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From: Darius Moos <moos@neuron.bsd.uni-passau.de>
Message-Id: <199607291355.PAA01003@neuron.bsd.uni-passau.de>
Subject: RE: hackers-digest V1 #1337 (pppd and PAP)
To: hackers@freebsd.org
Date: Mon, 29 Jul 1996 15:55:00 +0200 (MET DST)
Reply-To: moos@degnet.baynet.de
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Hi Mike,

thanks for your reply, but it does NOT work.

> You say you've connected to the other fsbd box using CHAP.

Yes

> Have you connected to it using PAP?

Nope. I want to connect a Linux-box-2.x using PAP. Sorry if this was not clear
in my mailing.

BTW i've tried your configuration. No success. Horror-show continues.
Result of pppd-logging:
  Jul 29 14:31:56 neuron pppd[324]: pppd 2.1.2 started by moos, uid 30001
  Jul 29 14:32:21 neuron pppd[325]: Connected...
  Jul 29 14:32:22 neuron pppd[325]: Using interface ppp0
  Jul 29 14:32:22 neuron pppd[325]: Connect: ppp0 <--> /dev/cuaa1
  Jul 29 14:32:22 neuron pppd[325]: sent [LCP ConfReq id=0x1 <mru 1500> <magic 0x31f6a072> <pcomp> <accomp>]
  Jul 29 14:32:25 neuron pppd[325]: sent [LCP ConfReq id=0x1 <mru 1500> <magic 0x31f6a072> <pcomp> <accomp>]
  Jul 29 14:32:25 neuron pppd[325]: rcvd [LCP ConfReq id=0x0 <asyncmap 0x0> <auth chap 80> <magic 0x59d7> <pcomp> <accomp>]
  Jul 29 14:32:25 neuron pppd[325]: sent [LCP ConfRej id=0x0 <auth chap 80>]
  Jul 29 14:32:25 neuron pppd[325]: rcvd [LCP ConfAck id=0x1 <mru 1500> <magic 0x31f6a072> <pcomp> <accomp>]
  Jul 29 14:32:25 neuron pppd[325]: rcvd [LCP TermReq id=0x1 00 00 02 dc]
  Jul 29 14:32:25 neuron pppd[325]: sent [LCP TermAck id=0x1]
  Jul 29 14:32:28 neuron pppd[325]: sent [LCP ConfReq id=0xff <mru 1500> <magic 0x31f6a072> <pcomp> <accomp>]
  Jul 29 14:32:55 neuron last message repeated 9 times
  Jul 29 14:32:58 neuron pppd[325]: LCP: timeout sending Config-Requests
  Jul 29 14:32:58 neuron pppd[325]: Connection terminated.
  Jul 29 14:32:58 neuron pppd[325]: Exit.

Please look at the line
  Jul 29 14:32:25 neuron pppd[325]: sent [LCP ConfRej id=0x0 <auth chap 80>]
					  ^^^^^^^^^^^
so my pppd is rejecting to authenticate.
BUT when trying to authenticate with CHAP (options: auth -pap +chap) i'm
getting following result:
  Jul 29 15:42:04 neuron pppd[948]: pppd 2.1.2 started by moos, uid 30001
  Jul 29 15:42:28 neuron pppd[949]: Connected...
  Jul 29 15:42:29 neuron pppd[949]: Using interface ppp0
  Jul 29 15:42:30 neuron pppd[949]: Connect: ppp0 <--> /dev/cuaa1
  Jul 29 15:42:30 neuron pppd[949]: sent [LCP ConfReq id=0x1 <mru 1500> <auth chap 05> <magic 0x31f5e4d6> <pcomp> <accomp>]
  Jul 29 15:42:33 neuron pppd[949]: sent [LCP ConfReq id=0x1 <mru 1500> <auth chap 05> <magic 0x31f5e4d6> <pcomp> <accomp>]
  Jul 29 15:42:33 neuron pppd[949]: rcvd [LCP ConfReq id=0x0 <asyncmap 0x0> <auth chap 80> <magic 0x128a> <pcomp> <accomp>]
  Jul 29 15:42:33 neuron pppd[949]: sent [LCP ConfRej id=0x0 <auth chap 80>]
  Jul 29 15:42:33 neuron pppd[949]: rcvd [LCP ConfRej id=0x1 <auth chap 05>]
  Jul 29 15:42:33 neuron pppd[949]: sent [LCP ConfReq id=0x2 <mru 1500> <magic 0x31f5e4d6> <pcomp> <accomp>]
  Jul 29 15:42:33 neuron pppd[949]: rcvd [LCP TermReq id=0x1 00 00 02 dc]
  Jul 29 15:42:33 neuron pppd[949]: sent [LCP TermAck id=0x1]
  Jul 29 15:42:36 neuron pppd[949]: sent [LCP ConfReq id=0x2 <mru 1500> <magic 0x31f5e4d6> <pcomp> <accomp>]
  Jul 29 15:43:00 neuron last message repeated 8 times
  Jul 29 15:43:03 neuron pppd[949]: LCP: timeout sending Config-Requests
  Jul 29 15:43:03 neuron pppd[949]: Connection terminated.
  Jul 29 15:43:03 neuron pppd[949]: Exit.

Have a look at the lines:
  Jul 29 15:42:33 neuron pppd[949]: sent [LCP ConfReq id=0x1 <mru 1500> <auth chap 05> <magic 0x31f5e4d6> <pcomp> <accomp>]
  Jul 29 15:42:33 neuron pppd[949]: rcvd [LCP ConfReq id=0x0 <asyncmap 0x0> <auth chap 80> <magic 0x128a> <pcomp> <accomp>]
  Jul 29 15:42:33 neuron pppd[949]: sent [LCP ConfRej id=0x0 <auth chap 80>]
  Jul 29 15:42:33 neuron pppd[949]: rcvd [LCP ConfRej id=0x1 <auth chap 05>]

So my pppd wants to authenticate using [chap 05] and the linux-ppp wants
to use [chap 80]. The strange thing is, that my provider says explicitly, "the
authentication is PAP" !!!

The other thing is, that Win-95 has no problems connecting to my provider.
When dialing, i just write username and password in the appropriate textfields
and everything is fine.
(Shit ... don't want to use Win-95; i want and have to use FreeBSD !!!)

Please send me more replies, help, info, pointers, patches, ...

Thanks in advance.

Bye, Darius.