[pptp-server] PPTP problems ( w2k -> linux 2.4.17 - ppp-2.4.1 + patches, pptpd-1.0.1)

Andrew Lyon Administrator at josims.com
Fri Dec 28 07:13:20 CST 2001


There is a patched traceroute on the website that uses gre packets.

Andy

-----Original Message-----
From: Wilhelmsen, Lars [mailto:lwi at teleplan.no] 
Sent: 28 December 2001 13:16
To: 
Subject: RE: [pptp-server] PPTP problems ( w2k -> linux 2.4.17 - ppp-2.4.1 +
patches, pptpd-1.0.1)


That *could* be the problem.

 How can I check if it is true?

regards,

 --lars wilhelmsen

-----Original Message-----
From: Mikael Lönnroth [mailto:mikael.lonnroth at advancevpn.com]
Sent: 29. desember 2001 00:15
To: Wilhelmsen, Lars; pptp-server at lists.schulte.org
Subject: Re: [pptp-server] PPTP problems ( w2k -> linux 2.4.17 - ppp-2.4.1 +
patches, pptpd-1.0.1)


Usually this happens when the GRE protocol is blocked by a router or
firewall between your PC and the VPN server.

Regards,
Mikael Lönnroth
www.advancevpn.com

----- Original Message -----
From: "Wilhelmsen, Lars" <lwi at teleplan.no>
To: <pptp-server at lists.schulte.org>
Sent: Friday, December 28, 2001 4:44 AM
Subject: [pptp-server] PPTP problems ( w2k -> linux 2.4.17 - ppp-2.4.1 +
patches, pptpd-1.0.1)


> Hi list.
>
>  I've tried to configure a linux box, as a pptp server,
>  using this HOWTO:  
> http://home.swbell.net/berzerke/2.4_Kernel_PPTPD-HOWTO.txt
>
>  -- snip from /var/log/messages --
> Dec 28 14:12:35 gateway pptpd[1011]: CTRL: Client 213.88.x.x control 
> connectio n started
> Dec 28 14:12:35 gateway pptpd[1011]: CTRL: Starting call (launching
> pppd, openin
> g GRE)
> Dec 28 14:12:35 gateway pppd[1012]: pppd 2.4.1 started by root, uid 0
> Dec 28 14:12:35 gateway pppd[1012]: Using interface ppp0
> Dec 28 14:12:35 gateway pppd[1012]: Connect: ppp0 <--> /dev/pts/1
> Dec 28 14:12:35 gateway pptpd[1011]: GRE: Discarding duplicate packet
> Dec 28 14:13:05 gateway pppd[1012]: LCP: timeout sending
Config-Requests
> Dec 28 14:13:05 gateway pppd[1012]: Connection terminated. Dec 28 
> 14:13:05 gateway pppd[1012]: Exit. Dec 28 14:13:05 gateway 
> pptpd[1011]: GRE:
> read(fd=5,buffer=804d8c0,len=8196) fro
> m PTY failed: status = -1 error = Input/output error
> Dec 28 14:13:05 gateway pptpd[1011]: CTRL: PTY read or GRE write
failed
> (pty,gre
> )=(5,6)
> Dec 28 14:13:05 gateway pptpd[1011]: CTRL: Client 213.88.x.x control 
> connectio n finished
>  -- snip from /var/log/messages --
>
>  When I try to connect (from the w2k prof. box), it stops at the stage  
> "Verifying username and password..."
>
>  And as you can see from the log; LCP: timeout sending
Config-Requests.
>
>  Anyone who have a clue of what I am doing wrong?
>
>  best regards,
>                     ,---------------------------------.
> ,-------------------|Votis subscribunt fata secundis. |
> | Lars Wilhelmsen   | Destiny makes wishes come true. |
> | Software Engineer `------------------+--------------´
> | Email:   lwi at teleplan.no  |          |
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