Connecting pppd to NT server without chap/ms-chap

Connecting pppd to NT server without chap/ms-chap

Post by Chris Dai » Thu, 18 Nov 1999 04:00:00



I am trying to connect to an NT ISP that doesn't use chap or mschap.
I can't seem to figure out what I am doing wrong.
here are the options I am using even though i have tried many others as
well.
    lock
    crtscts
    defaultroute
    noauth
    silent
    passive
    noipdefault
    receive-all

When it connects, I get a loop back.
I receive an IP address but it doesn't do anything with it,
Nov 16 22:48:15 Tardis pppd[663]: rcvd [IPCP ConfReq id=0x6 <compress VJ 0f
00> <addr 207.179.135.2>]
(full debug below)

If you can help it would be greatly appreciated.

thanks

chris

here is the debug:

Nov 16 22:47:49 Tardis pppd[663]: pppd 2.3.10 started by root, uid 0
Nov 16 22:47:50 Tardis chat[664]: abort on (BUSY)
Nov 16 22:47:50 Tardis chat[664]: abort on (NO CARRIER)
Nov 16 22:47:50 Tardis chat[664]: abort on (NO DIALTONE)
Nov 16 22:47:50 Tardis chat[664]: abort on (Login incorrect)
Nov 16 22:47:50 Tardis chat[664]: send (ATZ^M)
Nov 16 22:47:50 Tardis chat[664]: expect (OK)
Nov 16 22:47:50 Tardis chat[664]: ATZ^M^M
Nov 16 22:47:50 Tardis chat[664]: OK
Nov 16 22:47:50 Tardis chat[664]:  -- got it
Nov 16 22:47:50 Tardis chat[664]: send (ATDT6490200^M)
Nov 16 22:47:51 Tardis chat[664]: expect (CONNECT)
Nov 16 22:47:51 Tardis chat[664]: ^M
Nov 16 22:48:10 Tardis chat[664]: ATDT6490200^M^M
Nov 16 22:48:10 Tardis chat[664]: CONNECT
Nov 16 22:48:10 Tardis chat[664]:  -- got it
Nov 16 22:48:10 Tardis chat[664]: send (^M)
Nov 16 22:48:10 Tardis chat[664]: expect (sername:)
Nov 16 22:48:10 Tardis chat[664]:  45333/ARQ/V90/LAPM/V42BIS^M
Nov 16 22:48:11 Tardis chat[664]: ^Mauthorization, ...^M
Nov 16 22:48:11 Tardis chat[664]: Please wait....^M
Nov 16 22:48:11 Tardis chat[664]: ^M
Nov 16 22:48:11 Tardis chat[664]: ^M
Nov 16 22:48:11 Tardis chat[664]: username:
Nov 16 22:48:11 Tardis chat[664]:  -- got it
Nov 16 22:48:11 Tardis chat[664]: send (DAIL^M)
Nov 16 22:48:11 Tardis chat[664]: expect (assword:)
Nov 16 22:48:11 Tardis chat[664]: DAILD^MAIL^M
Nov 16 22:48:11 Tardis chat[664]: Password:
Nov 16 22:48:11 Tardis chat[664]:  -- got it
Nov 16 22:48:11 Tardis chat[664]: send (**pass here**^M)
Nov 16 22:48:11 Tardis pppd[663]: Serial connection established.
Nov 16 22:48:11 Tardis pppd[663]: Using interface ppp0
Nov 16 22:48:11 Tardis pppd[663]: Connect: ppp0 <--> /dev/ttyS1
Nov 16 22:48:14 Tardis pppd[663]: rcvd [LCP ConfReq id=0x2 <mru 1500>
