I had a directory inside an Apache2 website that I needed to open for indexed browsing. But it always returned 403 errors. This old but still valid document explains how to solve 403 errors. Generally the first place you should look is /var/log/apache2/error_log. The usual reason is clients' IP address not allowed or file permission problems and there will be a line in the log. However in my situation there was absolutely no diagnostic.
Finally I figured the error must be generated by a RewriteRule. But which one? This page shows how to debug rewrite rules by enabling the log. Put it in say /etc/apache2/conf.d/rewrite.conf (Debian).
RewriteEngine On
RewriteLog "/var/log/apache2/rewrite.log"
RewriteLogLevel 3
It turned out to be a rule in Joomla!'s .htaccess that was blocking indexing on the directory. I also had to re-enable Options Indexes for that directory, as well modify .htaccess to comment out IndexIgnore *, since this cannot be overridden, and Options -Indexes blocks indexing already.
Remember to disable the rewrite log afterwards.
Finally I figured the error must be generated by a RewriteRule. But which one? This page shows how to debug rewrite rules by enabling the log. Put it in say /etc/apache2/conf.d/rewrite.conf (Debian).
RewriteEngine On
RewriteLog "/var/log/apache2/rewrite.log"
RewriteLogLevel 3
It turned out to be a rule in Joomla!'s .htaccess that was blocking indexing on the directory. I also had to re-enable Options Indexes for that directory, as well modify .htaccess to comment out IndexIgnore *, since this cannot be overridden, and Options -Indexes blocks indexing already.
Remember to disable the rewrite log afterwards.
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