[Richard Urwin <RUrwin@xxxxxxxxxxxxxx>]

It looks like this: see enclosure

So the Display Filter: smb.cmd == 0xd0
should do the trick.
(You probably can not do it with capture filters.)

--
Richard Urwin, Private
"No 9000 series computer has ever made a mitsake or corrubiteddatatato."



> -----Edited Original Message-----
> From: mark.haslam@xxxxxxxx [mailto:mark.haslam@xxxxxxxx]
> But are there any resources that will allow me to capture 
> data from Server
> Message Block Protocol or related ports.
> The reason for this is I am trying to find a way to capture 
> any user on my
> comp LAN sending NETSend messages across the network.



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Frame 563 (99 bytes on wire, 99 bytes captured)
    Arrival Time: Feb 20, 2003 15:58:57.856536000
    Time delta from previous packet: 0.000000000 seconds
    Time relative to first packet: 36.047050000 seconds
    Frame Number: 563
    Packet Length: 99 bytes
    Capture Length: 99 bytes
IEEE 802.3 Ethernet 
    Destination: 00:60:97:c8:21:fa (3Com_c8:21:fa)
    Source: 00:50:da:43:d0:f4 (INANA)
    Length: 85
Logical-Link Control
    DSAP: NetBIOS (0xf0)
    IG Bit: Individual
    SSAP: NetBIOS (0xf0)
    CR Bit: Command
    Control field: I, N(R) = 1, N(S) = 1 (0x0202)
        0000 001. .... .... = N(R) = 1
        .... .... 0000 001. = N(S) = 1
        .... .... .... ...0 = Information frame
NetBIOS
    Length: 14 bytes
    Delimiter: EFFF (NetBIOS)
    Command: Data Only Last (0x16)
    Flags: 0x04
        .... 0... = Acknowledge: Not set
        .... .1.. = Acknowledge with data: Allowed
        .... ..0. = Acknowledge expected: No
    Re-sync indicator: No re-sync
    Transmit Correlator: 0x0000
    Response Correlator: 0x0001
    Remote Session No.: 0x06
    Local Session No.: 0x0f
SMB (Server Message Block Protocol)
    SMB Header
        Server Component: SMB
        SMB Command: Send Single Block Message (0xd0)
        Error Class: Success (0x00)
        Reserved: 00
        Error Code: No Error
        Flags: 0x00
            0... .... = Request/Response: Message is a request to the server
            .0.. .... = Notify: Notify client only on open
            ..0. .... = Oplocks: OpLock not requested/granted
            ...0 .... = Canonicalized Pathnames: Pathnames are not canonicalized
            .... 0... = Case Sensitivity: Path names are case sensitive
            .... ..0. = Receive Buffer Posted: Receive buffer has not been posted
            .... ...0 = Lock and Read: Lock&Read, Write&Unlock are not supported
        Flags2: 0x0000
            0... .... .... .... = Unicode Strings: Strings are ASCII
            .0.. .... .... .... = Error Code Type: Error codes are DOS error codes
            ..0. .... .... .... = Execute-only Reads: Don't permit reads if execute-only
            ...0 .... .... .... = Dfs: Don't resolve pathnames with Dfs
            .... 0... .... .... = Extended Security Negotiation: Extended security negotiation is not supported
            .... .... .0.. .... = Long Names Used: Path names in request are not long file names
            .... .... .... .0.. = Security Signatures: Security signatures are not supported
            .... .... .... ..0. = Extended Attributes: Extended attributes are not supported
            .... .... .... ...0 = Long Names Allowed: Long file names are not allowed in the response
        Reserved: 000000000000000000000000
        Tree ID: 0
        Process ID: 0
        User ID: 0
        Multiplex ID: 0
    Send Single Block Message Request (0xd0)
        Word Count (WCT): 0
        Byte Count (BCC): 32
        Buffer Format: ASCII (4)
        Originator Name: INANA
        Buffer Format: ASCII (4)
        Destination Name: RIMMER
        Buffer Format: Data Block (1)
        Message Len: 14
        Message: test test test

