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drop Web CFS DNS reply pkt

Enzino78Enzino78 Enthusiast ✭✭
in Entry Level Firewalls

Hello Community,

I've found some packet dropped by the firewall (TZ570, 7.0.1-5065) originating from google DNS 8.8.8.8 to our WAN IP firewall due to the cause reported in the object:

DROPPED, Drop Code: 712(Packet dropped - drop Web CFS DNS reply pkt), Module Id: 25(network), (Ref.Id: _723_iboemfXfcDgt) 1:1)

6470636f6e636f727369.6974.80h2efe2210.webcfs06.com

Google DNS is set as the first DNS Server IP in our WAN config. CFS is currently enabled and enforced

Any clue about a possibile cause?

Thanks

Category: Entry Level Firewalls
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Best Answer

  • CORRECT ANSWER
    MitatOngeMitatOnge All-Knowing Sage ✭✭✭✭
    edited June 2022 Answer ✓

    this is a blocked dns query by the CFS engine. :somebody is fetching blocked web site query from google dns.

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