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

[John Stephens]

Havn't got it working yet but found out why it isn't.
GRE dosn't like NAT
http://nsupport.elronsoftware.com/support/fwweb.nsf/c9629841688f08070525656b
0044511b/172d0da90a220ced85256840007cc235?OpenDocument
Thanks for the responses

John Stephens

> 
> John Stephens wrote:
> > 
> > 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

> > >
> > >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
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >_______________________________________________
> > >pptp-server maillist  -  pptp-server at lists.schulte.org
> > >http://lists.schulte.org/mailman/listinfo/pptp-server
> > >--- To unsubscribe, go to the url just above this line. --
> > 
> > _________________________________________________________________
> > Get your FREE download of MSN Explorer at 
> http://explorer.msn.com/intl.asp.
> > 
> _______________________________________________
> > pptp-server maillist  -  pptp-server at lists.schulte.org
> > http://lists.schulte.org/mailman/listinfo/pptp-server
> > --- To unsubscribe, go to the url just above this line. --
> _______________________________________________
> pptp-server maillist  -  pptp-server at lists.schulte.org
> http://lists.schulte.org/mailman/listinfo/pptp-server
> --- To unsubscribe, go to the url just above this line. --
>