Here you can see the default zoneminder.conf file.
In case you want to restore the original one: Here it is.
# Remember to enable cgi mod (i.e. "a2enmod cgi"). ScriptAlias /zm/cgi-bin "/usr/lib/zoneminder/cgi-bin" <Directory "/usr/lib/zoneminder/cgi-bin"> Options +FollowSymLinks +ExecCGI -MultiViews +SymLinksIfOwnerMatch AllowOverride All Require all granted </Directory> Alias /zm /usr/share/zoneminder/www <Directory /usr/share/zoneminder/www> Options Indexes FollowSymLinks <IfModule mod_dir.c> DirectoryIndex index.php </IfModule> </Directory> <Directory /usr/share/zoneminder/www/api> AllowOverride All </Directory>