[pptp-server] Client Unable to connect.

[Gordon Shephard]

I have an absolutely pristine log of a Windows NT 4 attempting to connect to PoPToP and failing.

This is what the Linux (Redhat 2.2.16-3) server sees (From the /var/log/pptpd.log)

Nov 21 22:03:21 furball pptpd[11167]: CTRL: Client 204.69.198.44 control connection started
Nov 21 22:03:21 furball pptpd[11167]: CTRL: Starting call (launching pppd, opening GRE)
Nov 21 22:03:21 furball pppd[11168]: pppd 2.3.11 started by root, uid 0
Nov 21 22:03:21 furball pppd[11168]: Using interface ppp2
Nov 21 22:03:21 furball pppd[11168]: Connect: ppp2 <--> /dev/pts/3
Nov 21 22:03:21 furball pppd[11168]: sent [LCP ConfReq id=0x1 <asyncmap 0x0> <auth chap MD5> <magic 0xc316edcf> <pcomp> <accomp>]
Nov 21 22:03:22 furball pppd[11168]: rcvd [LCP ConfReq id=0x0 <magic 0x4185> <pcomp> <accomp> <callback CBCP>]
Nov 21 22:03:22 furball pppd[11168]: sent [LCP ConfRej id=0x0 <callback CBCP>]
Nov 21 22:03:24 furball pppd[11168]: sent [LCP ConfReq id=0x1 <asyncmap 0x0> <auth chap MD5> <magic 0xc316edcf> <pcomp> <accomp>]
Nov 21 22:03:25 furball pppd[11168]: rcvd [LCP ConfReq id=0x0 <magic 0x4185> <pcomp> <accomp> <callback CBCP>]
Nov 21 22:03:25 furball pppd[11168]: sent [LCP ConfRej id=0x0 <callback CBCP>]
Nov 21 22:03:27 furball pppd[11168]: sent [LCP ConfReq id=0x1 <asyncmap 0x0> <auth chap MD5> <magic 0xc316edcf> <pcomp> <accomp>]
Nov 21 22:03:28 furball pppd[11168]: rcvd [LCP ConfReq id=0x0 <magic 0x4185> <pcomp> <accomp> <callback CBCP>]
Nov 21 22:03:28 furball pppd[11168]: sent [LCP ConfRej id=0x0 <callback CBCP>]
Nov 21 22:03:30 furball pppd[11168]: sent [LCP ConfReq id=0x1 <asyncmap 0x0> <auth chap MD5> <magic 0xc316edcf> <pcomp> <accomp>]
Nov 21 22:03:32 furball pppd[11168]: rcvd [LCP ConfReq id=0x0 <magic 0x4185> <pcomp> <accomp> <callback CBCP>]
Nov 21 22:03:32 furball pppd[11168]: sent [LCP ConfRej id=0x0 <callback CBCP>]
Nov 21 22:03:33 furball pppd[11168]: sent [LCP ConfReq id=0x1 <asyncmap 0x0> <auth chap MD5> <magic 0xc316edcf> <pcomp> <accomp>]
Nov 21 22:03:36 furball pppd[11168]: rcvd [LCP ConfReq id=0x0 <magic 0x4185> <pcomp> <accomp> <callback CBCP>]
Nov 21 22:03:36 furball pppd[11168]: sent [LCP ConfRej id=0x0 <callback CBCP>]
Nov 21 22:03:37 furball pppd[11168]: sent [LCP ConfReq id=0x1 <asyncmap 0x0> <auth chap MD5> <magic 0xc316edcf> <pcomp> <accomp>]
Nov 21 22:03:40 furball pppd[11168]: sent [LCP ConfReq id=0x1 <asyncmap 0x0> <auth chap MD5> <magic 0xc316edcf> <pcomp> <accomp>]
Nov 21 22:03:40 furball pppd[11168]: rcvd [LCP ConfReq id=0x0 <magic 0x4185> <pcomp> <accomp> <callback CBCP>]
Nov 21 22:03:40 furball pppd[11168]: sent [LCP ConfRej id=0x0 <callback CBCP>]
Nov 21 22:03:43 furball pppd[11168]: sent [LCP ConfReq id=0x1 <asyncmap 0x0> <auth chap MD5> <magic 0xc316edcf> <pcomp> <accomp>]
Nov 21 22:03:44 furball pppd[11168]: rcvd [LCP ConfReq id=0x0 <magic 0x4185> <pcomp> <accomp> <callback CBCP>]
Nov 21 22:03:44 furball pppd[11168]: sent [LCP ConfRej id=0x0 <callback CBCP>]
Nov 21 22:03:46 furball pppd[11168]: sent [LCP ConfReq id=0x1 <asyncmap 0x0> <auth chap MD5> <magic 0xc316edcf> <pcomp> <accomp>]
Nov 21 22:03:48 furball pppd[11168]: rcvd [LCP ConfReq id=0x0 <magic 0x4185> <pcomp> <accomp> <callback CBCP>]
Nov 21 22:03:48 furball pppd[11168]: sent [LCP ConfRej id=0x0 <callback CBCP>]
Nov 21 22:03:49 furball pppd[11168]: sent [LCP ConfReq id=0x1 <asyncmap 0x0> <auth chap MD5> <magic 0xc316edcf> <pcomp> <accomp>]
Nov 21 22:03:52 furball pppd[11168]: LCP: timeout sending Config-Requests
Nov 21 22:03:52 furball pppd[11168]: Connection terminated.
Nov 21 22:03:52 furball pppd[11168]: Exit.
Nov 21 22:03:52 furball pptpd[11167]: GRE: read(fd=4,buffer=804d7e0,len=8196) from PTY failed: status = -1 error = Input/output error
Nov 21 22:03:52 furball pptpd[11167]: CTRL: PTY read or GRE write failed (pty,gre)=(4,5)
Nov 21 22:03:52 furball pptpd[11167]: CTRL: Client 204.69.198.44 control connection finished

Anything obvious to be derived from it?

--
Gordon Shephard, Gordon.Shephard at loudcloud.com
Loudcloud, Systems Support
ph: 408-744-7517 fax: 408-744-7379

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