Applicable to:
- Plesk for Linux
Symptoms
Following error is returned when trying to open Domains > example.com > Backup & Restore > Scheduled page:
PLESK_ERROR: 500 PleskException
Message SSL certificate problem: certificate has expired
File Catalog.php
Cause
Deprecated libssl shared libraries are installed:
# dpkg -l | grep libssl
ii libssl1.0.0:amd64 1.0.1t-1+deb8u12 amd64 Secure Sockets Layer toolkit - shared libraries
ii libssl1.0.2:amd64 1.0.2u-1~deb9u6 amd64 Secure Sockets Layer toolkit - shared libraries
ii libssl1.1:amd64 1.1.0l-1~deb9u3 amd64 Secure Sockets Layer toolkit - shared libraries
Resolution
-
Connect to the server via SSH.
-
Remove deprecated libraries:
# dpkg -r --force-depends "libssl1.0.0"
-
Restart Plesk backend engine:
# systemctl restart sw-engine
Note: Plesk UI will be unavailable for a short period of time during Plesk backend engine restart.
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