Cobra Forum

Question: Websites hosted in Plesk are inaccessible and show HTTP 503 error


Symptoms

• Websites hosted in Plesk are inaccessible and show an HTTP 503 or HTTP 504 error.
• Entries like the following can be found in /var/log/messages:

Aug 19 12:15:14 [HOSTNAME] kernel: traps: php-fpm[PID] general protection fault ip:7f2e3875ecbf sp:7ffdbfc1c3c0 error:0 in libhs_runtime.so.5.4.0[7f2e3849c000+3b0000]
Aug 19 12:15:16 [HOSTNAME] kernel: traps: php-fpm[PID] general protection fault ip:7f2e3875ecbf sp:7ffdbfc1c3c0 error:0 in libhs_runtime.so.5.4.0[7f2e3849c000+3b0000]

Cause

An issue with the imunify360 Proactive Defence module.


Resolution

The issue has been resolved by the CloudLinux team, and no further action is required. The affected components will be updated automatically to include the fix. More information about the incident can be found on the imunify360 status page.