firefox cannot connect to any website, other browsers can?

[Thomas Kaiser]

On 13.01.22 11:16, Bo Berglund wrote:
> On Thu, 13 Jan 2022 09:48:57 +0100, "M. Fioretti" <mfioretti at nexaima.net> wrote:
> 
>> Hello all,
>>
>> I am running Firefox 95.01. on an Ubuntu 21.04 64-bit box. All of a
>> sudden, for no visible reason, Firefox stopped connecting to any
>> website, including some that are surely online, e.g. cnn.com, google,
>> etc..
>>
>> It is the browser, because on the same box, in the same moment, I can
>> connect to the same websites with Tor, w3m, or use email, ssh and
>> anything else that uses an internet connection. So, what could it be?
>>
>> TIA for any feedback,
>> 			Marco
> FWIW:
> Today I woke up and wanted to use my FireFox to see the news.
> Firefox was open already since yesterday with a number of windows and each with
> a number of tabs, not unusual for me.
> 
> But when I refreshed the news page it started to show the "working" symbol and
> never stopped. No news..
> So I opened a new Firefox window to go to my router in order to check if it had
> lost Internet connectivity, but it could not even reach the router on the LAN.
> 
> Meanwhile ssh sessions to various Linux devices on my LAN worked just fine.
> 
> So I killed Firefox (all of the windows) and started over, and now everything
> seemingly works fine. But it announced that I was now running a new version of
> Firefox!
> 
> So I shrugged it off as "one of those things" until I saw your post, it seems
> very strange that we would experience the exact same behaviour at the same time
> being nowhere related to each other...
> 
> Can you tell if on restart of Firefox you also got the welcome page to the new
> FireFox version? The version I now have is 96.0, what it was earlier is too late
> to check.
> 
> 
> 
Same happened to me this morning on 2 different machines.
Internet connection was up. But Firefox did not update the pages.
On the first machine, I did restart Firefox and everything was back to normal.
Same thing on the second machine. After restarting Firefox, Firefox worked again.

Thomas