<asyncmap 0xffffffff> <magic 0x2924e4be> <pcomp> <accomp> < 11 04 05 dc> <
13 03 00>]
Nov 16 22:48:14 Tardis pppd[663]: sent [LCP ConfReq id=0x1 <asyncmap 0x0>
<magic 0x6564be0c> <pcomp> <accomp>]
Nov 16 22:48:14 Tardis pppd[663]: sent [LCP ConfRej id=0x2 < 11 04 05 dc> <
13 03 00>]
Nov 16 22:48:14 Tardis pppd[663]: rcvd [LCP ConfReq id=0x1 <asyncmap 0x0>
<magic 0x6564be0c> <pcomp> <accomp>]
Nov 16 22:48:14 Tardis pppd[663]: sent [LCP ConfNak id=0x1 <magic
0x254286f1>]
Nov 16 22:48:14 Tardis pppd[663]: rcvd [LCP ConfRej id=0x2 < 11 04 05 dc> <
13 03 00>]
Nov 16 22:48:14 Tardis pppd[663]: rcvd [LCP ConfNak id=0x1 <magic
0x254286f1>]
Nov 16 22:48:14 Tardis pppd[663]: sent [LCP ConfReq id=0x2 <asyncmap 0x0>
<magic 0x4eb216c5> <pcomp> <accomp>]
Nov 16 22:48:14 Tardis pppd[663]: rcvd [LCP ConfReq id=0x2 <asyncmap 0x0>
<magic 0x4eb216c5> <pcomp> <accomp>]
Nov 16 22:48:14 Tardis pppd[663]: sent [LCP ConfNak id=0x2 <magic
0x4d450812>]
Nov 16 22:48:14 Tardis pppd[663]: rcvd [LCP ConfNak id=0x2 <magic
0x4d450812>]
Nov 16 22:48:14 Tardis pppd[663]: sent [LCP ConfReq id=0x3 <asyncmap 0x0>
<magic 0x3d2007d1> <pcomp> <accomp>]
Nov 16 22:48:14 Tardis pppd[663]: rcvd [LCP ConfReq id=0x3 <asyncmap 0x0>
<magic 0x3d2007d1> <pcomp> <accomp>]
Nov 16 22:48:14 Tardis pppd[663]: sent [LCP ConfNak id=0x3 <magic
0x7c98de55>]
Nov 16 22:48:14 Tardis pppd[663]: rcvd [LCP ConfNak id=0x1 <asyncmap
0xffffffff>]
Nov 16 22:48:14 Tardis pppd[663]: rcvd [LCP ConfReq id=0x3 <mru 1500>
<asyncmap 0xffffffff> <magic 0x2924e4be> <pcomp> <accomp>]
Nov 16 22:48:14 Tardis pppd[663]: sent [LCP ConfAck id=0x3 <mru 1500>
<asyncmap 0xffffffff> <magic 0x2924e4be> <pcomp> <accomp>]
Nov 16 22:48:14 Tardis pppd[663]: rcvd [LCP ConfNak id=0x3 <magic
0x7c98de55>]
Nov 16 22:48:14 Tardis pppd[663]: sent [LCP ConfReq id=0x4 <asyncmap 0x0>
<magic 0xede65b7d> <pcomp> <accomp>]
Nov 16 22:48:14 Tardis pppd[663]: rcvd [LCP ConfAck id=0x3 <mru 1500>
<asyncmap 0xffffffff> <magic 0x2924e4be> <pcomp> <accomp>]
Nov 16 22:48:14 Tardis pppd[663]: rcvd [LCP ConfNak id=0x2 <asyncmap
0xffffffff>]
Nov 16 22:48:15 Tardis pppd[663]: rcvd [LCP ConfReq id=0x4 <asyncmap 0x0>
<magic 0xede65b7d> <pcomp> <accomp>]
Nov 16 22:48:15 Tardis pppd[663]: sent [LCP ConfNak id=0x4 <magic
0x8be5b0b3>]
Nov 16 22:48:15 Tardis pppd[663]: rcvd [LCP ConfNak id=0x3 <asyncmap
0xffffffff>]
Nov 16 22:48:15 Tardis pppd[663]: rcvd [LCP ConfNak id=0x4 <magic
0x8be5b0b3>]
Nov 16 22:48:15 Tardis pppd[663]: sent [LCP ConfReq id=0x5 <asyncmap 0x0>
<magic 0x7c1fbea5> <pcomp> <accomp>]
