>
> Hello!
>
> First post to this list, hope somebody can help me with this rather
> strange problem...
>
> First, this problem seems to be related to Microsofts service MSN
> Messenger. Earlier this evening I noticed that the CPU usage on the
> computer that runs squid (a P2 400Mhz with 256Mb RAM) was
> unusually high,
> and looking more closly I saw my squid process using ~85-90% CPU
> (according to top).
>
>...
You need this patch :
http://www.squid-cache.org/Versions/v2/2.5/bugs/#squid-2.5.STABLE7-half_closed_POST
M.
