On Fri, 25 Jun 2004, dravya wrote:
> When Squid does a DNS lookup, where does it save the cached entries? I know you can
> specify how many entries you want it to save but where does it actually save it on disk?
In memory only.
It relies on the DNS server for more long-term caching of DNS just as is
the case for all other applications (browsers etc..).
> In fact how does squid do DNS lookups? Squid is listening on port 3128 and a DNS lookup
> sends a udp packet on port 53. How does squid intercept such a lookup?
It does not.
In transparent caching both the browser and Squid makes a DNS lookup
asking your DNS server about the IP address of the requested site.
Regards
Henrik
Received on Mon Jul 26 2004 - 00:30:55 MDT
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