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SCF - Trusted application's outgoing traffic is sometimes blocked

pinkeyflower
Hi, I'm using Sophos Client Firewall 1.5.7. Recently I checked the logs and noticed in the allowed and blocked connections the same application, in this case Gw.exe. It is listed as Trusted in the Applications tab in the SCF configuration editor and I'm perplexed as to why some connections (only out connections are listed for Gw.exe) are blocked while others are allowed. I have checked some of the entries in the log and the allowed and blocked connections appear identical in the few that I have looked at (same remote port, remote address, protocol). How do I fix it so that all of the connections for Gw.exe are allowed? Thanks.
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    Hello CL,

    it's probably not a good idea to turn off application authentication. Anyway - if it is turned off you shouldn't get Invalid checksum as the reason. Did you stop and restart the application? Is there a corresponding entry under Events/New or modified applications?

    BTW: Is the application also listed in the applications tab (global rules have by default a lower priority than application rules)?

    Christian

    :9745
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  • 0

    Hello CL,

    it's probably not a good idea to turn off application authentication. Anyway - if it is turned off you shouldn't get Invalid checksum as the reason. Did you stop and restart the application? Is there a corresponding entry under Events/New or modified applications?

    BTW: Is the application also listed in the applications tab (global rules have by default a lower priority than application rules)?

    Christian

    :9745
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