DNS Filtering

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John Malon

• January 22, 2024 20:14

Team, How do I set up DNS filtering to only allow the DNS servers I specify and block all others, i.e. only allow AdGuard DNS Family protection servers 94.140.14.15 and 94.140.15.16 but block all other DNS servers. This would help to prevent users from using other DNS servers that may have more relaxed standards on undesirable content. Thank you!

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  Firewalla

  • January 22, 2024 20:28

  It is very simple; all you need to do is setup those two DNS servers via the Network -> LAN -> DNS section. Then all DNS requests will be sent to them on that LAN. 

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  Larry Papenfuss

  • August 07, 2024 16:08

  Will this method restrict / prevent end-users from utilizing 3rd-party DNS servers?  OR will I also need to implement a compensating firewall rule that will transparently redirect any outbound DNS request to the set DNS filtering servers?  If an additional Firewalla rule is required for this, will you provide an example?

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  Firewalla

  • August 07, 2024 21:13

  Firewalla will intercept all DNS requests, regardless what DNS services was used. If people use DoH, there is also a target list to block that. 

  See https://help.firewalla.com/hc/en-us/articles/4570608120979-Firewalla-DNS-Services

   

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