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DNS sinkhole:

BWCBWC Cybersecurity Overlord ✭✭✭


why on earth is SonicWall putting "" on the DNS sinkhole list?

Even the firewall appliance is not used as DNS resolver from the client and "Enforce DNS Proxy For All DNS Requests" is not enabled, is blocked by DNS sinkhole, which is a good thing in general, but odd in this case.

This applies to SonicOS, but probably others as well.


Category: Mid Range Firewalls


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    Hello Michael@BWC ,

    I have seen that in the past as well. Looks like it is being added to DNS sinkhole blacklist irrespective of the DNS servers used.

    This is related to Onedrive and seems to be a false positive. I think you should raise this issue with Support and let them take this forward.


    Shipra Sahu

    Technical Support Advisor, Premier Services

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