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NSA 3600 is spaming with DNS queries

TrautiTrauti Newbie ✭
in Mid Range Firewalls

Hi,

I have a NSa 3600 and setup a pi-hole just yesterday.

I started noticing that since last night the sonicwall made around 1mio requests.

It is almost 30 queries per second!


I can´t even look in the logs of the pi-hole, cause it will crash Q_Q

In the sonicwall, Rebinding Attack Prevention, Split DNS, DNS Proxy, Sinkhole Service are all disabled.

Anyone got an idea why there is so many queries?

sonicwall-dns-requests.png
overall-requests.png
Category: Mid Range Firewalls
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Answers

  • TKWITSTKWITS Community Legend ✭✭✭✭✭

    Why are you pointing your firewall to the pi-hole again?

  • ArkwrightArkwright Community Legend ✭✭✭✭✭

    I started noticing that since last night the sonicwall made around 1mio requests.

    Is that big number? DNS could be used for a lot of things on a Sonicwall. We don't know much about your network so it's hard to say if it's a big number or not.

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