- Plesk Onyx for Linux
Note: This article has the reference to the issue with the fix available:
"Plesk administrator could configure Apache and nginx in such a way that PHP files were not being handled even though PHP was enabled."
- Plesk Onyx 17.5.3 23 March 2017 (Linux)
The Proxy mode directive in Plesk > Subscriptions > example.com > Websites & Domains > example.com > Apache & nginx Settings is turned off, but an opportunity to choose the handler FastCGI/FPM application served by Apache still exists in Plesk > Subscriptions > example.com > Websites & Domains > example.com > PHP Settings .
This is Plesk bug #PPPM-5742 which is fixed in Plesk Onyx 17.5.3 .
Upgrade to the latest Plesk version .