Is there any way to disable this \'feature\'?
For example, if a request is made to http://localhost/foo.html that I have specified to \'301\' to the roo
I have found a solution for this that works on Firefox 26, after having an obsolete redirect cached for over a month and a restart.
All cached pages, images and redirects for only that site will be removed from the cache. This lets you clear the redirect for your development website without clearing the rest of your cache.
As a side note, I think Firefox should only cache redirects for a few days at most. Caching them for over a month can make a simple mistake a big problem.