Nov 16 22:48:15 Tardis pppd[663]: rcvd [LCP ConfReq id=0x5 <asyncmap 0x0>
<magic 0x7c1fbea5> <pcomp> <accomp>]
Nov 16 22:48:15 Tardis pppd[663]: sent [LCP ConfNak id=0x5 <magic
0xa4778128>]
Nov 16 22:48:15 Tardis pppd[663]: rcvd [LCP ConfNak id=0x5 <magic
0xa4778128>]
Nov 16 22:48:15 Tardis pppd[663]: sent [LCP ConfReq id=0x6 <asyncmap 0x0>
<magic 0xa9a982c0> <pcomp> <accomp>]
Nov 16 22:48:15 Tardis pppd[663]: rcvd [LCP ConfReq id=0x6 <asyncmap 0x0>
<magic 0xa9a982c0> <pcomp> <accomp>]
Nov 16 22:48:15 Tardis pppd[663]: sent [LCP ConfNak id=0x6 <magic
0x56d05567>]
Nov 16 22:48:15 Tardis pppd[663]: rcvd [LCP ConfNak id=0x4 <asyncmap
0xffffffff>]
Nov 16 22:48:15 Tardis pppd[663]: rcvd [LCP ConfNak id=0x6 <magic
0x56d05567>]
Nov 16 22:48:15 Tardis pppd[663]: sent [LCP ConfReq id=0x7 <asyncmap 0x0>
<magic 0xae7823b9> <pcomp> <accomp>]
Nov 16 22:48:15 Tardis pppd[663]: rcvd [LCP ConfReq id=0x4 <mru 1500>
<asyncmap 0xffffffff> <magic 0x7c98de55> <pcomp> <accomp>]
Nov 16 22:48:15 Tardis pppd[663]: sent [LCP ConfAck id=0x4 <mru 1500>
<asyncmap 0xffffffff> <magic 0x7c98de55> <pcomp> <accomp>]
Nov 16 22:48:15 Tardis pppd[663]: rcvd [LCP ConfReq id=0x7 <asyncmap 0x0>
<magic 0xae7823b9> <pcomp> <accomp>]
Nov 16 22:48:15 Tardis pppd[663]: sent [LCP ConfNak id=0x7 <magic
0xd4207ed8>]
Nov 16 22:48:15 Tardis pppd[663]: rcvd [LCP ConfAck id=0x4 <mru 1500>
<asyncmap 0xffffffff> <magic 0x7c98de55> <pcomp> <accomp>]
Nov 16 22:48:15 Tardis pppd[663]: rcvd [LCP ConfNak id=0x5 <asyncmap
0xffffffff>]
Nov 16 22:48:15 Tardis pppd[663]: rcvd [LCP ConfRej id=0x6 <asyncmap
0xffffffff>]
Nov 16 22:48:15 Tardis pppd[663]: rcvd [LCP ConfNak id=0x7 <asyncmap
0xffffffff>]
Nov 16 22:48:15 Tardis pppd[663]: sent [LCP ConfReq id=0x8 <magic
0xae7823b9> <pcomp> <accomp>]
Nov 16 22:48:15 Tardis pppd[663]: rcvd [LCP ConfReq id=0x8 <magic
0xae7823b9> <pcomp> <accomp>]
Nov 16 22:48:15 Tardis pppd[663]: sent [LCP ConfNak id=0x8 <magic
0xb3ed087c>]
Nov 16 22:48:15 Tardis pppd[663]: rcvd [LCP ConfNak id=0x8 <magic
0xb3ed087c>]
Nov 16 22:48:15 Tardis pppd[663]: sent [LCP ConfReq id=0x9 <magic
0x6cb79abc> <pcomp> <accomp>]
Nov 16 22:48:15 Tardis pppd[663]: rcvd [LCP ConfReq id=0x5 <mru 1500>
<asyncmap 0xffffffff> <magic 0x7c98de55> <pcomp> <accomp>]
Nov 16 22:48:15 Tardis pppd[663]: sent [LCP ConfAck id=0x5 <mru 1500>
<asyncmap 0xffffffff> <magic 0x7c98de55> <pcomp> <accomp>]
Nov 16 22:48:15 Tardis pppd[663]: rcvd [LCP ConfReq id=0x9 <magic
0x6cb79abc> <pcomp> <accomp>]
Nov 16 22:48:15 Tardis pppd[663]: sent [LCP ConfNak id=0x9 <magic
0x20cac037>]
