#] service iptables status


Step 6 : flush the firewall
[root#] iptables --flush


Step 7 : Check the firewall rule
[root#] iptables -L -n

Step 8: Stop the firewall
[root#] service iptables stop