Hello,
I recently migrated my Apache web server from FreeBSD to Ubuntu Server and found an issue with URLs that point to a directory, but don't include the trailing slash, when going through our institution's load balancer. If I access directly (not going through the load balancer), everything works fine:
http://mywebserver.example.com/application
Above works as, from reading the mod_dir documentation, it redirects to
http://mywebserver.example.com/application/ (adds the trailing slash) and thus the application's index.php script
is executed.
My web server is fronted by our institution's load balancer which does SSL termination and then sends the request to my web server on port 81. I am not seeing the same behavior when accessing through our load balancer:
https://loadbalancer.example.com/application
The above doesn't work. It hangs, times out and then redirects to http://loadbalancer.example.com:81/application/
with a "This site can’t be reached" message. It does work if I explicitly add the slash to the URL in my browser:
https://loadbalancer.example.com/application/
The above works and executes the application's index.php script.
I contacted the admin of the load balancer and asked if there had been any changes to the settings, but he indicated that there wasn't and that there was no inspection, rule processing or manipulation of the URL on the load balancer end. When I had my web server on FreeBSD it worked, but I don't recall doing anything configuration-wise to make it work with our load balancer beyond making a virtual host that ran on port 81 and to listen on that same port. I don't have a copy of my config from my old FreeBSD host. :( My current virtual host config is pretty straight forward:
<VirtualHost *:81>
ServerName mywebserver.example.com:81
ServerAdmin username@xxxxxxxxxxx
DocumentRoot /var/www/html
ErrorLog ${APACHE_LOG_DIR}/error.log
CustomLog ${APACHE_LOG_DIR}/access.log combined
</VirtualHost>
I can share other parts of my Apache configuration if that helps. I spent my work day yesterday looking at Apache documentation, Google searches and testing various things in my configuration to resolve this issue.
- Gavin
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