Nov 16 22:48:15 Tardis pppd[663]: rcvd [LCP ConfAck id=0x5 <mru 1500>
<asyncmap 0xffffffff> <magic 0x7c98de55> <pcomp> <accomp>]
Nov 16 22:48:15 Tardis pppd[663]: rcvd [LCP ConfNak id=0x9 <magic
0x20cac037>]
Nov 16 22:48:15 Tardis pppd[663]: sent [LCP ConfReq id=0xa <magic
0x2b938a72> <pcomp> <accomp>]
Nov 16 22:48:15 Tardis pppd[663]: rcvd [LCP ConfAck id=0x8 <magic
0xae7823b9> <pcomp> <accomp>]
Nov 16 22:48:15 Tardis pppd[663]: rcvd [LCP ConfReq id=0xa <magic
0x2b938a72> <pcomp> <accomp>]
Nov 16 22:48:15 Tardis pppd[663]: sent [LCP ConfNak id=0xa <magic
0xfced23bf>]
Nov 16 22:48:15 Tardis pppd[663]: rcvd [LCP ConfNak id=0xa <magic
0xfced23bf>]
Nov 16 22:48:15 Tardis pppd[663]: sent [LCP ConfReq id=0xb <magic
0xb791e6e6> <pcomp> <accomp>]
Nov 16 22:48:15 Tardis pppd[663]: rcvd [LCP ConfReq id=0xb <magic
0xb791e6e6> <pcomp> <accomp>]
Nov 16 22:48:15 Tardis pppd[663]: sent [LCP ConfNak id=0xb <magic
0xb305412c>]
Nov 16 22:48:15 Tardis pppd[663]: rcvd [LCP ConfAck id=0x9 <magic
0x6cb79abc> <pcomp> <accomp>]
Nov 16 22:48:15 Tardis pppd[663]: rcvd [LCP ConfNak id=0xb <magic
0xb305412c>]
Nov 16 22:48:15 Tardis pppd[663]: sent [LCP ConfReq id=0xc <magic 0x377afe3>
<pcomp> <accomp>]
Nov 16 22:48:15 Tardis pppd[663]: rcvd [IPCP ConfReq id=0x6 <compress VJ 0f
00> <addr 207.179.135.2>]
Nov 16 22:48:15 Tardis pppd[663]: rcvd [LCP ConfReq id=0xc <magic 0x377afe3>
<pcomp> <accomp>]
Nov 16 22:48:15 Tardis pppd[663]: sent [LCP ConfNak id=0xc <magic
0x35bdde03>]
Nov 16 22:48:15 Tardis pppd[663]: rcvd [LCP ConfNak id=0xc <magic
0x35bdde03>]
Nov 16 22:48:15 Tardis pppd[663]: sent [LCP ConfReq id=0xd <magic
0xdb234315> <pcomp> <accomp>]
Nov 16 22:48:15 Tardis pppd[663]: rcvd [LCP ConfReq id=0xd <magic
0xdb234315> <pcomp> <accomp>]
Nov 16 22:48:15 Tardis pppd[663]: sent [LCP ConfNak id=0xd <magic
0x9f42f25b>]
Nov 16 22:48:15 Tardis pppd[663]: rcvd [LCP ConfNak id=0xd <magic
0x9f42f25b>]
Nov 16 22:48:15 Tardis pppd[663]: sent [LCP ConfReq id=0xe <magic
0x3f6e8e6b> <pcomp> <accomp>]
Nov 16 22:48:15 Tardis pppd[663]: rcvd [LCP ConfReq id=0xe <magic
0x3f6e8e6b> <pcomp> <accomp>]
Nov 16 22:48:15 Tardis pppd[663]: sent [LCP ConfNak id=0xe <magic
0xa782309b>]
Nov 16 22:48:15 Tardis pppd[663]: rcvd [LCP ConfNak id=0xe <magic
0xa782309b>]
Nov 16 22:48:15 Tardis pppd[663]: sent [LCP ConfReq id=0xf <magic
0x6030cc99> <pcomp> <accomp>]
Nov 16 22:48:15 Tardis pppd[663]: rcvd [LCP ConfReq id=0xf <magic
0x6030cc99> <pcomp> <accomp>]
Nov 16 22:48:15 Tardis pppd[663]: sent [LCP ConfNak id=0xf <magic
0xfa715f0a>]
Nov 16 22:48:15 Tardis pppd[663]: ...

