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Getting "Secure Connection Failed" message from all websites

  • 3 回覆
  • 1 有這個問題
  • 3 次檢視
  • 最近回覆由 cor-el

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I started to receive error messages when trying to access websites about a week ago. It only seems to be an issue with Firefox and doesn't appear on other browsers. I'm using Firefox version 92.0. I've had these messages appear:

"PR_END_OF_FILE_ERROR" (most common message)

"SSL_ERROR_RX_MALFORMED_ALERT"

"SSL_ERROR_RX_UNEXPECTED_APPLICATION_DATA"

When I click "Try Again" it will connect to the website, but it always fails to connect on the first attempt. This happens on every website, including Mozilla Support. I tried deleting browser history, refreshing Firefox in troubleshooting information, and uninstalling and reinstalling. Still getting the "Secure Connection Failed" messages.

I tried following some other threads about possible fixes (I'm not well versed in computer troubleshooting). I went to About:config and checked "security.enterprise_roots.enabled", which was set to true. I tried going into the Profile Folder and deleting the "cert9" file, which made no change. I have Avast Anti-Track, and found that it was disabled for Firefox. However neither enabling it or disabling it seemed to make a difference.

Is there anything else I can try to resolve this issue?

所有回覆 (3)

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Web search: https://www.bing.com/search?q=pr_end_of_file_error

radi.stoyanov said Turns out the option DNS over HTTPS is what caused the problem.

jamesafuf123 said https://support.mozilla.org/en-US/questions/1264659#answer-1237475 my ISP was blocking sites like that

cor-el said This usually means that Firefox wasn't able to find a cipher suites to use to connect to this server and reached the end of the list. There can be two possibilities: one is that the server is outdated and doesn't support modern cipher suites, another might be that the server only supports a few cipher suites and Firefox doesn't support any of these.

You can check your browser and possibly compare this with the server setup. https://www.ssllabs.com/ssltest/viewMyClient.html

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ssl_error_rx_malformed_alert https://support.mozilla.org/en-US/questions/1024043 I used the malwareBytes' Anti-Malware, and it worked perfectly, it solved my Problem . .


SSL_ERROR_RX_UNEXPECTED_APPLICATION_DATA https://support.mozilla.org/en-US/questions/1169369 In short, the problem is broken support for TLS1.3 in the corperate middleware.

A workaround is: 1. Go to about:config 2. Find setting 'security.tls.version.max' 3. Change value from '4' to '3'. ++++++++++++++++++++++++++++++++++++++++++++++++++++ There is security software like Avast, Kaspersky, BitDefender and ESET that intercept secure connection certificates and send their own.

https://support.mozilla.org/en-US/kb/firefox-cant-load-websites-other-browsers-can

https://support.mozilla.org/en-US/kb/firefox-and-other-browsers-cant-load-websites

https://support.mozilla.org/en-US/kb/secure-connection-failed-error-message

https://support.mozilla.org/en-US/kb/connection-untrusted-error-message

Websites don't load - troubleshoot and fix error messages

http://kb.mozillazine.org/Error_loading_websites

What do the security warning codes mean

有幫助嗎?

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What security software do you have?

This could be a problem with Avast Anti-Track, so if you use this software then try to disable it.

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