On Sun, Feb 08, 2009 at 03:37:20PM +0800, jan gestre wrote: > On Sun, Feb 8, 2009 at 3:05 PM, Victor Duchovni > <victor.ducho...@morganstanley.com> wrote: > > On Sun, Feb 08, 2009 at 02:55:28PM +0800, jan gestre wrote: > > > >> Where is the best place to put the DNS caching resolver? in the NAT > >> device? or in the Mail Server itself? > > > > What kind of NAT device is this? Is it capable of running a non-forwarding > > DNS cache? If the cache in question has sufficiently good port > > randomization, by all means run on the NAT device, otherwise run it > > on the Postfix server, and hope the NAT device port selection is not > > too predictable. > > > > It's a lightweight FreeBSD based firewall called "pfSense", it also > has an installable TinyDNS package.
TinyDNS is an authoritative DNS server, you need a cache, is Dnscache also available? If so, that would be perfect, otherwise, you just install a DNS cache on your Postfix server. See: http://forum.pfsense.org/index.php?topic=10431.0 Anyway, this question is best asked on the pfSense lists, I know nothing more about this than what Google turns up... http://www.google.com/search?q=pfSense+Kaminsky+DNS -- Viktor. Disclaimer: off-list followups get on-list replies or get ignored. Please do not ignore the "Reply-To" header. To unsubscribe from the postfix-users list, visit http://www.postfix.org/lists.html or click the link below: <mailto:majord...@postfix.org?body=unsubscribe%20postfix-users> If my response solves your problem, the best way to thank me is to not send an "it worked, thanks" follow-up. If you must respond, please put "It worked, thanks" in the "Subject" so I can delete these quickly.