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Only allow WhatsApp

Bart van Kampen
Greetings,

We are trying to accomplish the following:
 - Allow WhatsApp
 - Deny everything else

We tried to do it with firewall rules, but WhatsApp uses a lot (a lot!) of DNS names, so this isn't very manageble.

We are now trying to do this with Application Control. So in the firewall an Deny Any Any rule, and in the Application Control allowing the WhatsApp service.

But this is working 50% of the time, sometimes when we open WhatsApp on our phones, we can text on WhatsApp. But we we close the app, and reopen WhatsApp, it isn't working. 

Does anybody have experience to only allow WhatsApp? If so, how did you do it? [:S]


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  • 0
    Interesting, Bart.  You've made me rethink and that several of us were incorrect in agreeing that Application Control came before manual firewall rules.  I've changed #2 in Rulz, acknowledging your work in the Changelog.

    In this case, I now think that you must do all of this with AppCtrl, using a block-all-categories rule after the WhatsApp allow rule.  Any luck with that?

    Cheers - Bob
     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
    Sophos Certified Engineer - XG
    Gold Solution Partner since 2005
    MediaSoft, Inc. USA
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  • 0
    Interesting, Bart.  You've made me rethink and that several of us were incorrect in agreeing that Application Control came before manual firewall rules.  I've changed #2 in Rulz, acknowledging your work in the Changelog.

    In this case, I now think that you must do all of this with AppCtrl, using a block-all-categories rule after the WhatsApp allow rule.  Any luck with that?

    Cheers - Bob
     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
    Sophos Certified Engineer - XG
    Gold Solution Partner since 2005
    MediaSoft, Inc. USA
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