This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Avatar for Username

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

Hierdie gesprek is in die argief. Vra asseblief 'n nuwe vraag as jy hulp nodig het.

Youtube: SSL_ERROR_NO_CYPHER_OVERLAP - An Addon may be the fault

AdolfHitler
AdolfHitler
more options

I recently installed the Firefox Addon: " Google search link fix 1.5.3 " from Wladimir Palant. It doesn't require a restart. But after a Flashplugin FF Crash due to having open too many Youtube Tabs, Youtube no longer works.

I get this error code: SSL_ERROR_NO_CYPHER_OVERLAP

I already uninstalled that Plugin but it still doesn't work. My guess is this addon must have messed up some configurations.

I already tried googling for solutions, but none have worked so far.

Thanks for reading

Greets AH

I recently installed the Firefox Addon: " Google search link fix 1.5.3 " from Wladimir Palant. It doesn't require a restart. But after a Flashplugin FF Crash due to having open too many Youtube Tabs, Youtube no longer works. I get this error code: SSL_ERROR_NO_CYPHER_OVERLAP I already uninstalled that Plugin but it still doesn't work. My guess is this addon must have messed up some configurations. I already tried googling for solutions, but none have worked so far. Thanks for reading Greets AH

All Replies (3)

jscher2000 - Support Volunteer
jscher2000 - Support Volunteer
  • Top 10 Contributor
more options

I don't see a reason for that extension to affect YouTube.

Do you use any other YouTube-related extensions, whether to control the use of HTML5 vs. Flash, or to intercept/save/download video streams?

You can check your Firefox settings to make sure you are allowing enough ciphers:

(1) In a new tab, type or paste about:config in the address bar and press Enter/Return. Click the button promising to be careful.

(2) In the search box above the list, type or paste TLS and pause while the list is filtered

(3) If you have any non-default settings (typically bolded and having a status of "user set"), you can make a note of the values in case they turn out to be important for some other reason, then right-click > Reset each prefer to its default value.

(4) In the search box above the list, type or paste security.ss and pause while the list is filtered

(3) If you have any non-default settings (typically bolded and having a status of "user set"), you can make a note of the values in case they turn out to be important for some other reason, then right-click > Reset each prefer to its default value.

It's okay to leave these set to false (this works around any servers that have not yet been fixed for the Logjam vulnerability):

  • security.ssl3.dhe_rsa_aes_128_sha => false
  • security.ssl3.dhe_rsa_aes_256_sha => false

Anything strange among those?

AdolfHitler
AdolfHitler Vraag-eienaar
more options

Thanks so much for taking your time and giving me such an indepth answer, much appreciated, jscher2000!

I thought this Addon could have messed up the configuration because it was the only thing that I have changed since Firefox gives me this error message when i'm trying to get on youtube.com

On Internet Explorer Youtube.com works as it should.

Anyway my installed Addons are: Adblock Plus Adblock Plus Popup-Addon Ad.Fly Skipper *WORKING* Ageless Disable Anti-Adblock Disable WebRTC RefControl

I tried to disable them all but it still doesn't work.

I also tried out two Translation addons, but uninstalled both.

The security.ss and TLS strings seem to be default values. I set 

   security.ssl3.dhe_rsa_aes_128_sha  &
   security.ssl3.dhe_rsa_aes_256_sha

to false.

I also tried this: http://www.ryananddebi.com/2014/12/10/bypassing-the-ssl_error_no_cypher_overlap-error-in-firefox-34/

I probably have to reset my profile

I also doubt it I have malware, I ran Malwarebytes Antimalware & Avast Browser Cleanup.

jscher2000 - Support Volunteer
jscher2000 - Support Volunteer
  • Top 10 Contributor
more options

Firefox no longer has a level "0" for TLS; that would have been SSLv3 and it has been completely removed. Not that YouTube uses it.

Do you use Avast's web filter? You might try disabling its filtering of HTTPS connections to see whether that makes any difference. Please see this article: How to troubleshoot security error codes on secure websites.

Can you think of any other intermediaries that might be involved? Any external "video catchers"?