[pptp-server] Linux PoPToP 2.4 with LAN Internet connection.

Wed Mar 6 16:33:59 CST 2002

I am not trying to get to an NT RRAS Server.  The Win2K is the client and
Linux is Running POPToP Server with all the authentication done there.  As I
said I can connect to it accross the local network but when I go via the
internet I get halfway through the connection but the tunnel isn't created.
I think it is a routing problem as I am using only one interface eth0. The
linux logs seem to indicate that there is something coming in from the
address that my ISP gave me when I dialed in (the 203 address) but then it
seems to lose track after the 192 address is given out to create the tunnel.
The server localhost ip is the 172 address.
Any further thoughs

-----Original Message-----
From: Haruhiko Davis [mailto:htdconsultingsvs at hotmail.com]
Sent: Wednesday, 6 March 2002 4:56 p.m.
To: John.Stephens at smithscity.co.nz; pptp-server at lists.schulte.org
Subject: Re: [pptp-server] Linux PoPToP 2.4 with LAN Internet
connection.

Take a look at MS article Q227747.

And contrary to popular belief, you don't need to reboot W2K (unlike the 
Win9x clients). LOL

>Hi
>
>I have looked at all the how to's and been through the archives but I must
>have missed something.
>I am trying to connect from win2k dial up to an ISP via a VPN to a Linux
>PoPToP 2.4 on an intranet
>I can get it to work across the intranet so I presume the security and 
>logon
>settings are correct.
>
>This is the set up.
>
>Linux box Running PoPToP 2.4 with gateway pointing to Firewall Router which
>then passes it on to an internal address to our ISP's Linux firewall which
>does NAT and passes it on to the outside world.
>TCP 1723 and GRE are allowed  to pass on both routers.
>The Firewall Routers logs indicate both are passing through it and it seems
>from the linux log to be getting 70% through verification and 
>authentication
>before deciding that it does not want to continue.
>
>The Win2K side gives me a 619 error  Specified port is not connected. and
>the helpful advice of try restarting.  Normal Windows Solution.
>
>Linux log
>
>Mar  6 16:04:14 slinux pptpd[832]: MGR: Launching /usr/sbin/pptpctrl to
>handle client
>Mar  6 16:04:14 slinux pptpd[832]: CTRL: local address = 172.16.0.50
>Mar  6 16:04:14 slinux pptpd[832]: CTRL: remote address = 192.168.0.1
>Mar  6 16:04:14 slinux pptpd[832]: CTRL: pppd speed = 115200
>Mar  6 16:04:14 slinux pptpd[832]: CTRL: pppd options file =
>/etc/ppp/options
>Mar  6 16:04:14 slinux pptpd[832]: CTRL: Client 203.96.149.75 control
>connection started
>Mar  6 16:04:14 slinux pptpd[832]: CTRL: Received PPTP Control Message
>(type: 1)
>Mar  6 16:04:14 slinux pptpd[832]: CTRL: Made a START CTRL CONN RPLY packet
>Mar  6 16:04:14 slinux pptpd[832]: CTRL: I wrote 156 bytes to the client.
>Mar  6 16:04:14 slinux pptpd[832]: CTRL: Sent packet to client
>Mar  6 16:04:14 slinux pptpd[832]: CTRL: Received PPTP Control Message
>(type: 7)
>Mar  6 16:04:14 slinux pptpd[832]: CTRL: 0 min_bps, 1525 max_bps, 32 window
>size
>Mar  6 16:04:14 slinux pptpd[832]: CTRL: Made a OUT CALL RPLY packet
>Mar  6 16:04:14 slinux pptpd[832]: CTRL: Starting call (launching pppd,
>opening GRE)
>Mar  6 16:04:14 slinux pptpd[832]: CTRL: pty_fd = 5
>Mar  6 16:04:14 slinux pptpd[832]: CTRL: tty_fd = 6
>Mar  6 16:04:14 slinux pptpd[832]: CTRL: I wrote 32 bytes to the client.
>Mar  6 16:04:14 slinux pptpd[833]: CTRL (PPPD Launcher): Connection speed =
>115200
>Mar  6 16:04:14 slinux pptpd[833]: CTRL (PPPD Launcher): local address =
>172.16.0.50
>Mar  6 16:04:14 slinux pptpd[833]: CTRL (PPPD Launcher): remote address =
>192.168.0.1
>Mar  6 16:04:14 slinux pppd[833]: pppd 2.4.0 started by root, uid 0
>Mar  6 16:04:14 slinux pppd[833]: using channel 3
>Mar  6 16:04:14 slinux pppd[833]: Using interface ppp0
>Mar  6 16:04:14 slinux pppd[833]: Connect: ppp0 <--> /dev/pts/1
>Mar  6 16:04:14 slinux pppd[833]: sent [LCP ConfReq id=0x1 <asyncmap 0x0>
><auth chap MD5> <magic 0x252b63f> <pcomp> <accomp>]
>Mar  6 16:04:14 slinux pptpd[832]: CTRL: Sent packet to client
>Mar  6 16:04:14 slinux pptpd[832]: CTRL: Received PPTP Control Message
>(type: 15)
>Mar  6 16:04:14 slinux pptpd[832]: CTRL: Got a SET LINK INFO packet with
>standard ACCMs
>Mar  6 16:04:17 slinux pppd[833]: sent [LCP ConfReq id=0x1 <asyncmap 0x0>
><auth chap MD5> <magic 0x252b63f> <pcomp> <accomp>]
>Mar  6 16:04:41 slinux last message repeated 8 times
>Mar  6 16:04:44 slinux pppd[833]: LCP: timeout sending Config-Requests
>Mar  6 16:04:44 slinux pppd[833]: Connection terminated.
>Mar  6 16:04:44 slinux pppd[833]: Couldn't release PPP unit: Inappropriate
>ioctl for device
>Mar  6 16:04:44 slinux pppd[833]: Exit.
>Mar  6 16:04:44 slinux pptpd[832]: Error reading from pppd: Input/output
>error
>Mar  6 16:04:44 slinux pptpd[832]: CTRL: GRE read or PTY write failed
>(gre,pty)=(6,5)
>Mar  6 16:04:44 slinux pptpd[832]: CTRL: Client 203.96.149.75 control
>connection finished
>Mar  6 16:04:44 slinux pptpd[832]: CTRL: Exiting now
>Mar  6 16:04:44 slinux pptpd[249]: MGR: Reaped child 832
>
>The 203.96.149.75 address is the one given to the Win2K PC dialing in to 
>the
>Internet.
>
>As there is no modem ISDN etc connection is there something that I have
>missed with the PPP setup
>
>I'm relatively new to Linux so more detail than less would be helpful.
>
>Thanks John
>
>
>
>
>
>
>
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