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Blocking SMTP Rule

SophosNewby

Is it possible to create a rule that drops any attempts on the firewall if it doesn't meet the Source IP. Similar to this below.



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    Hi  

    There is an implicit deny all in the Firewall Rules. Therefore, you can instead create an Allow Rule similar to what you have configured in the image, but specify the Source Network under Source Network and Devices. You would also change the Services as needed. This equates to allowing this WAN source in but blocking all other WAN to LAN traffic, unless specified.

    Cheers,
    Karlos

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  • 0

    Hi  

    There is an implicit deny all in the Firewall Rules. Therefore, you can instead create an Allow Rule similar to what you have configured in the image, but specify the Source Network under Source Network and Devices. You would also change the Services as needed. This equates to allowing this WAN source in but blocking all other WAN to LAN traffic, unless specified.

    Cheers,
    Karlos

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