read more »

 
 
 

Connecting pppd to NT server without chap/ms-chap

Post by Clifford Ki » Thu, 18 Nov 1999 04:00:00



> I am trying to connect to an NT ISP that doesn't use chap or mschap.

Are you absolutely sure about that?  It's very likely, in the absence
of definite knowledge that login/password is used, that the ISP uses
PAP or CHAP or MSCHAP.

Quote:> I can't seem to figure out what I am doing wrong.
> here are the options I am using even though i have tried many others as

The options are reasonable, although I woundn't use receive-all unless
faced with NT RAS and Microsoft CPCP callback.

Quote:> here is the debug:
> Nov 16 22:47:49 Tardis pppd[663]: pppd 2.3.10 started by root, uid 0

..

Quote:> Nov 16 22:48:11 Tardis pppd[663]: Connect: ppp0 <--> /dev/ttyS1
> Nov 16 22:48:14 Tardis pppd[663]: rcvd [LCP ConfReq id=0x2 <mru 1500>
> <asyncmap 0xffffffff> <magic 0x2924e4be> <pcomp> <accomp> < 11 04 05 dc> <
> 13 03 00>]

This is a LCP request from the peer so PPP was started at the ISP.
Peculiar that it wants to negotiate the *default* ACCM (asyncmap)
for itself.  It looks like the ISP PPP configuration is a bit flakey.

Quote:> Nov 16 22:48:14 Tardis pppd[663]: sent [LCP ConfReq id=0x1 <asyncmap 0x0>
> <magic 0x6564be0c> <pcomp> <accomp>]
> Nov 16 22:48:14 Tardis pppd[663]: sent [LCP ConfRej id=0x2 < 11 04 05 dc> <
> 13 03 00>]
> Nov 16 22:48:14 Tardis pppd[663]: rcvd [LCP ConfReq id=0x1 <asyncmap 0x0>
> <magic 0x6564be0c> <pcomp> <accomp>]

This, on the other hand, is an LCP request from pppd.  Note that the
magic number is the same as the one for the first pppd "sent" LCP
request above.  This is the "loopback" and it continues throughout the
rest of the log interspersed with real requests and naks from the ISP.

[more loopback deleted]

Quote:> Nov 16 22:48:14 Tardis pppd[663]: rcvd [LCP ConfNak id=0x1 <asyncmap
> 0xffffffff>]

Argghh.  There's no good reason for the ISP to request that *you*
use the default ACCM.

The loopback problem must be solved before anything else.  It might be
due to the modem AT command configuration, AT&T1 in a Hayes compatible
might do that, but it's rare.

I suppose it's also remotely possible that a shell script with poor
redirection could cause a loopback problem.  Try the pppd option
"nolog" and see what happens.

My best guess is that you should be doing PAP or CHAP or MSCHAP
authentication and the ISP is so poorly configured that it goes
into some half-way state between text and PPP.  A text program at
the ISP can cause a loopback-like condition by reflecting what you
send and this is common, although for it to happen with PPP running
is unusual.

You should be aware that "clear text authentication" in MS-speak
means PAP - just in case you where told that was the authentication
the ISP uses.

--

/* Governments should be changed like diapers - often and for the
 * same reason. */

 
 
 

Connecting pppd to NT server without chap/ms-chap

Post by Chris Dai » Thu, 18 Nov 1999 04:00:00


my options now:
lock
crtscts
defaultroute
noauth
silent
passive
noipdefault
nolog
asyncmap 0xffffffff

Quote:> > I am trying to connect to an NT ISP that doesn't use chap or mschap.

> Are you absolutely sure about that?  It's very likely, in the absence
> of definite knowledge that login/password is used, that the ISP uses
> PAP or CHAP or MSCHAP.

I'm pretty sure.  If it was one of these would I not receive a <pap ....> or
<chap ...>

Quote:> This is a LCP request from the peer so PPP was started at the ISP.
> Peculiar that it wants to negotiate the *default* ACCM (asyncmap)
> for itself.  It looks like the ISP PPP configuration is a bit flakey.

I tried setting asyncmap to 0xffffff and that made my ISP a bit happier.

Quote:> I suppose it's also remotely possible that a shell script with poor
> redirection could cause a loopback problem.  Try the pppd option
> "nolog" and see what happens.

I tried the nolog and it seemed to work once.  I tried to connect again
without changing any options but for some reason it wouldn't connect the
second time and I don't know why.

