Two steps to realize the process of closing the firewall on the server

When we run business on the server, some software is blocked by the firewall. We also don't know whether the specific port or whether it is blocked randomly. Here we can directly close the server firewall to solve this problem. In this article, Jiang tells you two steps to implement the server Turn off firewall Method.

1. Close security group

General servers may have specific ports for security group settings. Therefore, we can close the security group or release all ports.

2. Turn off firewall

Some of our servers have installed firewalls when laying out the environment.

 service iptables stop

We can use the command to close the firewall.

Of course, if our website server has been set with DDOS defense or CDN, it also needs to be closed or fully released.

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