Hello,

We are trying to setup a SAMBA-Server with users that have empty passwords.

We are using:
Samba 4.0.8
Kernel 3.10.5
Slackware 14.0 x64

When we set a password the login successes!

That's what we get when trying to login:

[2013/08/07 13:31:46,  3] 
../source4/auth/kerberos/krb5_init_context.c:80(smb_krb5_debug_wrapper)
  Kerberos: AS-REQ media1@BC from ipv4:10.0.99.100:62078 for krbtgt/BC@BC
[2013/08/07 13:31:46,  3] 
../source4/auth/kerberos/krb5_init_context.c:80(smb_krb5_debug_wrapper)
  Kerberos: Client sent patypes: 128
[2013/08/07 13:31:46,  3] 
../source4/auth/kerberos/krb5_init_context.c:80(smb_krb5_debug_wrapper)
  Kerberos: Looking for PKINIT pa-data -- media1@BC
[2013/08/07 13:31:46,  3] 
../source4/auth/kerberos/krb5_init_context.c:80(smb_krb5_debug_wrapper)
  Kerberos: Looking for ENC-TS pa-data -- media1@BC
[2013/08/07 13:31:46,  3] 
../source4/auth/kerberos/krb5_init_context.c:80(smb_krb5_debug_wrapper)
  Kerberos: No preauth found, returning PREAUTH-REQUIRED -- media1@BC
[2013/08/07 13:31:46,  3] 
../source4/smbd/service_stream.c:63(stream_terminate_connection)
  Terminating connection - 'kdc_tcp_call_loop: tstream_read_pdu_blob_recv() - 
NT_STATUS_CONNECTION_DISCONNECTED'
[2013/08/07 13:31:46,  3] ../source4/smbd/process_single.c:114(single_terminate)
  single_terminate: reason[kdc_tcp_call_loop: tstream_read_pdu_blob_recv() - 
NT_STATUS_CONNECTION_DISCONNECTED]
[2013/08/07 13:31:46,  3] 
../source4/auth/kerberos/krb5_init_context.c:80(smb_krb5_debug_wrapper)
  Kerberos: AS-REQ media1@BC from ipv4:10.0.99.100:62079 for krbtgt/BC@BC
[2013/08/07 13:31:46,  3] 
../source4/auth/kerberos/krb5_init_context.c:80(smb_krb5_debug_wrapper)
  Kerberos: Client sent patypes: encrypted-timestamp, 128
[2013/08/07 13:31:46,  3] 
../source4/auth/kerberos/krb5_init_context.c:80(smb_krb5_debug_wrapper)
  Kerberos: Looking for PKINIT pa-data -- media1@BC
[2013/08/07 13:31:46,  3] 
../source4/auth/kerberos/krb5_init_context.c:80(smb_krb5_debug_wrapper)
  Kerberos: Looking for ENC-TS pa-data -- media1@BC
[2013/08/07 13:31:46,  3] 
../source4/auth/kerberos/krb5_init_context.c:80(smb_krb5_debug_wrapper)
  Kerberos: Failed to decrypt PA-DATA -- media1@BC (enctype 
aes256-cts-hmac-sha1-96) error Decrypt integrity check failed for checksum type 
hmac-sha1-96-aes256, key type aes256-cts-hmac-sha1-96
[2013/08/07 13:31:46,  3] 
../source4/auth/kerberos/krb5_init_context.c:80(smb_krb5_debug_wrapper)
  Kerberos: Failed to decrypt PA-DATA -- media1@BC
[2013/08/07 13:31:46,  3] 
../source4/smbd/service_stream.c:63(stream_terminate_connection)
  Terminating connection - 'kdc_tcp_call_loop: tstream_read_pdu_blob_recv() - 
NT_STATUS_CONNECTION_DISCONNECTED'
[2013/08/07 13:31:46,  3] ../source4/smbd/process_single.c:114(single_terminate)
  single_terminate: reason[kdc_tcp_call_loop: tstream_read_pdu_blob_recv() - 
NT_STATUS_CONNECTION_DISCONNECTED]
[2013/08/07 13:31:46,  3] 
../source4/auth/kerberos/krb5_init_context.c:80(smb_krb5_debug_wrapper)
  Kerberos: AS-REQ media1@BC from ipv4:10.0.99.100:62080 for krbtgt/BC@BC
[2013/08/07 13:31:46,  3] 
../source4/auth/kerberos/krb5_init_context.c:80(smb_krb5_debug_wrapper)
  Kerberos: Client sent patypes: encrypted-timestamp, 128
[2013/08/07 13:31:46,  3] 
../source4/auth/kerberos/krb5_init_context.c:80(smb_krb5_debug_wrapper)
  Kerberos: Looking for PKINIT pa-data -- media1@BC
[2013/08/07 13:31:46,  3] 
../source4/auth/kerberos/krb5_init_context.c:80(smb_krb5_debug_wrapper)
  Kerberos: Looking for ENC-TS pa-data -- media1@BC
[2013/08/07 13:31:46,  3] 
../source4/auth/kerberos/krb5_init_context.c:80(smb_krb5_debug_wrapper)
  Kerberos: Failed to decrypt PA-DATA -- media1@BC (enctype 
aes256-cts-hmac-sha1-96) error Decrypt integrity check failed for checksum type 
hmac-sha1-96-aes256, key type aes256-cts-hmac-sha1-96
[2013/08/07 13:31:46,  3] 
../source4/auth/kerberos/krb5_init_context.c:80(smb_krb5_debug_wrapper)
  Kerberos: Failed to decrypt PA-DATA -- media1@BC
[2013/08/07 13:31:46,  3] 
../source4/smbd/service_stream.c:63(stream_terminate_connection)
  Terminating connection - 'kdc_tcp_call_loop: tstream_read_pdu_blob_recv() - 
NT_STATUS_CONNECTION_DISCONNECTED'
[2013/08/07 13:31:46,  3] ../source4/smbd/process_single.c:114(single_terminate)
  single_terminate: reason[kdc_tcp_call_loop: tstream_read_pdu_blob_recv() - 
NT_STATUS_CONNECTION_DISCONNECTED]

Does somebody know what we can do???

Thanks a lot in advance

Oliver




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