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

[Nathan Meyers]

Shadur t'Kharn wrote:
> 
> 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:
> 

Do you have any of those capabilities enabled from the client side that
you're not supposed to have enabled (LCP extensions, and such)?

Nathan


> 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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