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PR_END_OF_FILE_ERROR

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Hello Team, Recently after our Firefox browsers updated to version 69.0.3 (64-bit), we are unable to open some of our internal sites - the error received is Secure Connection Failed - PR_END_OF_FILE_ERROR. With other browsers like Chrome or Edge the issue is not presented - only with Mozilla. We tried creating new profile in Mozilla, checked the SSL and TLS settings of Mozilla also. Can you help us troubleshooting this ? Screenshot attached.

Hello Team, Recently after our Firefox browsers updated to version 69.0.3 (64-bit), we are unable to open some of our internal sites - the error received is Secure Connection Failed - PR_END_OF_FILE_ERROR. With other browsers like Chrome or Edge the issue is not presented - only with Mozilla. We tried creating new profile in Mozilla, checked the SSL and TLS settings of Mozilla also. Can you help us troubleshooting this ? Screenshot attached.
Attached screenshots

Modified by radostin.todorov

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Additional System Details

Installed Plug-ins

Only the default for the browser ones.

Application

  • User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/77.0.3865.120 Safari/537.36

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FredMcD
  • Top 10 Contributor
4261 solutions 59658 answers
https://www.bing.com/search?q=pr_end_of_file_error ''jamesafuf123 said]'' https://support.mozilla.org/en-US/questions/1264659#answer-1237475 my isp was blocking sites like that
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Question owner

The internal site was opening without problems - in Mozilla, before the latest update of the browser. And as I described - its opening without problem in other browsers - that makes me think that the ISP maybe has nothing related with the issue ?

The internal site was opening without problems - in Mozilla, before the latest update of the browser. And as I described - its opening without problem in other browsers - that makes me think that the ISP maybe has nothing related with the issue ?
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FredMcD
  • Top 10 Contributor
4261 solutions 59658 answers

Did you check out the Bing link?

Did you check out the Bing link?
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cor-el
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  • Moderator
17541 solutions 158611 answers

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..

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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