I still seem to be getting the loopback error.  Does anyone know how this
can be fixed?

debug:

Nov 17 17:08:32 Tardis pppd[1188]: Serial connection established.
Nov 17 17:08:32 Tardis pppd[1188]: Using interface ppp0
Nov 17 17:08:32 Tardis pppd[1188]: Connect: ppp0 <--> /dev/ttyS1
Nov 17 17:08:33 Tardis pppd[1188]: rcvd [LCP ConfReq id=0x1 <mru 1500>
<asyncmap 0xffffffff> <magic 0x650ea69f> <pcomp> <accomp> < 11 04 05 dc> <
13 03 00>]
Nov 17 17:08:33 Tardis pppd[1188]: sent [LCP ConfReq id=0x1 <magic
0x96c565e7> <pcomp> <accomp>]
Nov 17 17:08:33 Tardis pppd[1188]: sent [LCP ConfRej id=0x1 < 11 04 05 dc> <
13 03 00>]
Nov 17 17:08:33 Tardis pppd[1188]: rcvd [LCP ConfReq id=0x1 <magic
0x96c565e7> <pcomp> <accomp>]
Nov 17 17:08:33 Tardis pppd[1188]: sent [LCP ConfNak id=0x1 <magic
0xf2ff1986>]
Nov 17 17:08:33 Tardis pppd[1188]: rcvd [LCP ConfRej id=0x1 < 11 04 05 dc> <
13 03 00>]
Nov 17 17:08:33 Tardis pppd[1188]: Received bad configure-nak/rej:  11 04 05
dc 13 03 00
Nov 17 17:08:33 Tardis pppd[1188]: rcvd [LCP ConfNak id=0x1 <magic
0xf2ff1986>]
Nov 17 17:08:33 Tardis pppd[1188]: sent [LCP ConfReq id=0x2 <magic
0x64e1da1a> <pcomp> <accomp>]
Nov 17 17:08:33 Tardis pppd[1188]: rcvd [LCP ConfReq id=0x2 <magic
0x64e1da1a> <pcomp> <accomp>]
Nov 17 17:08:33 Tardis pppd[1188]: sent [LCP ConfNak id=0x2 <magic
0x71759143>]
Nov 17 17:08:33 Tardis pppd[1188]: rcvd [LCP ConfNak id=0x2 <magic
0x71759143>]
Nov 17 17:08:33 Tardis pppd[1188]: sent [LCP ConfReq id=0x3 <magic
0x383877ae> <pcomp> <accomp>]
Nov 17 17:08:33 Tardis pppd[1188]: rcvd [LCP ConfReq id=0x3 <magic
0x383877ae> <pcomp> <accomp>]
Nov 17 17:08:33 Tardis pppd[1188]: sent [LCP ConfNak id=0x3 <magic
0x203d0d6e>]
Nov 17 17:08:34 Tardis pppd[1188]: rcvd [LCP ConfAck id=0x1 <magic
0x96c565e7> <pcomp> <accomp>]
Nov 17 17:08:34 Tardis pppd[1188]: rcvd [LCP ConfReq id=0x2 <mru 1500>
<asyncmap 0xffffffff> <magic 0x650ea69f> <pcomp> <accomp>]
Nov 17 17:08:34 Tardis pppd[1188]: sent [LCP ConfAck id=0x2 <mru 1500>
<asyncmap 0xffffffff> <magic 0x650ea69f> <pcomp> <accomp>]
Nov 17 17:08:34 Tardis pppd[1188]: rcvd [LCP ConfNak id=0x3 <magic
0x203d0d6e>]
Nov 17 17:08:34 Tardis pppd[1188]: sent [LCP ConfReq id=0x4 <magic
0xa5a1d7d8> <pcomp> <accomp>]
Nov 17 17:08:34 Tardis pppd[1188]: rcvd [LCP ConfAck id=0x2 <mru 1500>
<asyncmap 0xffffffff> <magic 0x650ea69f> <pcomp> <accomp>]
Nov 17 17:08:34 Tardis pppd[1188]: rcvd [LCP ConfReq id=0x4 <magic
0xa5a1d7d8> <pcomp> <accomp>]
Nov 17 17:08:34 Tardis pppd[1188]: sent [LCP ConfNak id=0x4 <magic
0xc6576572>]
Nov 17 17:08:34 Tardis pppd[1188]: rcvd [LCP ConfAck id=0x2 <magic
0x64e1da1a> <pcomp> <accomp>]
Nov 17 17:08:34 Tardis pppd[1188]: rcvd [LCP ConfNak id=0x4 <magic
0xc6576572>]
Nov 17 17:08:34 Tardis pppd[1188]: sent [LCP ConfReq id=0x5 <magic
