Something

kenobi:/etc/ppp/peers# pon pipeline 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/peers/pipeline)
name maximeg            # (from /etc/ppp/peers/pipeline)
                # (from /etc/ppp/peers/pipeline)
pty pptp tun-gw.libertip.com --nolaunchpppd             # (from /etc/ppp/peers/pipeline)
-crtscts                # (from /etc/ppp/peers/pipeline)
local           # (from /etc/ppp/peers/pipeline)
asyncmap 0              # (from /etc/ppp/options)
lcp-echo-failure 4              # (from /etc/ppp/options)
lcp-echo-interval 30            # (from /etc/ppp/options)
hide-password           # (from /etc/ppp/options)
ipcp-accept-local               # (from /etc/ppp/peers/pipeline)
ipcp-accept-remote              # (from /etc/ppp/peers/pipeline)
proxyarp                # (from /etc/ppp/options)
+mppe           # (from /etc/ppp/peers/pipeline)
noipx           # (from /etc/ppp/options)
using channel 6
Using interface ppp0
Connect: ppp0 <--> /dev/pts/1
sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x78fd0831> <pcomp> <accomp>]
rcvd [LCP ConfReq id=0x1 <mru 1280> <asyncmap 0x0> <auth chap MD5> <magic 0x5c8d082d> <pcomp> <accomp>]
sent [LCP ConfAck id=0x1 <mru 1280> <asyncmap 0x0> <auth chap MD5> <magic 0x5c8d082d> <pcomp> <accomp>]
rcvd [LCP ConfAck id=0x1 <asyncmap 0x0> <magic 0x78fd0831> <pcomp> <accomp>]
sent [LCP EchoReq id=0x0 magic=0x78fd0831]
rcvd [LCP EchoReq id=0x0 magic=0x5c8d082d]
sent [LCP EchoRep id=0x0 magic=0x78fd0831]
rcvd [CHAP Challenge id=0xf2 <7041ce851ad03b8effc7ee4e9365b097e26f5b20>, name = "prot0"]
No CHAP secret found for authenticating us to prot0
sent [CHAP Response id=0xf2 <28ab98e8066bd504731fb56814c51d42>, name = "maximeg"]
rcvd [LCP EchoRep id=0x0 magic=0x5c8d082d]
rcvd [CHAP Failure id=0xf2 "Access denied"]
CHAP authentication failed: Access denied
CHAP authentication failed
sent [LCP TermReq id=0x2 "Failed to authenticate ourselves to peer"]
rcvd [LCP TermReq id=0x2 "Authentication failed"]
sent [LCP TermAck id=0x2]
rcvd [LCP TermAck id=0x2]
Connection terminated.
Script pptp tun-gw.libertip.com --nolaunchpppd finished (pid 8466), status = 0x0