this post was submitted on 14 Jan 2024
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OPNsense

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All discussions about the open source, FreeBSD-based firewall called OPNsense.

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Ensure only defined DNS servers are used? (programming.dev)
submitted 8 months ago by [email protected] to c/[email protected]
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Hey all, recent convert from pfSense. I'm trying to make sure only the DNS servers I've defined are being used for lookups? I'm using Unbound and noticing a lot of traffic on port 53 to destinations other than the ones I've put in.

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[โ€“] [email protected] 3 points 8 months ago (1 children)

I do a dns redirect that redirects external 53 requests to an internal server.

Should be called a NAT redirect or firewall

[โ€“] [email protected] 1 points 8 months ago

Thanks, I might give that a go