RPZ for reverse lookups ?

J Doe general at nativemethods.com
Sat Aug 24 20:56:06 UTC 2019


Hello,

I have a basic question regarding RPZ on Bind 9.11.x.

Is it possible to re-write a response on a reverse lookup ?  For instance, if I considered example.com a “bad domain”, can I write a RPZ policy so that a reverse lookup of IP’s that map to example.com fails or is blocked ?

I know I can do this with a forward lookup to generate NXDOMAIN:

; Forward resolution of: example.com and subdomains generates: NXDOMAIN

example.com        IN CNAME .
*.example.com      IN CNAME .

…but can this also be done on reverse lookups ?

Thanks,

- J
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