[pptp-server] poptop and win2k client...
Varghese, Amith
amith.varghese at tallan.com
Thu Jan 4 10:16:21 CST 2001
Is there a version for win2k? i have cygwin and i managed to get traceroute
to compile on the win2k machine (by fudging some of the code). However it
doesn't seem to work at all. any ideas?
thanks
amith
-----Original Message-----
From: David Moylan
Sent: Thursday, January 04, 2001 6:12 AM
To: Varghese, Amith; pptp-server at lists.schulte.org
Subject: Re: [pptp-server] poptop and win2k client...
i would be getting the GRE patched version of traceroute
and tracing from the client to the server.
the PIX firewall may not be letting GRE through.
having NAT upstream doesn't help things at all either.
cheers, Wiz!!
----- Original Message -----
From: "Varghese, Amith" <amith.varghese at tallan.com>
To: <pptp-server at lists.schulte.org>
Sent: Thursday, January 04, 2001 5:41 PM
Subject: [pptp-server] poptop and win2k client...
> I'm having some problems getting my VPN set up with poptop. sometimes i
can
> connect and sometimes i can't. here is my information:
>
> I'm running poptop on a red hat 6.1 machine with the kernel version
2.2.18.
> I'm running poptop version 1.1.2 and pppd version 2.3.11. My internal IP
of
> the VPN server is 192.168.4.244 and i have a network mask of 255.255.254.0
> (to reach the 192.168.5.x subnet does not require me to go through a
> router). The pool of available address that i have to give out to clients
> is 192.168.5.230-240. I followed the configuration details in
> http://www.vibrationresearch.com/pptpd/example.html and got everything up
> and running. However, when I try to connect from my ISP (outside the
> network), I can only connect intermittently. At the bottom of my message
is
> my debug log. When I try to connect (and when it fails) I get errors that
> can be found in debug log #1. However if I keep trying, eventually I will
> connect. However, then I start getting errors in debug log #2. Once I do
> connect, however, I can not ping anything except for the IP that the VPN
> server gave me. I'm not sure if this has anything to do with the fact
that
> my VPN server is on a different subnet then my client IP pool. Also, one
of
> the other things about my setup is that the public IP address that I
connect
> to from my ISP is actually an address that a PIX firewall NATs to my
> internal machine (the PIX allows everything through- including GRE and any
> needed PPTP control packets). I am attaching all of my relevant
> configuration files. Any help would be appreciated.
>
> Thanks
> Amith
>
>
############################################################################
> ##########
> route on VPN server
>
> Kernel IP routing table
> Destination Gateway Genmask Flags Metric Ref Use Iface
> 192.168.4.244 * 255.255.255.255 UH 0 0 eth0
> 192.168.4.0 * 255.255.254.0 U 0 0
> eth0
> 127.0.0.0 * 255.0.0.0 U 0 0
> lo
> default 192.168.4.1 0.0.0.0 UG 0 0
> eth0
>
>
>
############################################################################
> ##########
> /etc/conf.modules
>
> alias tty-ldisc-3 ppp_async
> alias char-major-108 off
> alias ppp-compress-18 ppp_mppe
> alias ppp-compress-21 bsd_comp
> alias ppp-compress-24 ppp_deflate
> alias ppp-compress-26 ppp_deflate
>
>
>
############################################################################
> ##########
> /etc/pptpd.conf
>
> debug
> localip 192.168.4.244
> remoteip 192.168.5.230-240
>
>
############################################################################
> ##########
> /etc/chap-secrets
>
> # Secrets for authentication using CHAP
> # client server secret IP addresses
> vpnclient1 gateway secret 192.168.5.230
> vpnclient2 gateway secret 192.168.5.231
> vpnclient3 gateway secret 192.168.5.232
> vpnclient4 gateway secret 192.168.5.233
> vpnclient5 gateway secret 192.168.5.234
> vpnclient6 gateway secret 192.168.5.235
