On 4/27/2021 12:14 PM, Grant Taylor via bind-users wrote:
and change resolve.conf to 127.0.0.1 for the best RBL performance.
How much effective performance difference does the loopback interface
(lo) vs the local LAN interface (eth0) make?
Similarly, how much effective performance difference does an on host
instance of BIND make vs across the LAN to another host in the same
site make?
I absolutely agree that a /local/ /to/ /the/ /network/ caching DNS
server is a boon for email. -- Definitely avoid simply relying on
big 3rd party resolvers across the Internet.
Agreed on the OT and good subject change.
For me, I wouldn't bind DNS to the eth0, just another attack surface
hence I would use local loopback.
Having a DNS on the lan is good too but caching on any mail server is
good. There are a lot of DNS queries for email and anti-spam.
But the key takeaway is don't use something like quad-8.
Regards,
KAM
--
*Kevin A. McGrail*
/CEO Emeritus/
*Peregrine Computer Consultants Corporation*
+1.703.798.0171 kmcgr...@pccc.com
https://pccc.com/ https://raptoremailsecurity.com
10311 Cascade Lane, Fairfax, Virginia 22032-2357 USA
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