0x2f3e2f52> <pcomp> <accomp>]
Nov 17 17:08:34 Tardis pppd[1188]: rcvd [LCP ConfReq id=0x5 <magic
0x2f3e2f52> <pcomp> <accomp>]
Nov 17 17:08:34 Tardis pppd[1188]: sent [LCP ConfNak id=0x5 <magic
0x5e35e681>]
Nov 17 17:08:34 Tardis pppd[1188]: rcvd [LCP ConfNak id=0x5 <magic
0x5e35e681>]
Nov 17 17:08:34 Tardis pppd[1188]: sent [LCP ConfReq id=0x6 <magic
0x63197635> <pcomp> <accomp>]
Nov 17 17:08:34 Tardis pppd[1188]: rcvd [LCP ConfAck id=0x3 <magic
0x383877ae> <pcomp> <accomp>]
Nov 17 17:08:34 Tardis pppd[1188]: rcvd [LCP ConfReq id=0x6 <magic
0x63197635> <pcomp> <accomp>]
Nov 17 17:08:34 Tardis pppd[1188]: sent [LCP ConfNak id=0x6 <magic
0x695c73b8>]
Nov 17 17:08:34 Tardis pppd[1188]: rcvd [LCP ConfNak id=0x6 <magic
0x695c73b8>]
Nov 17 17:08:34 Tardis pppd[1188]: sent [LCP ConfReq id=0x7 <magic
0xb4e6753c> <pcomp> <accomp>]
Nov 17 17:08:34 Tardis pppd[1188]: rcvd [IPCP ConfReq id=0x3 <compress VJ 0f
00> <addr 207.179.149.2>]
Nov 17 17:08:34 Tardis pppd[1188]: rcvd [LCP ConfReq id=0x7 <magic
0xb4e6753c> <pcomp> <accomp>]
Nov 17 17:08:34 Tardis pppd[1188]: sent [LCP ConfNak id=0x7 <magic
0x12e71a61>]
Nov 17 17:08:34 Tardis pppd[1188]: rcvd [LCP ConfNak id=0x7 <magic
0x12e71a61>]
Nov 17 17:08:34 Tardis pppd[1188]: sent [LCP ConfReq id=0x8 <magic
0x2c846ac9> <pcomp> <accomp>]
Nov 17 17:08:34 Tardis pppd[1188]: rcvd [LCP ConfReq id=0x8 <magic
0x2c846ac9> <pcomp> <accomp>]
Nov 17 17:08:34 Tardis pppd[1188]: sent [LCP ConfNak id=0x8 <magic
0xfbce52e3>]
Nov 17 17:08:34 Tardis pppd[1188]: rcvd [LCP ConfNak id=0x8 <magic
0xfbce52e3>]
Nov 17 17:08:34 Tardis pppd[1188]: sent [LCP ConfReq id=0x9 <magic
0xa44c467c> <pcomp> <accomp>]
Nov 17 17:08:34 Tardis pppd[1188]: rcvd [LCP ConfReq id=0x9 <magic
0xa44c467c> <pcomp> <accomp>]
Nov 17 17:08:34 Tardis pppd[1188]: sent [LCP ConfNak id=0x9 <magic
0xd64321c5>]
Nov 17 17:08:34 Tardis pppd[1188]: rcvd [LCP ConfNak id=0x9 <magic
0xd64321c5>]
Nov 17 17:08:34 Tardis pppd[1188]: sent [LCP ConfReq id=0xa <magic
0x98c1e12a> <pcomp> <accomp>]
Nov 17 17:08:34 Tardis pppd[1188]: rcvd [LCP ConfReq id=0xa <magic
0x98c1e12a> <pcomp> <accomp>]
Nov 17 17:08:34 Tardis pppd[1188]: sent [LCP ConfNak id=0xa <magic
0x9bf8af75>]
Nov 17 17:08:34 Tardis pppd[1188]: rcvd [LCP ConfNak id=0xa <magic
0x9bf8af75>]
Nov 17 17:08:34 Tardis pppd[1188]: Serial line is looped back.
Nov 17 17:08:34 Tardis pppd[1188]: sent [LCP TermReq id=0xb "Loopback
detected"]
Nov 17 17:08:34 Tardis pppd[1188]: rcvd [LCP TermReq id=0xb "Loopback
detected"]
Nov 17 17:08:34 Tardis pppd[1188]: sent [LCP TermAck id=0xb]
Nov 17 17:08:34 Tardis pppd[1188]: rcvd [LCP TermAck id=0xb]
Nov 17 17:08:34 Tardis pppd[1188]: Connection terminated.
Nov 17 17:08:34 Tardis pppd[1188]: Hangup (SIGHUP)
Nov 17 17:08:34 Tardis pppd[1188]: Exit.

