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No secure connection issue even after selecting "no proxy"

  • 4 پاسخ
  • 6 have this problem
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  • آخرین پاسخ توسّط nikraf

nikraf
nikraf
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I decided to start using Firefox again, after ~6 months. Last time I had firefox on Windows 7 it worked fine. I opened it up and it won't load any secure sites at all. I upgraded to latest version, same thing. I went to my connection settings, for some reason "no proxy" wasn't selected, I've never used a proxy, though. I selected "no proxy", restarted, and the problem still persists. How do I fix it?

Thanks!

I decided to start using Firefox again, after ~6 months. Last time I had firefox on Windows 7 it worked fine. I opened it up and it won't load any secure sites at all. I upgraded to latest version, same thing. I went to my connection settings, for some reason "no proxy" wasn't selected, I've never used a proxy, though. I selected "no proxy", restarted, and the problem still persists. How do I fix it? Thanks!

Chosen solution

in case you're an avast user, please try to disable https scanning within avast:

  1. Open the Avast dashboard on the affected system.
  2. Select Settings from the left sidebar menu.
  3. Switch to Active Protection.
  4. Click on Customize next to Web Shield.
  5. Uncheck the "Enable HTTPS Scanning" option and click ok.

http://www.ghacks.net/2014/10/31/avasts-https-scanning-interferes-with-firefox-and-other-programs/

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All Replies (4)

philipp
philipp
  • Moderator
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hi, what kind of error messages/codes are you seeing when attempting to connect to https-sites & which security software are you suing on the device?

nikraf
nikraf Question owner
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philipp said

hi, what kind of error messages/codes are you seeing when attempting to connect to https-sites & which security software are you suing on the device?

An error occurred during a connection to apps.facebook.com. Peer's certificate has an invalid signature. (Error code: sec_error_bad_signature)

Thanks for the response. That's the exact message, with the header saying Secure Connection Failed

philipp
philipp
  • Moderator
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Chosen Solution

in case you're an avast user, please try to disable https scanning within avast:

  1. Open the Avast dashboard on the affected system.
  2. Select Settings from the left sidebar menu.
  3. Switch to Active Protection.
  4. Click on Customize next to Web Shield.
  5. Uncheck the "Enable HTTPS Scanning" option and click ok.

http://www.ghacks.net/2014/10/31/avasts-https-scanning-interferes-with-firefox-and-other-programs/

nikraf
nikraf Question owner
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philipp said

in case you're an avast user, please try to disable https scanning within avast:
  1. Open the Avast dashboard on the affected system.
  2. Select Settings from the left sidebar menu.
  3. Switch to Active Protection.
  4. Click on Customize next to Web Shield.
  5. Uncheck the "Enable HTTPS Scanning" option and click ok.
http://www.ghacks.net/2014/10/31/avasts-https-scanning-interferes-with-firefox-and-other-programs/

That was it. Thanks a lot dear friend :) Have a good day