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TLS handshake for minutes, then fail. Computer restart always fixes

Pridané

This started when I installed V68 on my Mac (I'm on 68.0.2 now, Mac is 10.12.6). About half the time when I start my computer in the morning, when I try to browse *any* site (http or https), I get the TLS handshake attempt that lasts for several minutes, then connection fails.

BUT, *unlike other posts with this problem*, if I restart my computer (restarting FF does not fix it), all is well. A detail (not sure if relevant): the pages my (Comcast) server has local copies of, that is, my home page and a couple of very frequently accessed pages, I can access, but any other site, regardless of http or https, results in the TLS handshake "freeze 'n fail."

  • Edit: I just lost then, 10 mins later, regained my Comcast (internet, mail, cable). I did not re-start computer or FF, but when signal returned, I got the dreaded TLS Handshake Freeze 'N Fail. Again, computer restart let me come here to report.
This started when I installed V68 on my Mac (I'm on 68.0.2 now, Mac is 10.12.6). About half the time when I start my computer in the morning, when I try to browse *any* site (http or https), I get the TLS handshake attempt that lasts for several minutes, then connection fails. BUT, *unlike other posts with this problem*, if I restart my computer (restarting FF does not fix it), all is well. A detail (not sure if relevant): the pages my (Comcast) server has local copies of, that is, my home page and a couple of very frequently accessed pages, I can access, but any other site, regardless of http or https, results in the TLS handshake "freeze 'n fail." *Edit: I just lost then, 10 mins later, regained my Comcast (internet, mail, cable). I did not re-start computer or FF, but when signal returned, I got the dreaded TLS Handshake Freeze 'N Fail. Again, computer restart let me come here to report.

Upravil(a) ChrisG dňa

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Ďalšie informácie o systéme

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Aplikácie

  • Firefox 68.0.2
  • Identifikácia prehliadača: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.12; rv:68.0) Gecko/20100101 Firefox/68.0
  • URL adresa podpory: https://support.mozilla.org/1/firefox/68.0.2/Darwin/en-US/

Rozšírenia

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  • Dstocks 0.2.3.1-signed.1-signed (dstocks@dstocks.fr) (Neaktívny)

JavaScript

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Grafika

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FredMcD
  • Top 10 Contributor
4224 riešení 58930 odpovedí

Step 1) Have your ISP test your service.

Step 2) Start Firefox in Safe Mode {web link}

A small dialog should appear. Click Start In Safe Mode (not Refresh). Is the problem still there?

Step 1) Have your ISP test your service. Step 2) [https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-using-safe-mode Start Firefox in Safe Mode] {web link} A small dialog should appear. Click '''Start In Safe Mode''' (not Refresh). Is the problem still there?
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cor-el
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17414 riešení 157306 odpovedí

You can try to disable IPv6 (check for other possible causes as well).

You can try to disable IPv6 (check for other possible causes as well). *https://support.mozilla.org/en-US/kb/firefox-cant-load-websites-other-browsers-can
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FredMcD, starting in safe mode would not tell me if it 'solved' the incident. If I came up with good Internet, I could not tell if it is due to the restart alone or the restart>safe mode.

cor-el, how could IPv6 cause a 'variable' error? It seems that if that was the problem, simple restart would not help. Do I loose anything if I disable IPv6?

It seems to me in my lay-educated mind that it has something to do with the V68, since the problem started about when I upgraded to it. The 'common' solutions suggested here (and other similar suggestions in earlier forum posts) all seem to pertain to repeatable failures.

However, I have not confirmed if Safari has the problem at the same time. Next time I get a TLS handshake incident, I'll open Safari and see. I should have thought of that. :|

FredMcD, starting in safe mode would not tell me if it 'solved' the incident. If I came up with good Internet, I could not tell if it is due to the restart alone or the restart>safe mode. cor-el, how could IPv6 cause a 'variable' error? It seems that if that was the problem, simple restart would not help. Do I loose anything if I disable IPv6? It seems to me in my lay-educated mind that it has something to do with the V68, since the problem started about when I upgraded to it. The 'common' solutions suggested here (and other similar suggestions in earlier forum posts) all seem to pertain to repeatable failures. However, I have not confirmed if Safari has the problem at the same time. Next time I get a TLS handshake incident, I'll open Safari and see. I should have thought of that. :|
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Had another TLS handshake failure today. Safari had the same problem. Upon computer restart, FF and Safari were successful. Closing the browser does not fix the TLS handshake failure, only a computer restart is successful.

Since it happens in multiple browsers, is it possible that Firefox is temporarily affecting a system setting?

Or does this mean it's a Mac issue and I should ask Apple support?

Had another TLS handshake failure today. Safari had the same problem. Upon computer restart, FF and Safari were successful. Closing the browser does not fix the TLS handshake failure, only a computer restart is successful. Since it happens in multiple browsers, is it possible that Firefox is temporarily affecting a system setting? Or does this mean it's a Mac issue and I should ask Apple support?
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cor-el
  • Top 10 Contributor
  • Moderator
17414 riešení 157306 odpovedí

Try to disable IPv6 (check for other possible causes as well).

Try to disable IPv6 (check for other possible causes as well). *https://support.mozilla.org/en-US/kb/firefox-cant-load-websites-other-browsers-can
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Although it was labeled for if FF does not work but other browsers do? The problem was the same when I tried using Safari. Both browsers timed out in the TLS handshake.

Although it was labeled for if FF does not work but other browsers do? The problem was the same when I tried using Safari. Both browsers timed out in the TLS handshake.
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OK, I followed cor-el's link for IPv6 yesterday. This morning on startup, I had the TLS handshake time out again, and again with both FF and Safari. So IPv6 is not the issue. [I changed it back to False. "It" being disable.]

Once the TLS handshake fails, both browsers won't go anywhere. I'm reporting here after a re-start, as usual, which fixes the problem.

OK, I followed cor-el's link for IPv6 yesterday. This morning on startup, I had the TLS handshake time out again, and again with both FF and Safari. So IPv6 is not the issue. [I changed it back to False. "It" being disable.] Once the TLS handshake fails, both browsers won't go anywhere. I'm reporting here after a re-start, as usual, which fixes the problem.
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alex_mayorga
  • Top 25 Contributor
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360 riešení 2822 odpovedí

Hi Chris!

Might be worth checking https://caddyserver.com/docs/mitm-detection to see if something is meddling with your TLS connections.

Please let us know what you find.

Thanks!

Hi Chris! Might be worth checking https://caddyserver.com/docs/mitm-detection to see if something is meddling with your TLS connections. Please let us know what you find. Thanks!
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MTM Unlikely. I guess I'll call Apple support, unless there is another idea.

MTM Unlikely. I guess I'll call Apple support, unless there is another idea.
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