[pptp-server] pptpd GRE/ICMP..ACL troubles - extensive debugging included

Antti A Luostarinen aaluosta at cc.helsinki.fi
Mon Mar 6 16:24:51 CST 2000


Greetings, Sirs!

Here are my TONS of newbie questions and the problem with pptpd.


My /etc/pptpd.conf
------------------------------------------------------------------
speed 115200
localip 195.148.80.234-235
remoteip 195.148.80.236-237
------------------------------------------------------------------
 ^- I have assigned unused IPs from our main pool for the use of
    pptp VPN connections. I have no clue why you have to give a
    "local ip" PLUS a "remote ip", the IP of the machine I run
    pptpd on is in the same 195.148.80. network. Could I just
    create some bogus IPs such as 192.168.0.* and still have
    working connections towards the Internet?

    Also, what about the speed? We are planning on cable-modem
    connections, 115200 is far too slow for that or is it auto-
    negotiated?


My /etc/ppp/chap-secrets
-------------------------------------------------------------------
# Secrets for authentication using CHAP
# client        server  secret                  IP addresses
testuser     *       testtest     *
-------------------------------------------------------------------
 ^- So basically any machine from any IP would be able to connect
    with login testuser and password testtest? Please, someone brief
    me what does that "server" there stand for.. as I have bluntly
    put * there.


My /etc/ppp/options
-------------------------------------------------------------------
debug
name servername
auth
require-chap
proxyarp
-------------------------------------------------------------------
 ^- Hm now should I have name * or something here? I'm just trying
    to get the connection UP with these settings. Worry about other
    things later. I claim I have compiled everything correctly with
    ppp, pptpd and the linux kernel. Oh yeah, I tried the name *
    without any more success than before ;)



And now to the logs, these are a few days old (well as I got really
irritated with the pptp VPN situation I decided to leave it on hold)
...


