Re: Kerberos - Cannot decrypt ticket for HTTP

[David Touzeau <david@xxxxxxxxxxxxxx>]

Hi

perhaps this one
https://wiki.articatech.com/en/proxy-service/troubleshooting/gss-cannot-decrypt-ticket

Le 16/11/2022 à 05:11, Михаил a écrit :

Hi everybody,

 

Could you help me to setup my new squid server? I have a problem with keytab authorization.

 

2022/11/16 11:35:39| ERROR: Negotiate Authentication validating user. Result: {result=BH, notes={message: gss_accept_sec_context() failed: Unspecified GSS failure.  Minor code may provide more information. Cannot decrypt ticket for HTTP/uisproxy-rop.***.***.corp@***.***.CORP using keytab key for HTTP/uisproxy-rop.***.***.corp@***.**.CORP; }}

Got NTLMSSP neg_flags=0xe2088297

2022/11/16 11:35:40| ERROR: Negotiate Authentication validating user. Result: {result=BH, notes={message: gss_accept_sec_context() failed: Unspecified GSS failure.  Minor code may provide more information. Cannot decrypt ticket for HTTP/uisproxy-rop.***.***.corp@***.***.CORP using keytab key for HTTP/uisproxy-rop.***.***.corp@***.***.CORP; }}

 

# kinit -V -k -t /etc/squid/keytab/uisproxy-rop-t.keytab HTTP/uisproxy-rop.***.***.corp

Using default cache: /tmp/krb5cc_0

Using principal: HTTP/uisproxy-rop.***.***.corp@***.***.CORP

Using keytab: /etc/squid/keytab/uisproxy-rop-t.keytab

Authenticated to Kerberos v5

 

# klist -ke /etc/squid/keytab/uisproxy-rop-t.keytab

Keytab name: FILE:/etc/squid/keytab/uisproxy-rop-t.keytab

KVNO Principal

---- --------------------------------------------------------------------------

   3 uisproxy-rop-t$@***.***.CORP (arcfour-hmac)

   3 uisproxy-rop-t$@***.***.CORP (aes128-cts-hmac-sha1-96)

   3 uisproxy-rop-t$@***.***.CORP (aes256-cts-hmac-sha1-96)

   3 UISPROXY-ROP-T$@***.***.CORP (arcfour-hmac)

   3 UISPROXY-ROP-T$@***.***.CORP (aes128-cts-hmac-sha1-96)

   3 UISPROXY-ROP-T$@***.***.CORP (aes256-cts-hmac-sha1-96)

   3 HTTP/uisproxy-rop.***.***.corp@***.***.CORP (arcfour-hmac)

   3 HTTP/uisproxy-rop.***.***.corp@***.***.CORP (aes128-cts-hmac-sha1-96)

   3 HTTP/uisproxy-rop.***.***.corp@***.***.CORP (aes256-cts-hmac-sha1-96)

   3 host/uisproxy-rop@***.***.CORP (arcfour-hmac)

   3 host/uisproxy-rop@***.***.CORP (aes128-cts-hmac-sha1-96)

   3 host/uisproxy-rop@***.***.CORP (aes256-cts-hmac-sha1-96)

 

# klist -kt

Keytab name: FILE:/etc/squid/keytab/uisproxy-rop-t.keytab

KVNO Timestamp           Principal

---- ------------------- ------------------------------------------------------

   3 11/16/2022 11:30:50 uisproxy-rop-t$@***.***.CORP

   3 11/16/2022 11:30:50 uisproxy-rop-t$@***.***.CORP

   3 11/16/2022 11:30:50 uisproxy-rop-t$@***.***.CORP

   3 11/16/2022 11:30:50 UISPROXY-ROP-T$@***.***.CORP

   3 11/16/2022 11:30:50 UISPROXY-ROP-T$@***.***.CORP

   3 11/16/2022 11:30:50 UISPROXY-ROP-T$@***.***.CORP

   3 11/16/2022 11:30:50 HTTP/uisproxy-rop.***.***.corp@***.***.CORP

   3 11/16/2022 11:30:50 HTTP/uisproxy-rop.***.***.corp@***.***.CORP

   3 11/16/2022 11:30:50 HTTP/uisproxy-rop.***.***.corp@***.***.CORP

   3 11/16/2022 11:30:50 host/uisproxy-rop@***.***.CORP

   3 11/16/2022 11:30:50 host/uisproxy-rop@***.***.CORP

   3 11/16/2022 11:30:50 host/uisproxy-rop@***.***.CORP

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-- 
David Touzeau - Artica Tech France
Development team, level 3 support
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