Open and Close Ports using IPTables

IPtables is the default firewall used on CentOS and RHEL systems. On most of First2Host services like VPS Servers or Dedicated Servers, you will find the firewall is active but all ports are open. We do this to ensure all users can connect to services they may install like cPanel or Plesk. If you want to close some ports on your server or even open some if you have a pre-configured firewall you can use the rules below to open and close ports on your firewall.

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Thursday, December 14, 2017

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