[Samba] GetDC got invalid response type 21

Dan Borlovan danb at level7.ro
Mon Oct 9 11:45:44 GMT 2006


Volker Lendecke wrote:

> On Mon, Oct 09, 2006 at 11:56:14AM +0300, Dan Borlovan wrote:
>> First time I try ro resolve a domain user after samba/winbind is started, it
>> takes a couple of seconds during which winbind says the following
> 
> Can you send a sniff of those exchanges?

Argh. Cannot reproduce, now I get no answer from the 2003 server. This time I
get no reply from the server. Is this normal for a 2003 server or...?

send_mailslot: Sending to mailslot \MAILSLOT\NET\NTLOGON from CURS13<00> to
DATAGROUP<1c> IP 192.168.105.2
Did not receive packet for \MAILSLOT\NET\GETDC269A8C0
Did not receive packet for \MAILSLOT\NET\GETDC269A8C0
Did not receive packet for \MAILSLOT\NET\GETDC269A8C0
Did not receive packet for \MAILSLOT\NET\GETDC269A8C0
Did not receive packet for \MAILSLOT\NET\GETDC269A8C0


14:34:52.626271 IP (tos 0x0, ttl  64, id 0, offset 0, flags [DF], proto: UDP
(17), length: 305) curs
13.intranet.netbios-dgm > 192.168.105.2.netbios-dgm: [udp sum ok]
>>> NBT UDP PACKET(138) Res=0x110A ID=0x3E3D IP=10 (0xa).0 (0x0).0 (0x0).13 (0xd) Port=138 (0x8a) Le
ngth=263 (0x107) Res2=0x0
SourceName=CURS13          NameType=0x00 (Workstation)
DestName=DATAGROUP       NameType=0x1C (Unknown)

SMB PACKET: SMBtrans (REQUEST)
SMB Command   =  0x25
Error class   =  0x0
Error code    =  0 (0x0)
Flags1        =  0x0
Flags2        =  0x0
Tree ID       =  0 (0x0)
Proc ID       =  0 (0x0)
UID           =  0 (0x0)
MID           =  0 (0x0)
Word Count    =  17 (0x11)
TotParamCnt=0 (0x0)
TotDataCnt=104 (0x68)
MaxParmCnt=0 (0x0)
MaxDataCnt=0 (0x0)
MaxSCnt=0 (0x0)
TransFlags=0x0
Res1=0x0
Res2=0x0
Res3=0x0
ParamCnt=0 (0x0)
ParamOff=0 (0x0)
DataCnt=104 (0x68)
DataOff=91 (0x5b)
SUCnt=3 (0x3)
Data: (6 bytes)
[000] 01 00 00 00 02 00                                 \001\000\000\000\002\000
smb_bcc=126
Name=\MAILSLOT\NET\NTLOGON
Data Data: (104 bytes)
[000] 12 00 00 00 43 00 55 00  52 00 53 00 31 00 33 00
\022\000\000\000C\000U\000 R\000S\0001\0003\
000
[010] 00 00 43 00 55 00 52 00  53 00 31 00 33 00 24 00
\000\000C\000U\000R\000 S\0001\0003\000$\000
[020] 00 00 5C 4D 41 49 4C 53  4C 4F 54 5C 4E 45 54 5C  \000\000\MAILS LOT\NET\
[030] 47 45 54 44 43 32 36 39  41 38 43 30 00 80 00 00  GETDC269
A8C0\000\200\000\000
[040] 00 18 00 00 00 00 00 00  01 04 00 00 00 00 00 05
\000\030\000\000\000\000\000\000 \001\004\00
0\000\000\000\000\005
[050] 15 00 00 00 BB 36 BF 8F  20 52 AC BC 6F 71 D9 FA
\025\000\000\000\2736\277\217  R\254\274oq\3
31\372
[060] 01 00 00 00 FF FF FF FF
\001\000\000\000\377\377\377\377


-- 
Dan Borlovan
Level 7 Software


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