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Ask HN: Firefox connection problems after enabling DoH?

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Re: Ask HN: Firefox connection problems after enabling DoH?

#31

Post by ghusto »

I feel a symptom I've been having for a couple of days could be related, but I can't be sure: There's a site I can only access via a personal VPN connection. If I try to access it while on the VPN, it works immediately. If I try to access it off the VPN, realise it's not accessible because I'm not on the VPN, connect to the VPN and try again, it takes a good 30s to a minute to get to.

Feels like Firefox waits some amount of time before making fresh attempts to a previously failed site, possibly due to some caching.

Re: Ask HN: Firefox connection problems after enabling DoH?

#33

Post by shafyy »

jbaiter wrote: post #6

What worked for me was disabling HTTP3 support with the 'network.http.http3.enabled' key in about:config and then restarting Firefox. Seems like it's stuck in the 'SocketThread', repeatedly doing this: 2022-01-13 08:20:53.075936 UTC - [Parent 4106991: Socket Thread]: V/nsHttp Http3Stream::OnReadSegment count=333 state=4 [this=7f6e295623a0]

Thanks a lot! Do we need to enable this again later when they fixed it?

Re: Ask HN: Firefox connection problems after enabling DoH?

#34

Post by rnd0 »

jbaiter wrote: post #6

What worked for me was disabling HTTP3 support with the 'network.http.http3.enabled' key in about:config and then restarting Firefox. Seems like it's stuck in the 'SocketThread', repeatedly doing this: 2022-01-13 08:20:53.075936 UTC - [Parent 4106991: Socket Thread]: V/nsHttp Http3Stream::OnReadSegment count=333 state=4 [this=7f6e295623a0]

I did this, posted my earlier comment, then re-enabled that to see if I would be able to load pages or not and I was.

The other thing I noticed was that previously when I looked in taskmgr (windows 10) there were 4 or 5 firefox processes going on -but when I went to close firefox after setting that to false there were not.

I'll close and check again but I'm wondering if simply setting it to false once doesn't allow it to perform some update or something that lets it get back to behaving normally? Like unsticking a log jam?

[edit]Forget I said anything. When I restarted and tried to reload HN it hung again. I had to disable network.http.http3.enabled in order come back and edit this comment.

Re: Ask HN: Firefox connection problems after enabling DoH?

#35

Post by picture »

ghusto wrote: post #31

I feel a symptom I've been having for a couple of days could be related, but I can't be sure: There's a site I can only access via a personal VPN connection. If I try to access it while on the VPN, it works immediately. If I try to access it off the VPN, realise it's not accessible because I'm not on the VPN, connect to the VPN and try again, it takes a good 30s to a minute to get to. Feels like Firefox waits some am…

Did you try the more aggressive shortcut ctrl + shift + R / F5? (Not sure if it was this hotkey exactly)

Re: Ask HN: Firefox connection problems after enabling DoH?

#37

Post by dantondwa »

And here I go explaining my friends and family I helped switch to Firefox that the browser I've installed on their computers got broken at the beginning of a new day while Edge and Chrome work fine... personally, I know very well bugs happen and I'm not mad, but this certainly hurts the confidence in it for the non-tech people.

Re: Ask HN: Firefox connection problems after enabling DoH?

#38

Post by jesperlang »

jbaiter wrote: post #6

What worked for me was disabling HTTP3 support with the 'network.http.http3.enabled' key in about:config and then restarting Firefox. Seems like it's stuck in the 'SocketThread', repeatedly doing this: 2022-01-13 08:20:53.075936 UTC - [Parent 4106991: Socket Thread]: V/nsHttp Http3Stream::OnReadSegment count=333 state=4 [this=7f6e295623a0]

Wow thank you! I was bangning my head against the wall, restarting my computer, disabling extensions, etc. This worked like a charm :)
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