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I host two domains on my webserver. One uses HSTS (HTTP Strict Transport Security), the other does not. My webserver was misconfigured for a short period, thereby accidentally setting HSTS on the wrong website.

This has caused my Firefox to get all confused, and it insists on accessing the site using HTTPS, which is no good.

In chrome I can inspect the HSTS status for any given domain by going to chrome://net-internals/#hsts

Is there something equivalent in Firefox? I just need to delete on entry from the list...

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Try clearing all browsing data. –  Wk_of_Angmar Jan 22 '13 at 2:12
    
That worked, thanks! –  Jxtps Jan 23 '13 at 17:31
    
Accept that as the answer then. :) In the future if nobody makes it a proper answer, just feel free to make an answer for your own question and then accept that. –  Wk_of_Angmar Jan 23 '13 at 17:45

3 Answers 3

up vote 2 down vote accepted

Clear all browsing data from Firefox.

Ctrl+Shift+Del shortcut for Windows, or Firefox button -> History -> Clear recent history.

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For the sole reason that I just had the same issue (and not because I really like resurrecting old questions!), you can also open the History browser, find an entry for the site in question, right-click the and select Forget About This Site.

This will remove your history entries for that site only (including the HSTS setting), without affecting your other history settings.

You need to close all tabs for the site that you wish to forget first, otherwise the tab itself seems to remember.

(At least, it did for me, on FF26/Win32...)

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If you want to forget HSTS for a Web site in Firefox without loosing all browsing data you can edit permissions.sqlite with e.g. https://github.com/sqlitebrowser/sqlitebrowser/releases, filter permissions.sqlite for "sts/subd".

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