Filed under ‘Annoying things I keep forgetting how to fix…’:
Out of the box, Firefox has a feature designed to help people mis-typing URLs in the browser bar. It’s described in detail here, but briefly, if a URL fails to resolve, Firefox trys a couple of permutations of the URL to try find what you -might have- really intended, appending a
.com and/or prefixing a
www. to the host name portion of the URL to see if they resolve.
This feature was introduced way back in the early versions of Firefox, and has been annoying developers ever since. The feature means that often-times when a server running on
localhost fails to respond, Firefox decides to try
Now once you’ve fixed the problem with the server, you hit the reload button on Firefox, but it still doesn’t work, but this time it’s because Firefox has changed your URL to point at this bogus
To disable this ‘feature’ do the following:
about:configin the browser bar
browser.fixup.alternate.enabledin the search box that appears
- Right click on the
browser.fixup.alternate.enabledthat appears in the filtered list below and choose
Toggleto set the value to
- Problem fixed, breath out.