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Re: Kerberos auth - Low performence

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Hi Wladner,

If you use MIT Kerberos you could try to disable the replay cache

Kerberos can keep a replay cache to detect the reuse of Kerberos tickets (usually only possible in a 5 minute window) . If squid is under high load with Negotiate(Kerberos) proxy authentication requests the replay cache checks can create high CPU load. If the environment does not require high security the replay cache check can be disabled for MIT based Kerberos implementations by adding the following to the startup script


KRB5RCACHETYPE=none
export KRB5RCACHETYPE


as described here http://wiki.squid-cache.org/ConfigExamples/Authenticate/Kerberos.

Markus


"Wladner Klimach" <wladner@xxxxxxxxx> wrote in message news:CAP3mw_ESUYhzyotUyLOnt91yYkQH0yRmmdgfxWXbmwRTnsFHiw@xxxxxxxxxxxxxx...
Hey people,

i'm runing squid-3.1 with negotiate with squid_kerb_auth program. The
only problem is that it's generating slowlyness for browsing sites.
Could anyone point some article of tunning squid with kerberos?

regards,

Wladner





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