> vpnclient7 gateway secret 192.168.5.236
> vpnclient8 gateway secret 192.168.5.237
> vpnclient9 gateway secret 192.168.5.238
> vpnclient10 gateway secret 192.168.5.239
> vpnclient11 gateway secret 192.168.5.240
>
>
>
############################################################################
> ##########
> /etc/ppp/options
>
> debug
> name gateway
> mtu 1450
> mru 1450
> auth
> require-chap
> +chap
> +chapms
> +chapms-v2
> mppe-40
> mppe-128
> mppe-stateless
> ms-dns 192.168.2.251
> ms-dns 192.168.2.252
> ms-wins 192.168.2.251
> ms-wins 192.168.2.252
> proxyarp
> 192.168.4.244:
>
>
>
############################################################################
> ##########
> route print on w2k client after connecting to vpn. I removed my public IP
> address of the pptp server
>
>
===========================================================================
> Interface List
> 0x1 ........................... MS TCP Loopback interface
> 0x1000003 ...00 b0 d0 59 ea 2e ...... 3Com EtherLink PCI
> 0x1000004 ...00 10 a4 c2 eb c7 ...... Xircom CardBus Ethernet 10/100
Adapter
> 0xe000005 ...00 53 45 00 00 00 ...... WAN (PPP/SLIP) Interface
> 0xf000006 ...00 53 45 00 00 00 ...... WAN (PPP/SLIP) Interface
>
===========================================================================
>
===========================================================================
> Active Routes:
> Network Destination Netmask Gateway Interface
Metric
> 0.0.0.0 0.0.0.0 192.168.5.230 192.168.5.230
1
> 0.0.0.0 0.0.0.0 216.67.70.108 216.67.70.108
2
> <IP of pptp server> 255.255.255.255 216.67.70.108 216.67.70.108
> 1
> 127.0.0.0 255.0.0.0 127.0.0.1 127.0.0.1
1
> 192.168.4.244 255.255.255.255 192.168.5.230 192.168.5.230
1
> 192.168.5.230 255.255.255.255 127.0.0.1 127.0.0.1
1
> 192.168.5.255 255.255.255.255 192.168.5.230 192.168.5.230
1
> 216.67.11.1 255.255.255.255 216.67.70.108 216.67.70.108
1
> 216.67.70.108 255.255.255.255 127.0.0.1 127.0.0.1
1
> 216.67.70.255 255.255.255.255 216.67.70.108 216.67.70.108
1
> 224.0.0.0 224.0.0.0 192.168.5.230 192.168.5.230
1
> 224.0.0.0 224.0.0.0 216.67.70.108 216.67.70.108
1
> 255.255.255.255 255.255.255.255 192.168.5.230 1000003
1
> Default Gateway: 192.168.5.230
>
===========================================================================
> Persistent Routes:
> None
>
>
>
############################################################################
> ##########
> Debug Log #1
>
> Jan 4 02:04:42 localhost kernel: PPP line discipline registered.
> Jan 4 02:04:42 localhost kernel: PPP MPPE compression module registered
> Jan 4 02:04:42 localhost kernel: PPP BSD Compression module registered
> Jan 4 02:04:42 localhost kernel: PPP Deflate Compression module
registered
> Jan 4 02:04:59 localhost PAM_pwdb[603]: (login) session opened for user
> root by LOGIN(uid=0)
> Jan 4 02:05:27 localhost pptpd[626]: CTRL: Client 216.67.70.108 control
> connection started
> Jan 4 02:05:29 localhost pptpd[626]: CTRL: Starting call (launching pppd,
> opening GRE)
> Jan 4 02:05:29 localhost kernel: registered device ppp0
> Jan 4 02:05:29 localhost pppd[627]: pppd 2.3.11 started by root, uid 0
> Jan 4 02:05:29 localhost pppd[627]: Using interface ppp0
> Jan 4 02:05:29 localhost pppd[627]: Connect: ppp0 <--> /dev/pts/0
> Jan 4 02:05:29 localhost pptpd[626]: CTRL: Ignored a SET LINK INFO packet
> with real ACCMs!
> Jan 4 02:05:29 localhost pppd[627]: MSCHAP-v2 peer authentication
succeeded
> for vpnclient1
> Jan 4 02:05:29 localhost pppd[627]: found interface eth0 for proxy arp
> Jan 4 02:05:29 localhost pppd[627]: local IP address 192.168.4.244
> Jan 4 02:05:29 localhost pppd[627]: remote IP address 192.168.5.230
> Jan 4 02:05:35 localhost pppd[627]: MPPE 128 bit, stateless compression
> enabled
> Jan 4 02:05:36 localhost pppd[627]: MPPE 128 bit, stateless compression
> enabled
> Jan 4 02:05:50 localhost pptpd[626]: CTRL: Ignored a SET LINK INFO packet
> with real ACCMs!
