Prior to upgrading to Joomla 2.5.27 and Admin Tools 3.2.0, attempts to login at http://mysite.com/administrator were redirected to the site homepage. After upgrading to 2.5.27 and 3.2.0, the Joomla admin login page is visible at the default admin URL. I had not made any changes to the web application firewall. Upon inspection of the WAF settings and the .htaccess file, all settings are the same as before the upgrade. Search Engine Friendly URLs and Use URL Rewriting are set to Yes in the Joomla! Global Configuration page. I do not have any menu item with an alias which is the same as this option. The problem remains after:
- Deleting the secret parameter, saving, exiting, and then recreating the secret parameter.
Accessing the default admin login from an IP not on the Whitelist. No security exception is logged for these attempts.
Disabling the "Allow administrator access only to the IPs in Whitelist."
Clearing the IPs in the Whitelist.
Clearing the browser cache.
I performed the upgrade on two versions of the site on two different IPs. Both upgraded versions exhibit the same problematic behavior.
Your help resolving this would be very much appreciated.
Thanks.