How to Enable MySQL Port on Your Linux Dedicated Server

Please refer to the following steps:

  1. First, log in to your server as root.
  2. Edit the csf configuration file using the following command:
    vi /etc/csf/csf.conf
  3. Search for the following line:
    # Allow incoming TCP ports
    TCP_IN = “20,21,22,25,26,53,80,110,143,443,465,587,993,995, 2077,2078,2082,2083,2086,2087,2095,2096,28900,2896 0,28970,28860,49030,3333”
  4. Add the port no 3306 for mysql in this line.
    # Allow incoming TCP ports
    TCP_IN = “20,21,22,25,26,53,80,110,143,443,465,587,993,995, 2077,2078,2082,2083,2086,2087,2095,2096,28900,2896 0,28970,28860,49030,3333,3306
  5. Save the changes using by pressing: wq!
  6. Refresh the firewall using the following command:
    csf –r
  7. Last, but not the least, you also need to add the same port in TCP OUT just below TCP_IN

And there you have it!


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