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I'm using Ubuntu 12.10 it's fully updated. Java & latest Flash Player that Adobe released is installed, and I'm using the nightly build of Mozilla Firefox 22.0a1. My country Filters Websites like facebook.com and youtube.com , but my problem isn't that. I can open youtube in HTTPS [video streaming won't function due to filtering] but at least i can search the youtube. but when i use https in firefox it gives me :

Secure Connection Failed
              An error occurred during a connection to youtube.com.

    SSL received a record that exceeded the maximum permissible length.

    (Error code: ssl_error_rx_record_too_long)

      The page you are trying to view cannot be shown because the authenticity of the received data could not be verified.
      Please contact the website owners to inform them of this problem. Alternatively, use the command found in the help menu to report this broken site.

my plugins and extensions are[which i believe don't have anything to do with my problem] : Omnibar, Firebug, Ghostery, DNT+, Adblock, Adblock+, Flash Video Downloader, FoxyProxy, Liquid Words, URLFIXer.

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closed as off-topic by Alvar, BuZZ-dEE, Radu Rădeanu, Braiam, mikewhatever Jan 11 at 21:25

This question appears to be off-topic. The users who voted to close gave these specific reasons:

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Try pinging facebook.com. It might be a corrupt DNS record, leading your to another IP. An IP that returns an invalid SSL certificate. I had this problem a while ago. –  Frederik Spang Mar 12 '13 at 8:31
    
Pinging facebook.com [173.252.110.27] with 32 bytes of data: i see no problem, by the way my main concern is about youtube.com in https. –  Mayhem Mar 12 '13 at 8:33
    
There is a plugin called Certificate Patrol. If your censors allow you to install it, it may give you the approriate diagnostics. To me, the error looks like a proxy is corrupting the YouTube certficate. –  zwets Mar 12 '13 at 12:09

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