I'm using win 2000. Therefor it is only Firefox12 . Now I get very often no opening of importent pages only the comment "ssl_error_no_cyher_overlap"
I only want to use win 2000. (No win xp no win7 never win10. Win10 ist beside win8 the terriblest user system I ever have seen. Sorry but I will never change my mind.) Therefore it only works firefox 12. Now I often get only the message "ssl_error_no_cyher_overlap" if I enter a page. It must!!!! be possible to get to this pages. Which addon or anything else is necessary???? What is the reason for this creasy function?
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The old Firefox 12.0 version likely only supports some old cipher suites and obsolete TLS versions for you to get this error on https:// sites.
With some work of the rather old EOL Windows 2000 (was EOL of July 13, 2010) you may be able to use Firefox 13.0 and later on it. Maybe even 45.9.0 ESR or 52 ESR. I doubt you will be able to use Firefox 53.0 or later as support for WinXP and Vista was dropped for 53.0+.
You can use these test pages to compare the ciphers offered by the server and the ciphers supported by your browser. If the error message is correct, there's no overlap:
Server: https://www.ssllabs.com/ssltest/ (allow 1-2 minutes to run)
Browser: https://www.ssllabs.com/ssltest/viewMyClient.html
One way to work around this would be to use a proxy server with a more up-to-date SSL suite. Possibly even security software that operates as a "man in the middle" would work, but I don't know if any currently runs on Windows 2000. Here's the idea:
Fx12 <= weak encryption => proxy <= strong encryption => server
And although XP was visually less appealing than Windows 2000, after the release of Service Pack 2, it was much more secure.
I'm curious.
The System Details list shows:
- Windows XP
- Firefox 53.0
The last Firefox version that works on XP is Firefox 52.
Are you using Firefox in XP compatibility mode in a Windows 7+ version or did you enter this data yourself?
irisches-bier, any updates on this?