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Sent: Wednesday, August 17, 2011 9:11 AM
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Subject: EXT :Kerberos Digest, Vol 104, Issue 17
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Today's Topics:
1. WWW-Authenticate: Negotiate in Header (Dirk Heimann)
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Message: 1
Date: Tue, 16 Aug 2011 11:37:26 +0200
From: "Dirk Heimann" <[email protected]>
Subject: WWW-Authenticate: Negotiate in Header
To: <[email protected]>
Message-ID: <4E4A56760200003F00029DB0@Mclp3_server.wl>
Content-Type: text/plain; charset="ISO-8859-1"
Hi,
i have a problem with my SLES11SP1 Webserver. I want to use the Kerberos
authentication for SingleSignOn between my Windows ADS, Windows Client and
Linux Webserver. I have the /etc/krb5.conf configured and pushed the Kerberos
Ticket from my Windows ADS on the Linux Webserver. I also protected my
DocumentRoot with a .htaccess file. Now i want to access the webserver and get
a 401 error message. In the http trace i can't see the entry "WWW-Authenticate:
Negotiate" in the header.
A look into a functioning server errorlog shows me the following:
[Tue Aug 16 10:23:18 2011] [debug] src/mod_auth_kerb.c(1277): [client
10.43.2.33] Acquiring creds for [email protected]
[Tue Aug 16 10:23:18 2011] [debug] src/mod_auth_kerb.c(1424): [client
10.43.2.33] Verifying client data using KRB5 GSS-API
[Tue Aug 16 10:23:18 2011] [debug] src/mod_auth_kerb.c(1440): [client
10.43.2.33] Client didn't delegate us their credential
[Tue Aug 16 10:23:18 2011] [debug] src/mod_auth_kerb.c(1459): [client
10.43.2.33] GSS-API token of length 161 bytes will be sent back
[Tue Aug 16 10:38:08 2011] [debug] src/mod_auth_kerb.c(1667): [client
10.43.2.33] kerb_authenticate_user entered with user (NULL) and auth_type
Kerberos
[Tue Aug 16 10:38:08 2011] [debug] src/mod_auth_kerb.c(1667): [client
10.43.2.33] kerb_authenticate_user entered with user (NULL) and auth_type
Kerberos
[Tue Aug 16 10:38:08 2011] [debug] src/mod_auth_kerb.c(1277): [client
10.43.2.33] Acquiring creds for [email protected]
[Tue Aug 16 10:38:08 2011] [debug] src/mod_auth_kerb.c(1424): [client
10.43.2.33] Verifying client data using KRB5 GSS-API
[Tue Aug 16 10:38:08 2011] [debug] src/mod_auth_kerb.c(1440): [client
10.43.2.33] Client didn't delegate us their credential
[Tue Aug 16 10:38:08 2011] [debug] src/mod_auth_kerb.c(1459): [client
10.43.2.33] GSS-API token of length 161 bytes will be sent back
The errorlog of the faulty server is empty. Only in the access log I see one
401 messages:
10.43.2.33 - - [16/Aug/2011:10:47:12 +0200] "GET / HTTP/1.1" 401 1432 "-"
"Mozilla/5.0 (Windows; U; Windows NT 6.1; de; rv:1.9.2.18) Gecko/20110614
BTRS28059 Firefox/3.6.18"
It looks as if the Kerberos module is not used by the Apache.
Dirk
Westdeutsche Lotterie GmbH & Co. OHG | Sitz: M?nster
Registergericht: Amtsgericht M?nster
Handelsregister: M?nster HRA 4379
Gesch?ftsf?hrer: Theodor Go?ner
Vorsitzender des Beirates: Michael St?lting
Gesellschafter:
Nordwestlotto in Nordrhein-Westfalen GmbH | Sitz: M?nster
Registergericht: Amtsgericht M?nster
Handelsregister: HRB 3840
Gesch?ftsf?hrer: Theodor Go?ner
NRW.BANK | Sitz: D?sseldorf und M?nster
Rechtsform: Anstalt des ?ffentlichen Rechts
Registergerichte: Amtsgerichte D?sseldorf/M?nster
Handelsregister: D?sseldorf HRA 15277/M?nster HRA 5300
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