Author Topic: Avast is blocking connection to secure websocket  (Read 9144 times)

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Avast is blocking connection to secure websocket
« on: July 29, 2015, 09:35:03 AM »
Just installed v. 10.3.2223 Free Antivirus

I have now the problem, that I can not see some pages that require a secured websocket connection using CORS.
This page https://chess24.com/en/watch/live-tournaments uses socket.io 0.9.17 to load most of its dynamic content, but the websocket connection is not established properly.

If I exlude *chess24.com* from the web protection it is working.

I have this problems in chrome (Version 44.0.2403.107 m), Firefox (38.0.5) and Internet Explorer (11.0.9600)
Using Windows 7 x64 Professional.

IMO this is a bug and I would like to know how I can avoid running into this problem, without excluding all pages with a similar problem or even deactivating the entire web protection.

Thanks in advance
« Last Edit: July 29, 2015, 09:40:43 AM by lord2k »

Offline Asyn

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Re: Avast is blocking connection to secure websocket
« Reply #1 on: July 29, 2015, 09:38:03 AM »
Update to the latest version (10.3.2225): https://forum.avast.com/index.php?topic=173591.0
W8.1 [x64] - Avast Free AV 23.3.8047.BC [UI.757] - Firefox ESR 102.9 [NS/uBO/PB] - Thunderbird 102.9.1
Avast-Tools: Secure Browser 109.0 - Cleanup 23.1 - SecureLine 5.18 - DriverUpdater 23.1 - CCleaner 6.01
Avast Wissenswertes (Downloads, Anleitungen & Infos): https://forum.avast.com/index.php?topic=60523.0

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Re: Avast is blocking connection to secure websocket
« Reply #2 on: July 29, 2015, 09:45:48 AM »
I'm now on 10.3.2225 and the problem still exists.

Offline Asyn

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Re: Avast is blocking connection to secure websocket
« Reply #3 on: July 29, 2015, 09:47:53 AM »
- Which Avast..? (Free/Pro/IS/Premier)
- OS..? (32/64 Bit..? - which SP..?)
- Other security related software installed..?
- Which AV(s) did you use before Avast..?
W8.1 [x64] - Avast Free AV 23.3.8047.BC [UI.757] - Firefox ESR 102.9 [NS/uBO/PB] - Thunderbird 102.9.1
Avast-Tools: Secure Browser 109.0 - Cleanup 23.1 - SecureLine 5.18 - DriverUpdater 23.1 - CCleaner 6.01
Avast Wissenswertes (Downloads, Anleitungen & Infos): https://forum.avast.com/index.php?topic=60523.0

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Re: Avast is blocking connection to secure websocket
« Reply #4 on: July 29, 2015, 09:50:57 AM »
Free Antivirus 2015
Windows 7 Professional SP1 x64 + all windows updates
Didn't had any AV earlier, and deactivated security essentials real time protection immediately after installing avast

Offline Asyn

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Re: Avast is blocking connection to secure websocket
« Reply #5 on: July 29, 2015, 09:53:11 AM »
...and deactivated security essentials real time protection immediately after installing avast
First, be sure to get rid of all remnants of your prior installed AV(s)..!!
-> https://www.avast.com/faq.php?article=AVKB11#artTitle

Then:
1. Download Avast Free Antivirus: https://files.avast.com/iavs9x/avast_free_antivirus_setup.exe
2. Follow instructions: https://www.avast.com/uninstall-utility (Run this tool for all prior installed Avast versions..!!)
3. Reinstall Avast with the downloaded installer from point 1.
4. Reboot.
W8.1 [x64] - Avast Free AV 23.3.8047.BC [UI.757] - Firefox ESR 102.9 [NS/uBO/PB] - Thunderbird 102.9.1
Avast-Tools: Secure Browser 109.0 - Cleanup 23.1 - SecureLine 5.18 - DriverUpdater 23.1 - CCleaner 6.01
Avast Wissenswertes (Downloads, Anleitungen & Infos): https://forum.avast.com/index.php?topic=60523.0

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Re: Avast is blocking connection to secure websocket
« Reply #6 on: July 29, 2015, 10:02:20 AM »
Followed your instructions, but the problem persists.

To check I just went to https://chess24.com/en/watch/live-tournaments and the loader stays forever. Deactivating the web protection and it is working fine.

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Re: Avast is blocking connection to secure websocket
« Reply #7 on: July 29, 2015, 10:04:18 AM »
OK, does it work if you disable HTTPS-Scanning..?
W8.1 [x64] - Avast Free AV 23.3.8047.BC [UI.757] - Firefox ESR 102.9 [NS/uBO/PB] - Thunderbird 102.9.1
Avast-Tools: Secure Browser 109.0 - Cleanup 23.1 - SecureLine 5.18 - DriverUpdater 23.1 - CCleaner 6.01
Avast Wissenswertes (Downloads, Anleitungen & Infos): https://forum.avast.com/index.php?topic=60523.0

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Re: Avast is blocking connection to secure websocket
« Reply #8 on: July 29, 2015, 10:07:59 AM »
Yes, then the link is working..

I heard already from other users that they had this problems since ~1 week when using avast and want to browse chess24.com.

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Re: Avast is blocking connection to secure websocket
« Reply #9 on: July 29, 2015, 10:10:37 AM »
OK, wait for one of the devs, this might be a bug.
W8.1 [x64] - Avast Free AV 23.3.8047.BC [UI.757] - Firefox ESR 102.9 [NS/uBO/PB] - Thunderbird 102.9.1
Avast-Tools: Secure Browser 109.0 - Cleanup 23.1 - SecureLine 5.18 - DriverUpdater 23.1 - CCleaner 6.01
Avast Wissenswertes (Downloads, Anleitungen & Infos): https://forum.avast.com/index.php?topic=60523.0

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Re: Avast is blocking connection to secure websocket
« Reply #10 on: August 03, 2015, 08:42:18 PM »
Any news on this issue ?
This seems to be a very big problem on our website.

Offline Asyn

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Re: Avast is blocking connection to secure websocket
« Reply #11 on: August 04, 2015, 07:04:12 AM »
Any news on this issue ?
This seems to be a very big problem on our website.
No, but you can submit a ticket: https://support.avast.com/Tickets/Submit
W8.1 [x64] - Avast Free AV 23.3.8047.BC [UI.757] - Firefox ESR 102.9 [NS/uBO/PB] - Thunderbird 102.9.1
Avast-Tools: Secure Browser 109.0 - Cleanup 23.1 - SecureLine 5.18 - DriverUpdater 23.1 - CCleaner 6.01
Avast Wissenswertes (Downloads, Anleitungen & Infos): https://forum.avast.com/index.php?topic=60523.0

Offline MartinZ

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Re: Avast is blocking connection to secure websocket
« Reply #12 on: August 04, 2015, 03:55:29 PM »
Any news on this issue ?
This seems to be a very big problem on our website.

Hi,

you are the owner of https://chess24.com/en/watch/live-tournaments ?

We should fix this soon.

Martin

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Re: Avast is blocking connection to secure websocket
« Reply #13 on: August 06, 2015, 12:10:42 PM »
Just to let you know our users have exactly the same issues on our sites using websockets, including www.ludicash.com .

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Re: Avast is blocking connection to secure websocket
« Reply #14 on: August 10, 2015, 01:31:24 PM »
we have the same problem at www.sharelatex.com

avast don't seem to be fixing the issue.