chris

 
 
 

Connecting pppd to NT server without chap/ms-chap

Post by Clifford Ki » Thu, 18 Nov 1999 04:00:00



> > > I am trying to connect to an NT ISP that doesn't use chap or mschap.

> > Are you absolutely sure about that?  It's very likely, in the absence
> > of definite knowledge that login/password is used, that the ISP uses
> > PAP or CHAP or MSCHAP.
> I'm pretty sure.  If it was one of these would I not receive a <pap ....> or
> <chap ...>

You would not get a PAP or CHAP request if the ISP login/password
is sufficient for authentication.  You also would not get PAP or
CHAP requests if you do a login/password through prompts that the
ISP isn't properly configured to accept and transfer the connection
to it's PPP implementation afterwards.

Note that it is common for an ISP to present login/password prompts but
switch to it's PPP implementation upon detecting PPP link negotiation
messages from the call-in.  Moreover, the prompts are often not a
valid alternative for regular customers.

--

 
 
 

Connecting pppd to NT server without chap/ms-chap

Post by portisr.. » Sun, 05 Dec 1999 04:00:00


I upgraded my old USR 33.6k external modem to a
new and expensive USR Courier V.Everything 56.6k
External modem thinking I was going to be able to
use it in my RH 6.1 Linux box without any trouble.
When trying to connect to my ISP with the new
modem I get a  serial line looped back error that
hangs up the modem. I can disconnect the 56.6k
modem and put back the old 33.6k modem and I can
log in to my ISP right away. Any ideas why this is
happening? How can I get rid of this error.
Have anybody heard anything about this problem? I
don't know what to do. I have tried almost every
option for the pppd option file and nothing makes
a difference. Except when I turn off the serial
line looped back detection with the nomagic option
or -mn, but then pppd comes back saying "can not
determine remote ip address".

I am pretty sure there are other people out there
experiencing the same problem but nobody has been
able to help me or post in here a valid answer.

Your help would be greatly
appreciated!

Sent via Deja.com http://www.deja.com/
Before you buy.

 
 
 

Connecting pppd to NT server without chap/ms-chap

Post by Frank Ha » Mon, 06 Dec 1999 04:00:00




>modem I get a  serial line looped back error that
>hangs up the modem. I can disconnect the 56.6k

[Snipped]

Quote:>Sent via Deja.com http://www.deja.com/
>Before you buy.

While at the Deja.com web site, try searching for your error.  I'd
bet that you will get several hundred hits.  It typically means you
are not connected to your ISP.

--
Frank Hahn

You have an unusual magnetic personality.  Don't walk too close to
metal objects which are not fastened down.

 
 
 

1. pppd - PAP, CHAP, MS-CHAP, MS-CHAP-v2 protocol negotiation

Hi,

We have clients connecting to pppd 2.4.2b1.
Clients are able to connect using PAP, CHAP, MS-CHAP, MS-CHAP-v2 if
the pppd configuration is set up to require a specific protocol, eg:

If we change /etc/ppp/options to not request a specific protocol,
clients can only connect using PAP or MS-CHAP-V2. Client trying to
connect through CHAP or MS-CHAP fail and Pppd logs the error "peer
refused to authenticate: terminating link"

pppd configuration:

We'd like our clients to be able to connect using PAP, CHAP, MS-CHAP
or MS-CHAP-v2, the protocol being negotiated by server and client...

I suppose it's a pppd configuration issue; any help is highly
appreciated.
Thx.
dan

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