> Jan 4 02:05:50 localhost pppd[627]: LCP terminated by peer
> (C!~.^@<M-Mt^@^@^@^@)
> Jan 4 02:05:50 localhost pppd[627]: Modem hangup
> Jan 4 02:05:50 localhost pppd[627]: Connection terminated.
> Jan 4 02:05:50 localhost pppd[627]: Connect time 0.4 minutes.
> Jan 4 02:05:50 localhost pppd[627]: Sent 867 bytes, received 9984 bytes.
> Jan 4 02:05:50 localhost pppd[627]: Exit.
> Jan 4 02:05:50 localhost pptpd[626]: GRE: read error: Bad file descriptor
> Jan 4 02:05:50 localhost pptpd[626]: CTRL: PTY read or GRE write failed
> (pty,gre)=(-1,-1)
> Jan 4 02:05:50 localhost pptpd[626]: CTRL: Client 216.67.70.108 control
> connection finished
>
>
>
############################################################################
> ##########
> Debug Log #2
>
> Jan 4 02:20:40 localhost pptpd[639]: CTRL: Client 216.67.70.108 control
> connection started
> Jan 4 02:20:40 localhost pptpd[639]: CTRL: Starting call (launching pppd,
> opening GRE)
> Jan 4 02:20:40 localhost pppd[640]: pppd 2.3.11 started by root, uid 0
> Jan 4 02:20:40 localhost pppd[640]: Using interface ppp0
> Jan 4 02:20:40 localhost pppd[640]: Connect: ppp0 <--> /dev/pts/0
> Jan 4 02:20:41 localhost pptpd[639]: Buffering out-of-order packet; got 1
> after 4294967295
> Jan 4 02:20:41 localhost pptpd[639]: CTRL: Ignored a SET LINK INFO packet
> with real ACCMs!
> Jan 4 02:20:41 localhost pppd[640]: MSCHAP-v2 peer authentication
succeeded
> for vpnclient1
> Jan 4 02:20:41 localhost pptpd[639]: Buffering out-of-order packet; got 9
> after 7
> Jan 4 02:20:41 localhost pppd[640]: found interface eth0 for proxy arp
> Jan 4 02:20:41 localhost pppd[640]: local IP address 192.168.4.244
> Jan 4 02:20:41 localhost pppd[640]: remote IP address 192.168.5.230
> Jan 4 02:20:48 localhost pppd[640]: MPPE 128 bit, stateless compression
> enabled
> Jan 4 02:20:49 localhost pppd[640]: Unsupported protocol 0x3017 received
> Jan 4 02:20:50 localhost pppd[640]: Unsupported protocol 0x409b received
> Jan 4 02:20:50 localhost pppd[640]: Unsupported protocol 0xf243 received
> Jan 4 02:20:50 localhost pppd[640]: Unsupported protocol 0xa04d received
> Jan 4 02:20:51 localhost pppd[640]: Unsupported protocol 0xecc8 received
> Jan 4 02:20:51 localhost pppd[640]: Unsupported protocol 0x6590 received
> Jan 4 02:20:51 localhost pppd[640]: Unsupported protocol 0x11a2 received
> Jan 4 02:20:52 localhost pppd[640]: MPPE 128 bit, stateless compression
> enabled
> Jan 4 02:22:00 localhost pptpd[639]: Buffering out-of-order packet; got
103
> after 101
> Jan 4 02:23:18 localhost pptpd[639]: CTRL: Ignored a SET LINK INFO packet
> with real ACCMs!
> Jan 4 02:23:18 localhost pppd[640]: LCP terminated by peer
> (^]M-(w[^@<M-Mt^@^@^@^@)
> Jan 4 02:23:18 localhost pppd[640]: Modem hangup
> Jan 4 02:23:18 localhost pppd[640]: Connection terminated.
> Jan 4 02:23:18 localhost pppd[640]: Connect time 2.7 minutes.
> Jan 4 02:23:18 localhost pppd[640]: Sent 1743 bytes, received 13495
bytes.
> Jan 4 02:23:18 localhost pppd[640]: Exit.
> Jan 4 02:23:18 localhost pptpd[639]: GRE: read error: Bad file descriptor
> Jan 4 02:23:18 localhost pptpd[639]: CTRL: PTY read or GRE write failed
> (pty,gre)=(-1,-1)
> Jan 4 02:23:18 localhost pptpd[639]: CTRL: Client 216.67.70.108 control
> connection finished
>
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