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A question about data flow.

When I turn off the proxy, and go out to the net, I see the firewall rule for web surfing get listed as being hit, when looking at the live firewall log. 

When I turn on the proxy, and repeat the experiment, I do not see the firewall rule being used. 

I turned off the rule to allow web browsing, and left the proxy on. I could still browse the net. 

I am also wondering where the logic for app control comes in. Below is my expectation of how this flows.

Is this flow diagram correct?

{See modified image at the end of the thread}

If not, can you please help me to make it correct?

Thanks,
C68


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Parents
  • For return traffic, conntrack is considered before Country Blocking.  In this way, traffic requested may be received from a country blocked for inbound traffic.

    For outbound traffic, SSL encryption has to be after App Control.  For inbound traffic, I don't know if it is always applied or never, so #2 in Rulz may need to be changed.

    Cheers - Bob
     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
    Sophos Certified Engineer - XG
    Gold Solution Partner since 2005
    MediaSoft, Inc. USA
Reply
  • For return traffic, conntrack is considered before Country Blocking.  In this way, traffic requested may be received from a country blocked for inbound traffic.

    For outbound traffic, SSL encryption has to be after App Control.  For inbound traffic, I don't know if it is always applied or never, so #2 in Rulz may need to be changed.

    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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