[pptp-server] Error message while trying to connect over pptp

[Shadur t'Kharn]

Hello all,

	I'm trying to connect a VPN client to a pptp server
running Linux (debian Potato, last updated last night) and it's 
connecting at first, but then the server side fails with the 
following error in the log messages:


Jan 18 15:22:45 catv6150 pptpd[30818]: CTRL (PPPD Launcher): local address = 192.168.150.1
Jan 18 15:22:45 catv6150 pptpd[30818]: CTRL (PPPD Launcher): remote address = 192.168.150.10
Jan 18 15:22:45 catv6150 pptpd[30817]: GRE: read(fd=5,buffer=804d8c0,len=8196) from PTY failed: status = -1 error = Input/output error
Jan 18 15:22:45 catv6150 pptpd[30817]: CTRL: PTY read or GRE write failed (pty,gre)=(5,6)
Jan 18 15:22:45 catv6150 pptpd[30817]: CTRL: Client 194.109.154.81 control connection finished
Jan 18 15:22:45 catv6150 pptpd[30817]: CTRL: Exiting now
Jan 18 15:22:45 catv6150 pptpd[4408]: MGR: Reaped child 30817

The winduhs2K VPN client is less than helpful with its error messages, but the 
pptp-linux client (1.0.2) gives the following:


Jan 18 15:17:06 nb-rens pppd[450]: pppd 2.3.10 started by shadur, uid 0
Jan 18 15:17:06 nb-rens pppd[450]: Using interface ppp0
Jan 18 15:17:06 nb-rens pppd[450]: Connect: ppp0 <--> /dev/ttya0
Jan 18 15:17:06 nb-rens pppd[450]: sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x6b2f6e57> <pcomp> <accomp>]
Jan 18 15:17:33 nb-rens last message repeated 9 times
Jan 18 15:17:36 nb-rens pppd[450]: LCP: timeout sending Config-Requests
Jan 18 15:17:36 nb-rens pppd[450]: Connection terminated.


I have the ip_masq_pptp patch running on the firewall between nb-rens and 
catv6150, and it reports normal operations in its syslogs.

Has anyone had to deal with this problem before, or does anyone
know what could be the cause?

Thanks in advance,
Rens Houben.

-- 
Rens Houben / Shadur t'Kharn: Linux geek, programmer, student.
PGP public key at: http://dwagon.sandwich.net/~shadur/pgpkey
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