Re: [SQU] Squid problem (surely not!)

Is your DNS perform well ?

Alex Hudson wrote:

> Hi everyone.
>
> We're having a problem with our squid proxy. It was working fine until a
> couple of days ago, since when we started getting errors. The problem is
> that the connections don't seem to work well at all: we get "ERROR : The
> requested URL could not be retrieved (Read Timeout)", also, sometimes a
> connection denied. This error is being generated by squid. Often,
> pictures do not download fully either (cut off at some point), web pages
> also stop halfway. File downloads generally choke at about 5k, if not
> sooner.
>
> Stuff I have checked:
> * mailing list archive ;) no-one else seems to have something like
> this.
> * Squid. Tried stable-1, now on stable-4. No difference. Works on my
> machine, not on the server!
> * configuration file. I have copied my (working) configuration to the
> server, no joy.
> * file descriptors. Plenty available, lsof | wc -l counts around 800,
> 4096 available.
> * internet connection. Going direct (via masq) works, through squid it
> doesn't.
> * firewall. Turned it off. No different.
> * log files. Doesn't report any real errors; just the connection closed
> stuff.
>
> There are lots of "FIN_WAIT2" connections, if that's any help. Running
> on 2.2.16, RedHat edition ;) I'm running the same kernel, and squid
> works for me. Not much other software running on the server, certainly
> nothing that should interact. The squid proxy is sitting on the
> firewall, so all the masq packets are being routed through it anyway -
> it's just when we plug squid into the equation stuff starts going
> flakey.
>
> Does anyone have any ideas??
>
> Cheers,
>
> Alex Hudson.
> --
> Alex Hudson <hudson@ID-PRO.co.uk> * Open Source I.T.
> * ID-PRO UK Ltd. * 1 Benjamin Street * London EC1M 5QG
> * Tel. +44 (0) 20 7689 8448 * Fax +44 (0) 20 7689 8242
> * http://www.id-pro.co.uk/
>
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