• Debian 11 is approaching its end-of-life (vendor EOL date - August 31, 2026). Plesk Obsidian 18.0.80 will be the last release to support it.
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Resolved Unable to Start Nginx

PalmtreeRoundabout

New Pleskian
Server operating system version
Ubuntu 22.04 x86_64
Plesk version and microupdate number
Plesk Obsidian 18.0.69.2
Error:

Code:
Unable to generate the web server configuration file on the host <XXXXX> because of the following errors:

Template_Exception: nginx: [warn] duplicate value "TLSv1.2" in /etc/nginx/conf.d/ssl.conf:4
nginx: [warn] duplicate value "TLSv1.3" in /etc/nginx/conf.d/ssl.conf:4
nginx: [emerg] "ssl_prefer_server_ciphers" directive is duplicate in /etc/nginx/conf.d/ssl.conf:13
nginx: configuration file /etc/nginx/nginx.conf test failed

file: /opt/psa/admin/plib/Template/Writer/Webserver/Abstract.php
line: 75
code: 0

Please resolve the errors in web server configuration templates and generate the file again.

Performing a Grep: grep -R 'TLSv1.1' /etc/nginx/* returns two files:
/etc/nginx/conf.d/ssl.conf
/etc/nginx/nginx.conf

Commenting out the duplicate line on either clears this error but prevents things loading.
 
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