Re: unrecognized: 'dns_children 15'

From: Duane Wessels <wessels@dont-contact.us>
Date: Fri, 31 Mar 2000 11:17:23 -0700

On Tue, 28 Mar 2000, Prashant Desai wrote:

> hello
>
> would u please tell me what is internal and externel dns lookups

external DNS lookups are performed by a number of dnsserver processes.
These use the gethostbyname() function from the C library. This
function blocks while doing the lookup, so it can't be inside
the main squid process -- it has to be external.

internal DNS lookup code generates and parses raw DNS messages
according to RFC1035. Since Squid sends and receives these
messages itself, it can be made non-blocking and kept internal.

Duane W.
Received on Fri Mar 31 2000 - 11:20:00 MST

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