IP Tables

to list all ip tables by chain 

 iptables -L --line-numbers 

 add iptable on line  

 sudo iptables -I INPUT 1 -p tcp -s 10.190.195.123 --dport 22 -j ACCEPT sudo iptables -I INPUT 2 -p tcp -s 10.190.227.123 --dport 22 -j ACCEPT 

 sudo iptables -I INPUT 3 -p tcp -s 10.190.195.123 --dport 8443 -j ACCEPT sudo iptables -I INPUT 4 -p tcp -s 10.190.227.123 --dport 8443 -j ACCEPT 

 sudo iptables -I INPUT 5 -p tcp --dport 22 -j REJECT sudo iptables -I INPUT 6 -p tcp --dport 8443 -j REJECT 

 delete existing chain line iptables -D INPUT 2  this will delete rule 2 

   

   

 to save the iptables service iptables save