DNS cache poisoning - am I safe if I limit recursion to trusted local networks?

Grant Taylor gtaylor at tnetconsulting.net
Tue Jan 4 21:12:05 UTC 2022


On 1/4/22 4:37 AM, Ray Bellis wrote:
> Better yet, use BIND's mirror zones feature so that the zone is also 
> DNSSEC validated.

Completely agreed.  I think the type of authoritative information is 
somewhat independent of the fact that any authoritative information exists.

> IMHO, the strictures against running authoritative and recursive on the 
> same server seem to get mis-applied a lot of the time.  I think it's 
> perfectly fine for an *internal* recursive server to also hold 
> authoritative copies of your own zones.

Yep.  This is where I have settled.  But I don't feel I can defend it 
when asked.  Hence my seeking to better understand.



-- 
Grant. . . .
unix || die

-------------- next part --------------
A non-text attachment was scrubbed...
Name: smime.p7s
Type: application/pkcs7-signature
Size: 4017 bytes
Desc: S/MIME Cryptographic Signature
URL: <https://lists.isc.org/pipermail/bind-users/attachments/20220104/38416e88/attachment.bin>


More information about the bind-users mailing list