Frame 565 (99 bytes on wire, 99 bytes captured)
    Arrival Time: Feb 20, 2003 15:58:57.856946000
    Time delta from previous packet: 0.000410000 seconds
    Time relative to first packet: 36.047460000 seconds
    Frame Number: 565
    Packet Length: 99 bytes
    Capture Length: 99 bytes
IEEE 802.3 Ethernet 
    Destination: 00:60:97:c8:21:fa (3Com_c8:21:fa)
    Source: 00:50:da:43:d0:f4 (INANA)
    Length: 85
Logical-Link Control
    DSAP: NetBIOS (0xf0)
    IG Bit: Individual
    SSAP: NetBIOS (0xf0)
    CR Bit: Command
    Control field: I, N(R) = 2, N(S) = 2 (0x0404)
        0000 010. .... .... = N(R) = 2
        .... .... 0000 010. = N(S) = 2
        .... .... .... ...0 = Information frame
NetBIOS
    Length: 14 bytes
    Delimiter: EFFF (NetBIOS)
    Command: Data Only Last (0x16)
    Flags: 0x00
        .... 0... = Acknowledge: Not set
        .... .0.. = Acknowledge with data: Not allowrd
        .... ..0. = Acknowledge expected: No
    Re-sync indicator: First 'DATA ONLY LAST' following 'Receive Outstanding'
    Transmit Correlator: 0x0000
    Response Correlator: 0x0001
    Remote Session No.: 0x06
    Local Session No.: 0x0f
SMB (Server Message Block Protocol)
    SMB Header
        Server Component: SMB
        SMB Command: Send Single Block Message (0xd0)
        Error Class: Success (0x00)
        Reserved: 00
        Error Code: No Error
        Flags: 0x00
            0... .... = Request/Response: Message is a request to the server
            .0.. .... = Notify: Notify client only on open
            ..0. .... = Oplocks: OpLock not requested/granted
            ...0 .... = Canonicalized Pathnames: Pathnames are not canonicalized
            .... 0... = Case Sensitivity: Path names are case sensitive
            .... ..0. = Receive Buffer Posted: Receive buffer has not been posted
            .... ...0 = Lock and Read: Lock&Read, Write&Unlock are not supported
        Flags2: 0x0000
            0... .... .... .... = Unicode Strings: Strings are ASCII
            .0.. .... .... .... = Error Code Type: Error codes are DOS error codes
            ..0. .... .... .... = Execute-only Reads: Don't permit reads if execute-only
            ...0 .... .... .... = Dfs: Don't resolve pathnames with Dfs
            .... 0... .... .... = Extended Security Negotiation: Extended security negotiation is not supported
            .... .... .0.. .... = Long Names Used: Path names in request are not long file names
            .... .... .... .0.. = Security Signatures: Security signatures are not supported
            .... .... .... ..0. = Extended Attributes: Extended attributes are not supported
            .... .... .... ...0 = Long Names Allowed: Long file names are not allowed in the response
        Reserved: 000000000000000000000000
        Tree ID: 0
        Process ID: 0
        User ID: 0
        Multiplex ID: 0
    Send Single Block Message Request (0xd0)
        Word Count (WCT): 0
        Byte Count (BCC): 32
        Buffer Format: ASCII (4)
        Originator Name: INANA
        Buffer Format: ASCII (4)
        Destination Name: RIMMER
        Buffer Format: Data Block (1)
        Message Len: 14
        Message: test test test

Frame 572 (67 bytes on wire, 67 bytes captured)
    Arrival Time: Feb 20, 2003 15:58:57.906770000
    Time delta from previous packet: 0.049824000 seconds
    Time relative to first packet: 36.097284000 seconds
    Frame Number: 572
    Packet Length: 67 bytes
    Capture Length: 67 bytes
IEEE 802.3 Ethernet 
    Destination: 00:50:da:43:d0:f4 (INANA)
    Source: 00:60:97:c8:21:fa (3Com_c8:21:fa)
    Length: 53
Logical-Link Control
    DSAP: NetBIOS (0xf0)
    IG Bit: Individual
    SSAP: NetBIOS (0xf0)
    CR Bit: Command
    Control field: I, N(R) = 3, N(S) = 3 (0x0606)
        0000 011. .... .... = N(R) = 3
        .... .... 0000 011. = N(S) = 3
        .... .... .... ...0 = Information frame
NetBIOS
    Length: 14 bytes
    Delimiter: EFFF (NetBIOS)
    Command: Data Only Last (0x16)
    Flags: 0x04
        .... 0... = Acknowledge: Not set
        .... .1.. = Acknowledge with data: Allowed
        .... ..0. = Acknowledge expected: No
    Re-sync indicator: No re-sync
    Transmit Correlator: 0x0000
    Response Correlator: 0x0001
    Remote Session No.: 0x0f
    Local Session No.: 0x06
SMB (Server Message Block Protocol)
    SMB Header
        Server Component: SMB
        SMB Command: Send Single Block Message (0xd0)
        Error Class: Success (0x00)
        Reserved: 00
        Error Code: No Error
        Flags: 0x00
            0... .... = Request/Response: Message is a request to the server
            .0.. .... = Notify: Notify client only on open
            ..0. .... = Oplocks: OpLock not requested/granted
            ...0 .... = Canonicalized Pathnames: Pathnames are not canonicalized
            .... 0... = Case Sensitivity: Path names are case sensitive
            .... ..0. = Receive Buffer Posted: Receive buffer has not been posted
            .... ...0 = Lock and Read: Lock&Read, Write&Unlock are not supported
        Flags2: 0x0000
            0... .... .... .... = Unicode Strings: Strings are ASCII
            .0.. .... .... .... = Error Code Type: Error codes are DOS error codes
            ..0. .... .... .... = Execute-only Reads: Don't permit reads if execute-only
            ...0 .... .... .... = Dfs: Don't resolve pathnames with Dfs
            .... 0... .... .... = Extended Security Negotiation: Extended security negotiation is not supported
            .... .... .0.. .... = Long Names Used: Path names in request are not long file names
            .... .... .... .0.. = Security Signatures: Security signatures are not supported
            .... .... .... ..0. = Extended Attributes: Extended attributes are not supported
            .... .... .... ...0 = Long Names Allowed: Long file names are not allowed in the response
        Reserved: 000000000000000000000000
        Tree ID: 0
        Process ID: 0
        User ID: 0
        Multiplex ID: 0
    Send Single Block Message Request (0xd0)
        Word Count (WCT): 0
        Byte Count (BCC): 0