Solution – Server Down after Flushing IPtables

Recently one of my vps (CentOS) went down after flushing / clearing iptables rules using below command:

iptables -F

The above command will flush/clear all current firewall rules of your CentOS / Linux server.

Here is how I fixed it. I just restarted iptables rules using below command and my VPS was UP.

service iptables restart

You can also use below command to restart iptables rules.

/etc/init.d/iptables restart

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