On Thu, 12 Dec 1996, Samer Bohsali wrote:
> I'm using Squid 1.0.20 / Linux 2.0.25 / P5-100 / 64 MB RAM.
> It worked perfectly for 2 month. Then a strange thing happened last
> night. Checking the access.log file, I found LOTs of ERR_DNS_FAIL
> entries (following are some samples):
> I have "dns_children 6" in squid.conf, and the cache manager reports
> that the fifth was never used! (which means this is not a DNS blocking
> issue). The funny thing is that nslookup was able to resolve these names
> at the command line! The domains do exist!
I have seen this under 1.1b7 as well (haven't gotten around to
upgrading...). The problem, at least in my case, was that the first
dnsserver went south, only returning failures. I verified this by running
strace on the first and second dnsserver processes. The first was always
returning failures, while the second was working correctly. Unfortunately
this was a production server so I couldn't mess with it for more than a
couple of seconds. I killed the first dnsserver, the next one took over,
and everything was fine.
Kevin
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Kevin Fink <kevin@fink.com> N2H2, Creators of Bess
http://www.fink.com/ 1301 Fifth Avenue, Suite 1501
http://www.n2h2.com/ Seattle, WA 98101
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Received on Thu Dec 12 1996 - 09:38:07 MST
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