Login process fails

Matthew Chapman m.chapman at student.unsw.edu.au
Fri Aug 21 06:12:53 GMT 1998


Andrew Tridgell wrote:

> > However in my experience NT still crashes even when this is fixed
> > (please feel free to try this as I may have made a mistake).
>
> exactly what do you have to do to reproduce this crash? nt domain
> logons seems to work for me so it isn't that.
>

The crash seems to occur anytime a roaming profile is stored on a Samba
server running the HEAD branch, regardless of whether or not it is set up
as a PDC. The same occurs if I point an account on an NT PDC to load its
profile from a Samba server.

> > Packet sniffing shows that NT replies quite differently (its reply is
> > below); indeed the fields don't seem to correspond to those in the
> > Samba code.
> >
> > (first part is PacketBoy's header)
> > 000 54 52 53 4E 49 46 46 20 64 61 74 61 20 20 20 20 TRSNIFF data
> > 010 1A 01 00 12 00 00 00 03 00 09 00 13 AF FF 24 04 ..............$.
> > 020 01 01 04 00 00 00 00 00 00 04 00 AA 00 00 00 82 ................
> > 030 90 0F 0E 00 00 9C 00 00 1C 00 00 00 00 00 40 33 .............. at 3
> > 040 98 CE 44 48 54 E8 25 BB 84 08 00 45 00 00 8E 0E ..DHT.%....E....
> > 050 3A 40 00 80 06 DD 2A 81 5E 86 25 81 5E 86 23 00 :@....*.^.%.^.#.
> > 060 8B 04 0F 00 55 B6 12 00 16 84 18 50 18 21 6C 44 ....U......P.!lD
> > 070 53 00 00 00 00 00 62 FF 53 4D 42 32 00 00 00 00 S.....b.SMB2....
> > 080 98 03 80 67 80 00 00 00 00 00 00 00 00 00 00 00 ...g............
> > 090 08 80 ED 00 08 C0 11 0A 02 00 26 00 00 00 02 00 ..........&.....
> > 0a0 38 00 00 00 26 00 3C 00 00 00 00 00 2B 00 00 00 8...&.<.....+...
> > 0b0 00 00 01 00 00 00 00 0E 00 00 00 00 70 02 00 00 ............p...
> > 0c0 00 00 00 00 70 02 00 00 00 00 00 3A 00 3A 00 24 ....p......:.:.$
> > 0d0 00 44 00 41 00 54 00 41 00 03 00 00 00 00 00    .D.A.T.A.......
>
> I'd prefer a raw tcpdump packet or a netmon capture ... I'm getting too
> old to stare at hexdumps! especially trans2 dumps, as they are
> particularly complex (two dumps can look quite different but actually
> be the same).

Sorry, I don't have a Linux box within sniffing distance of our NT PDC,
and I don't have an NT resource kit to get netmon from.

Any other suggestions where I could get these tools?

    Matt


--
Matt Chapman
E-mail: mattyc at cyberdude.com






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