Network logon when using Windows Dial-up Networking and Samba
Andrew Tridgell
tridge at samba.anu.edu.au
Sat Apr 25 14:20:08 GMT 1998
> As background, I could rarely, usually never, get a Win 95 box to do a
> logon in this situation. After recompiling pppd to include IPCP debugging,
> I have discovered what appears to be a bug in the Win 95 TCP/IP stack (and
> John Terpstra suggests the same bug is in WfW). The stack only ever asks
> for the secondary WINS server, it does not ask for the primary WINS server.
hmmm, well the other possibility is that it is a Linux pppd bug. Never
overlook the obvious :-)
Looking at the pppd code we see this:
case CI_MS_WINS1:
case CI_MS_WINS2:
/* Microsoft primary or secondary WINS request */
d = citype == CI_MS_WINS2;
if (ao->winsaddr[d] == 0 ||
cilen != CILEN_ADDR) { /* Check CI length */
orc = CONFREJ; /* Reject CI */
break;
}
oops ... when the client asks for WINS1 it actually gets the WINS2
address (if defined) and gets a reject if WINS2 isn't defined.
I'll tell Paul Mackerras (the PPP maintainer) about this. Meanwhile
your workaround will work.
> Also, note that some of the ppp samples refer to wins-addr. This is not
> correct. The correct syntax is as above.
yep, which is partly what made me suspicious that the pppd code for
WINS isn't all that well tested.
Cheers, Andrew
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