How to avoid ERR_SSL_VERSION_OR_CIPHER_MISMATCH

Posted: 28 January 2015 in ITsec, Microsoft
Tags: , , ,

1. In Firefox open about:config

2. Filter “tls”

3. Find and change “security.tls.version.min” from 1 to 0

4. Find ang change “security.tls.version.fallback-limit” from 1 to 0

… or use teh script:

cd /D "%APPDATA%\Mozilla\Firefox\Profiles\*.default"
echo user_pref("security.tls.version.min", "1");>>prefs.js
echo user_pref("security.tls.version.fallback-limit", "1");>>prefs.js
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