Linux open port 443

1.  1

   Linux command input terminal:

   iptables -I INPUT -p tcp --dport 443 -j ACCEPT

    
2. 2

   Continue to enter command after a carriage return, enter the command to save the firewall configuration:

   service iptables save

    
3. 3

   Confirmation of the fire, returned firewall configuration successfully saved the message

    
4. 4

   Enter to restart the Firewall Services Directive:

   service iptables restart

    
5. 5

   Enter the instruction is executed successfully returned to restart the firewall service message,

   So far, the success of the open port 443