Can't authentice

[oracle]

Hi,

I getting strange errors at Apache log file:
----------------------------------------------------------------
src/mod_auth_kerb.c(1324): [client 10.0.10.144] kerb_authenticate_user
entered with user (NULL) and auth_type Kerberos
[Thu Jul 13 16:37:04 2006] [debug] src/mod_auth_kerb.c(1324): [client
10.0.10.144] kerb_authenticate_user entered with user (NULL) and
auth_type Kerberos
[Thu Jul 13 16:37:04 2006] [debug] src/mod_auth_kerb.c(1026): [client
10.0.10.144] Acquiring creds for HTTP/store.mebius.lv at TEST.LV
[Thu Jul 13 16:37:04 2006] [debug] src/mod_auth_kerb.c(1157): [client
10.0.10.144] Verifying client data using KRB5 GSS-API
[Thu Jul 13 16:37:04 2006] [debug] src/mod_auth_kerb.c(1173): [client
10.0.10.144] Verification returned code 589824
[Thu Jul 13 16:37:04 2006] [debug] src/mod_auth_kerb.c(1199): [client
10.0.10.144] Warning: received token seems to be NTLM, which isn't
supported by the Kerberos module. Check your IE configuration.
[Thu Jul 13 16:37:04 2006] [error] [client 10.0.10.144]
gss_accept_sec_context() failed: A token was invalid (Token header is
malformed or corrupt)
---------------------------------------------
Can anyone help? What is wrong?
Thank you!

regards,
Aigars