drupal authentication

 After a recent upgrade to the Drupal verison that runs this web site, I could no longer authenticate to manage the site or post new content. 
 
After wondering what was up for a full day, I finally headed over to drupal.org to see if anyone else is reporting the problem. Well, Drupal forums to the rescue ... 
 
Depending on the configuration of your settings.php file, you may need to clear cookies in your browser that are stored by the site you are trying to log into. (It seems this is the case as of the 6.17 upgrade.)
 
To clear your site cookies in Firefox, go to Preferences (Mac) or Tools (Linux/Windows) and visit the Privacy tab. Click on the link to "remove individual cookies". Filter the list of cookies in the next window by typing the name of the site in question. Highlight cookies from that site and click the "Remove Cookie" button.
 
You should be good to go now!