Re: [pptp-devel] "Failed to authenticate ourselves to peer"

[Tim S. <ts...@ca...>]

On Sunday 08 May 2005 23:46, James Cameron wrote:
> Since you upgraded PPP, the new version knows how to respond to the
> offer of EAP authentication, and agrees to it, ... so you should be able
> to get it back to how it was by either;
>
> (a) adding the "refuse-eap" option, which will encourage PPP to
> negotiate to do MS-CHAPv2 authentication, or
>
> (b) downgrading PPP to the version you had before.
>
> > rcvd [EAP Failure id=0x8]
> > EAP: peer reports authentication failure

Hi, thanks for this.

I've made more progress but now it's failing CHAP authentication.

root@horus peers # pon pan-vpn debug dump logfd 2 nodetach
pppd options in effect:
debug           # (from command line)
nodetach                # (from command line)
logfd 2         # (from command line)
dump            # (from command line)
noauth          # (from /etc/ppp/options.pptp)
refuse-eap              # (from /etc/ppp/peers/pan-vpn)
name vega\\timsawyer            # (from /etc/ppp/peers/pan-vpn)
remotename PPTP         # (from /etc/ppp/peers/pan-vpn)
                # (from /etc/ppp/options.pptp)
pty pptp XXX.XX.XX.XX --nolaunchpppd            # 
(from /etc/ppp/peers/pan-vpn)
mru 1000                # (from /etc/ppp/options.pptp)
mtu 1000                # (from /etc/ppp/options.pptp)
lcp-echo-failure 10             # (from /etc/ppp/options.pptp)
lcp-echo-interval 10            # (from /etc/ppp/options.pptp)
ipparam pan-vpn         # (from /etc/ppp/peers/pan-vpn)
nobsdcomp               # (from /etc/ppp/options.pptp)
nodeflate               # (from /etc/ppp/options.pptp)
using channel 3
Using interface ppp0
Connect: ppp0 <--> /dev/pts/3
sent [LCP ConfReq id=0x1 <mru 1000> <asyncmap 0x0> <magic 0x29b4d358> <pcomp> 
<accomp>]
rcvd [LCP ConfReq id=0x0 <auth eap> <magic 0x62bf389e> <pcomp> <accomp> 
<callback CBCP> <mrru 1614> <endpoint 
[local:1f.e6.95.da.73.64.4f.b6.b8.5e.2b.e0.0b.f7.3a.6c.00.00.00.00]> < 17 04 
00 3c>]
sent [LCP ConfRej id=0x0 <callback CBCP> <mrru 1614> < 17 04 00 3c>]
rcvd [LCP ConfNak id=0x1 <mru 1500>]
sent [LCP ConfReq id=0x2 <asyncmap 0x0> <magic 0x29b4d358> <pcomp> <accomp>]
rcvd [LCP ConfReq id=0x1 <auth eap> <magic 0x62bf389e> <pcomp> <accomp> 
<endpoint 
[local:1f.e6.95.da.73.64.4f.b6.b8.5e.2b.e0.0b.f7.3a.6c.00.00.00.00]>]
sent [LCP ConfNak id=0x1 <auth chap MD5>]
rcvd [LCP ConfAck id=0x2 <asyncmap 0x0> <magic 0x29b4d358> <pcomp> <accomp>]
rcvd [LCP ConfReq id=0x2 <auth chap MD5> <magic 0x62bf389e> <pcomp> <accomp> 
<endpoint 
[local:1f.e6.95.da.73.64.4f.b6.b8.5e.2b.e0.0b.f7.3a.6c.00.00.00.00]>]
sent [LCP ConfAck id=0x2 <auth chap MD5> <magic 0x62bf389e> <pcomp> <accomp> 
<endpoint 
[local:1f.e6.95.da.73.64.4f.b6.b8.5e.2b.e0.0b.f7.3a.6c.00.00.00.00]>]
sent [LCP EchoReq id=0x0 magic=0x29b4d358]
rcvd [CHAP Challenge id=0x0 <609a85bca5a3720fbaceb288e354c501>, name = "VEGA"]
sent [CHAP Response id=0x0 <02ec607874f613defe3c2138d9048b1e>, name = 
"vega\\timsawyer"]
rcvd [LCP EchoRep id=0x0 magic=0x62bf389e]
rcvd [CHAP Failure id=0x0 ""]
CHAP authentication failed
sent [LCP TermReq id=0x3 "Failed to authenticate ourselves to peer"]
rcvd [LCP TermReq id=0x4 
"b\377777776778\37777777636\000<\37777777715t\000\000\002\37777777663"]
sent [LCP TermAck id=0x4]
rcvd [LCP TermAck id=0x3 "Failed to authenticate ourselves to peer"]
Connection terminated.
Waiting for 1 child processes...
  script pptp XXX.XX.XX.XX --nolaunchpppd, pid 8230
sending SIGTERM to process 8230

Is there anything more I can tell from this, or shall I just revert to the 
previous version until it works?

Cheers,

Tim.