Hardening FPM Configuration, thanks to alephlg (https://forum.vestacp.com/viewtopic.php?f=16&p=74389)

src/deb/php/php-fpm.conf

@@ -26,6 +26,8 @@ env[VESTA] = $HESTIA
 env[LANG] = en_US.UTF-8
 php_flag[display_errors] = off
 php_admin_flag[log_errors] = on
+php_admin_flag[session.cookie_httponly] = on
+php_admin_flag[session.cookie_secure] = on
 php_admin_value[memory_limit] = 256M
 php_admin_value[post_max_size] = 512M
 php_admin_value[upload_max_filesize] = 512M