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Re: squid_kerb_auth: Unspecified GSS failure (W2K8)

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Hi Mihail,

What does a klist -ekt <keytab> show ? ( I assume you use MIT Kerberos on the squid server)

What do you see with wireshark in the authentication header send to squid ?

Markus

"Mihail Lukin" wrote in message news:CAAmm_rZHZ8m1VbYF5mVW-ZbQYvOQhW0Nmf4saOp8GsY5x9KVJQ@xxxxxxxxxxxxxx...

I don't know why access-time is not being updated, but strace has
shown that keytab is being read successfully by squid_kerb_auth
process.

On Thu, Oct 31, 2013 at 8:15 AM, Mihail Lukin <mihail.lukin@xxxxxxxxx> wrote:
Hello, Markus!

Sorry for not mentioning it at once, KRB5_KTNAME is being exported in
/etc/sysconfig/squid and is readable by squid group. But there is
still something wrong with it: keytab's access time is not changed
neither when I restart squid not when I request an URL through the
proxy.

I think I should strace squid_kerb_auth to see what happens. Thanks
for the hint!

On Thu, Oct 31, 2013 at 12:53 AM, Markus Moeller
<huaraz@xxxxxxxxxxxxxxxx> wrote:
Hi Mihail,

  Did you use export KRB5_KTNAME to point to the right keytab ?  Is the
keytab readable by the user under which squid runs ?

Markus

"Mihail Lukin"  wrote in message
news:CAAmm_rZ8jNoeFMRGthiYeHQ+GgSfmySFnw8708dwdDVUW3=R_g@xxxxxxxxxxxxxx...

Hello,

I'm trying to configure Squid 3.1 to authenticate through AD with W2K8
DC with Kerberos. I used this how-to:
http://wiki.squid-cache.org/ConfigExamples/Authenticate/Kerberos on
CentOS 6 box that I've joined to domain with `net ads join`.

Now I'm getting the error in cache.log when I'm trying to visit any
URL through this proxy:

2013/10/30 17:07:41| squid_kerb_auth: DEBUG: Got 'YR base64 encoded
data' from squid (length: 2295).
2013/10/30 17:07:41| squid_kerb_auth: DEBUG: Decode 'base64 encoded
data' (decoded length: 1717).
2013/10/30 17:07:41| squid_kerb_auth: ERROR: gss_acquire_cred()
failed: Unspecified GSS failure.  Minor code may provide more
information.
2013/10/30 17:07:41| authenticateNegotiateHandleReply: Error
validating user via Negotiate. Error returned 'BH gss_acquire_cred()
failed: Unspecified GSS failure. Minor code may provide more information. '

I could not figure out what the "minor code" is... I googled a lot with no
luck.
Any help is very appreciated. Thanks in advance!




--
С уважением,
Михаил Лукин



--
С уважением,
Михаил Лукин





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