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WhatsApp Issue with Web Protection

M.Hegazy

hello everyone 

 

when ever i turn on web protection for a rule users who can use internet through this rule can use whatsapp application on there phones or web whatsapp

i tried to make a workaround for web whatsapp and created a top rule that allow access to web whatsapp and turned off web protection and that solved web whatsapp problem 

now my problem is with the application it self it wont work until i turn off the web protection 

although i made exception for it in the PROTECT>Web>Exceptions and checked the log viewer and it is all green and all http and https scan & Decrypt  are turned off 

is there any solution for this issue ?

thank you 



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  • 0 in reply to Michael Ploch1
    Can you please:
    Click Log Viewer
    Click the icon to go to detailed view
    Select the Module Web Filter.
    Reproduce the problem.
    The important thing is any red icon lines, and the context around them.  Please screenshot, copy paste, or download and attach the log.
     
    If there are no red lines, then just send whatever is there at the time the problem occurs.
  • 0 in reply to Michael Dunn

    I could log while the error/delay occured.

    Problem occured two times, please see below. There are NO red lines, but some entries right around the time the delay occurred. I am not sure what they tell me, or how to solve them. Logfile is clean as long as whatsapp runs smoothly. No idea why this temporarily works sometimes, sometimes not.

    If I deactivate my Web Policy error NEVER occurs. My policy at the moment only has a default "allow all" and a deny "url1, url2, etc.".

    I dont have any clue...

    Thank you in advance for any kind of help!

    community.sophos.com/.../log_5F00_whatsapp.xlsx

  • 0 in reply to Michael Ploch1

    No red lines means there was not a deliberate block, it does not mean there were not errors.

    See the lines that have status_code="502".  That's an error code.  Its either an error code that is generated by the WhatsApp server and being passed via the proxy, or it is one that the proxy itself is generating because it has a problem with the connection.

    The dst_ip looks fine and I suspect that pharming protection (the original thread, and something that is fixed) is not related.

     

    There are two courses of right now.  The first is to contact support and have them take a deeper look at your system, get debug level logs, etc.  That can better determine if there is a config issue, a code issue, or just a straight out incompatibility.

    The other is just say whatever and bypass the proxy for this type of connection.  Which you might need to do anyway based on the investigation.

    See https://community.sophos.com/kb/en-us/128173 section "Create a firewall rule for a website".

     

     

  • 0 in reply to Michael Dunn

    thanks a lot, Michael!

    Will try both ways you suggested. If both wont work I think I will contact support...

    Keeping you updated! Thanks a lot for assistance so far.

  • 0 in reply to Michael Ploch1

    hey

    i have contacted them yesterday and they replied to check log viewer and check if there is anything blocked by web protection filter

    and i have replied with there is not anything blocked and clarified all steps i took in attempt to solve the issue but still waiting for there answer

    please dont forget to feedback us with there reply

    thank you

  • 0 in reply to Michael Ploch1

    hello

    sorry for bringing this thread up again

    i was able to solve the problem one more time by add each category i want to block in separate rule inside the web policy

    once i did it the whatsapp application worked smoothly without delay

    try to do the same and let us know

    thanks

  • 0 in reply to M.Hegazy

    Interesting, I had the same issue withe Whatsapp I disabled the pharming protection created exceptions and allowed the ports it worked for a while then the problem reappeared as you all said the log viewer doesn't help at all with this problem it is not showing any problem or error

    I will try your method and let you know

  • 0 in reply to Wadood

    great

    try to do the same and let us know what happened

  • 0 in reply to M.Hegazy

    so I am not really making progress, thinking about opening a support case...

    If have tried everything I could imaginge but still could not make any progress. error still occurs as soon as I activate web protection.

    funnywhise those devices have a different error as soon as I deactivate the web policy, but that seems to be a different story.

    I really dont have a this complicated setup, i am really getting frustrated with that xg.  and obviously some of the solutions are working for some of us, but not for others... really confusing and log files do not help at all.

     

    anyone else making progress with that whatsapp piece of sh*t???

  • 0 in reply to Michael Ploch1

    It is the WhatsApp application doing HTTP requests to a WhatsApp server.  It may not be following normal HTTP standards.

     

    Can you try something:

    Go into the console (not ssh shell).  So in the menu choose (4 Device Console).

    show http
    set http add_via_header off
    set http relay_invalid_http_traffic on

     

    Try again.  If it is still broken, please revert the changes.

     

    Next thing would be to see if the problem is with other ports.  Are the ports listed here allowed through the firewall?

    https://www.quora.com/What-is-the-port-number-for-whatsapp

     

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