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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?

#111

Genuinely, I cannot reproduce the issue. I ensured that both DoH (set to Cloudflare) and H3 are enabled but didn't hit the snag, so either Cloudflare has a buggy deployment or the hunch ( https://bugzilla.mozilla.org/show_bug.cgi?id=1749908#c6 ) that it's telemetry activating H3. Update: using Google's ( the horror ) DoH, and I didn't notice problems. Might just be CF having a bad H3 deployment, but I want to know wh…

Did you have telemetry disabled?

It sounds like users with telemetry disabled were not affected.

EDIT: https://bugzilla.mozilla.org/show_bug.cgi?id=1749908#c19 this is seemingly not the case, other HTTP/3 services can also trigger the same bug, telemetry just happens to be the most common / first to be triggered

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

#112
post #85

Genuinely, I cannot reproduce the issue. I ensured that both DoH (set to Cloudflare) and H3 are enabled but didn't hit the snag, so either Cloudflare has a buggy deployment or the hunch ( https://bugzilla.mozilla.org/show_bug.cgi?id=1749908#c6 ) that it's telemetry activating H3. Update: using Google's ( the horror ) DoH, and I didn't notice problems. Might just be CF having a bad H3 deployment, but I want to know wh…

I think it has been fixed, I didn't do any fixing on my own and it just worked after 20-30 minutes again

It goes up and down as long as that http3 setting is enabled, if you disable it it just works and continues to work.

I've had it working intermittently all morning but after that setting got set to false it never failed.

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

#114

It seems another workaround is disabling the collection of usage data: https://twitter.com/vanilla_chief/status/1481546294489489409 €: It seems telemetry does no longer triggers the bug as they've changed something on the server side? So this probably won't help anymore.

Can confirm this worked.

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

#115
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]

If only we had transporter tech, I would send you a keg.

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

#116

  Other workaround: Go to preferences -> Firefox Data Collection and uncheck everything. Then restart Firefox[0]
This might be better then disabling http3 as Firefox would stop working in the future when http2 is depreciated.

  [0] https://bugzilla.mozilla.org/show_bug.cgi?id=1749908#c6

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

#118
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]

Oh wow, thank you so much for this. I've been trying to troubleshoot this for hours but because my browser didn't work I never thought of checking HN to see if other people had this as well. Another score for automatic updates I guess.

I'm thankful to work in a team. As my IT dept has a habit of breaking stuff with AV and other crap-ware, I already asked if anyone else was having problems with Firefox after 5 minutes of trying to figure out what was wrong, after which someone pointed me to this thread
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