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Sophos UTM 9 blocking whatsapp completly

Karim malak

I found in the webfilter log this event:

2017:08:17-17:46:47 sophos httpproxy[5727]: id="0002" severity="info" sys="SecureWeb" sub="http" name="web request blocked" action="block" method="POST" srcip="100.0.0.97" dstip="" user="" group="" ad_domain="" statuscode="502" cached="0" profile="REF_HttProContaInterNetwo6 (Mobiles)" filteraction="REF_HttCffAllowForEit (mobiles )" size="0" request="0xd9145600" url="http://c.whatsapp.net/chat" referer="" error="Received invalid request from client" authtime="0" dnstime="0" cattime="130" avscantime="0" fullreqtime="30038442" device="0" auth="0" ua="Mozilla/5.0 (compatible; WAChat/1.2; +www.whatsapp.com/contact)" exceptions="" category="122" reputation="neutral" categoryname="Instant Messaging"

 

any help

 

Thanks



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  • 0

    Hi, Karim and Paul, and welcome to the UTM Community!

    With error="Received invalid request from client" in the log line, you will need to skip the Proxy for WhatsApp.  Also, you might try a Google on:

    site:community.sophos.com/products/unified-threat-management/f whatsapp

    Cheers - Bob

     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
    Sophos Certified Engineer - XG
    Gold Solution Partner since 2005
    MediaSoft, Inc. USA
  • 0 in reply to BAlfson

    Correct. Whatsapp MUST be excluded from the proxy (or at least from HTTPS scanning).

    Managing several Sophos UTMs and Sophos XGs both at work and at some home locations, dedicated to continuously improve IT-security and feeling well helping others with their IT-security challenges.

    Sometimes I post some useful tips on my blog, see blog.pijnappels.eu/category/sophos/ for Sophos related posts.

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