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Yoг can customize default nginx virtual hosting template:
- mkdir /usr/local/psa/admin/conf/templates/custom/domain
- cp /usr/local/psa/admin/conf/templates/default/domain/nginxDomainVirtualHost.php /usr/local/psa/admin/conf/templates/custom/domain/
- add or change what you need in /usr/local/psa/admin/conf/templates/custom/domain/nginxDomainVirtualHost.php
- /usr/local/psa/admin/bin/httpdmng --reconfigure-all # to apply new configuration for all domains