Re: Questions on Squid (dnsserver) and DNS

Steve Snyder wrote:

> 2. So I can assume that dnsserver is almost always querying my local
> nameserver in preference to my ISPs servers? Good. I expect that the
> desired IP address will often be found in BIND's cache.

Yes.

> 3. The reconfiguring of Squid is related to DNS performance in that
> dnsserver will cache n IP numbers (1024 by default?) By reloading all
> the copies of dnsserver, that cached info is lost and must be regained
> in subsequent lookups by Squid.

It is Squid and BIND who caches dnsdata, not Squids dnsserver processes.
The dnsserver processes only act as non-blocking helpers calling
gethostbyname() or gethostbyaddr().

--
Henrik Nordstrom
Squid hacker