Suddenly Cannot Connect to WHM

Louis Judice

• May 11, 2026 15:35

Suddenly WHM cannot be connected to on 2 VPS's. SSH works, all the websites work, it looks like cpanel/whm is running but connection fails with timeout. CSF is disabled,so it's not a firewall issue and I iseda VPN to testdifferent IP's.  It almost looks like port 2087 was suddenly blocked.  And 2 servers in the same data centers on different clouds have the exact same problem, Just noyiced it last night.

 

 

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  mtindor

  • May 11, 2026 16:13

  At one point Liquidweb was blocking ports due to one of the cPanel vulnerabilities that came out within the past couple of weeks.   They removed the global blockage of CPSRVD ports (whm / cpanel / webmail).  But if you are at Liquidweb and your servers are not up to date, they are probably purposefully blocking those ports in an attempt to protect your server.

  If your servers aren't at Liquidweb but at some other datacenter, that datacenter may be doing the same thing.

   

   

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  Louis Judice

  • May 11, 2026 17:08

  thank you so much - that would explain what I see - I just creted a ticket to check at myprovider.

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