On windows 98 side:
-------------------------------------------------------------------
02-18-2000 17:58:56.86 - Microsoft Dial Up Adapter log opened.
02-18-2000 17:58:56.86 - Server type is  PPP (Point to Point Protocol).
02-18-2000 17:58:56.86 - FSA : Adding Control Protocol 80fd (CCP) to
control protocol chain.
02-18-2000 17:58:56.86 - FSA : Protocol not bound - skipping control
protocol 803f (NBFCP).
02-18-2000 17:58:56.86 - FSA : Adding Control Protocol 8021 (IPCP) to
control protocol chain.
02-18-2000 17:58:56.86 - FSA : Protocol not bound - skipping control
protocol 802b (IPXCP).
02-18-2000 17:58:56.86 - FSA : Adding Control Protocol c029 (CallbackCP)
to control protocol chain.
02-18-2000 17:58:56.86 - FSA : Encrypted Password required.
02-18-2000 17:58:56.86 - FSA : Encrypted Password required.
02-18-2000 17:58:56.86 - FSA : Adding Control Protocol c223 (CHAP) to
control protocol chain.
02-18-2000 17:58:56.86 - FSA : Adding Control Protocol c021 (LCP) to
control protocol chain.
02-18-2000 17:58:56.86 - LCP : Layer started.
02-18-2000 17:58:56.86 - PPP : Transmitting Control Packet of length: 16
02-18-2000 17:58:56.86 - Data 0000: c0 21 01 01 00 0e 05 06 | .!......
02-18-2000 17:58:56.86 - Data 0008: 0a 6f a4 7f 07 02 08 02 | .o......
02-18-2000 17:58:57.34 - PPP : Received Control Packet of length: 27
02-18-2000 17:58:57.34 - Data 0000: c0 21 01 01 00 19 02 06 | .!.....
02-18-2000 17:58:57.34 - Data 0008: 00 00 00 00 03 05 c2 23 | .......#
02-18-2000 17:58:57.34 - Data 0010: 05 05 06 fa 64 69 0a 07 | ....di..
02-18-2000 17:58:57.34 - Data 0018: 02 08 02 00 00 00 00 00 | ........
02-18-2000 17:58:57.34 - LCP : Received and accepted ACCM of 0.
02-18-2000 17:58:57.34 - LCP : Received and accepted authentication
protocol c223 (CHAP).
02-18-2000 17:58:57.34 - LCP : Received and accepted magic number
fa64690a.
02-18-2000 17:58:57.34 - LCP : Received and accepted protocol field
compression option.
02-18-2000 17:58:57.34 - LCP : Received and accepted address+control
field compression option.
02-18-2000 17:58:57.34 - PPP : Transmitting Control Packet of length: 27
02-18-2000 17:58:57.34 - Data 0000: c0 21 02 01 00 19 02 06 | .!.....
02-18-2000 17:58:57.34 - Data 0008: 00 00 00 00 03 05 c2 23 | .......#
02-18-2000 17:58:57.34 - Data 0010: 05 05 06 fa 64 69 0a 07 | ....di..
02-18-2000 17:58:57.34 - Data 0018: 02 08 02 00 00 00 00 00 | ........
02-18-2000 17:58:59.86 - PPP : Transmitting Control Packet of length: 16
02-18-2000 17:58:59.86 - Data 0000: c0 21 01 02 00 0e 05 06 | .!......
02-18-2000 17:58:59.86 - Data 0008: 0a 6f a4 7f 07 02 08 02 | .o......
02-18-2000 17:59:00.15 - PPP : Received Control Packet of length: 27
02-18-2000 17:59:00.15 - Data 0000: c0 21 01 01 00 19 02 06 | .!.....
02-18-2000 17:59:00.15 - Data 0008: 00 00 00 00 03 05 c2 23 | .......#
02-18-2000 17:59:00.15 - Data 0010: 05 05 06 fa 64 69 0a 07 | ....di..
02-18-2000 17:59:00.15 - Data 0018: 02 08 02 00 00 00 00 00 | ........
02-18-2000 17:59:00.15 - LCP : Received and accepted ACCM of 0.
02-18-2000 17:59:00.15 - LCP : Received and accepted authentication
protocol c223 (CHAP).
02-18-2000 17:59:00.15 - LCP : Received and accepted magic number
fa64690a.
02-18-2000 17:59:00.15 - LCP : Received and accepted protocol field
compression option.
02-18-2000 17:59:00.15 - LCP : Received and accepted address+control
field compression option.
02-18-2000 17:59:00.15 - PPP : Transmitting Control Packet of length: 27
02-18-2000 17:59:00.15 - Data 0000: c0 21 02 01 00 19 02 06 | .!.....
02-18-2000 17:59:00.15 - Data 0008: 00 00 00 00 03 05 c2 23 | .......#
02-18-2000 17:59:00.15 - Data 0010: 05 05 06 fa 64 69 0a 07 | ....di..
02-18-2000 17:59:00.15 - Data 0018: 02 08 02 00 00 00 00 00 | ........
02-18-2000 17:59:02.86 - PPP : Transmitting Control Packet of length: 16
02-18-2000 17:59:02.86 - Data 0000: c0 21 01 03 00 0e 05 06 | .!......
02-18-2000 17:59:02.86 - Data 0008: 0a 6f a4 7f 07 02 08 02 | .o......
02-18-2000 17:59:03.16 - PPP : Received Control Packet of length: 27
02-18-2000 17:59:03.16 - Data 0000: c0 21 01 01 00 19 02 06 | .!.....
02-18-2000 17:59:03.16 - Data 0008: 00 00 00 00 03 05 c2 23 | .......#
02-18-2000 17:59:03.16 - Data 0010: 05 05 06 fa 64 69 0a 07 | ....di..
02-18-2000 17:59:03.16 - Data 0018: 02 08 02 00 00 00 00 00 | ........
02-18-2000 17:59:03.16 - LCP : Received and accepted ACCM of 0.
02-18-2000 17:59:03.16 - LCP : Received and accepted authentication
protocol c223 (CHAP).
02-18-2000 17:59:03.16 - LCP : Received and accepted magic number
fa64690a.
02-18-2000 17:59:03.16 - LCP : Received and accepted protocol field
compression option.
02-18-2000 17:59:03.16 - LCP : Received and accepted address+control
field compression option.
02-18-2000 17:59:03.16 - PPP : Transmitting Control Packet of length: 27
02-18-2000 17:59:03.16 - Data 0000: c0 21 02 01 00 19 02 06 | .!.....
02-18-2000 17:59:03.16 - Data 0008: 00 00 00 00 03 05 c2 23 | .......#
02-18-2000 17:59:03.16 - Data 0010: 05 05 06 fa 64 69 0a 07 | ....di..
02-18-2000 17:59:03.16 - Data 0018: 02 08 02 00 00 00 00 00 | ........
02-18-2000 17:59:05.86 - PPP : Transmitting Control Packet of length: 16
02-18-2000 17:59:05.86 - Data 0000: c0 21 01 04 00 0e 05 06 | .!......
02-18-2000 17:59:05.86 - Data 0008: 0a 6f a4 7f 07 02 08 02 | .o......
02-18-2000 17:59:06.16 - PPP : Received Control Packet of length: 27
02-18-2000 17:59:06.16 - Data 0000: c0 21 01 01 00 19 02 06 | .!.....
02-18-2000 17:59:06.16 - Data 0008: 00 00 00 00 03 05 c2 23 | .......#
02-18-2000 17:59:06.16 - Data 0010: 05 05 06 fa 64 69 0a 07 | ....di..
02-18-2000 17:59:06.16 - Data 0018: 02 08 02 00 00 00 00 00 | ........
02-18-2000 17:59:06.16 - LCP : Received and accepted ACCM of 0.
02-18-2000 17:59:06.16 - LCP : Received and accepted authentication
protocol c223 (CHAP).
02-18-2000 17:59:06.16 - LCP : Received and accepted magic number
fa64690a.
02-18-2000 17:59:06.16 - LCP : Received and accepted protocol field
compression option.
02-18-2000 17:59:06.16 - LCP : Received and accepted address+control
field compression option.
02-18-2000 17:59:06.16 - PPP : Transmitting Control Packet of length: 27
02-18-2000 17:59:06.16 - Data 0000: c0 21 02 01 00 19 02 06 | .!.....
02-18-2000 17:59:06.16 - Data 0008: 00 00 00 00 03 05 c2 23 | .......#
02-18-2000 17:59:06.16 - Data 0010: 05 05 06 fa 64 69 0a 07 | ....di..
02-18-2000 17:59:06.16 - Data 0018: 02 08 02 00 00 00 00 00 | ........
02-18-2000 17:59:08.86 - PPP : Transmitting Control Packet of length: 16
02-18-2000 17:59:08.86 - Data 0000: c0 21 01 05 00 0e 05 06 | .!......
02-18-2000 17:59:08.86 - Data 0008: 0a 6f a4 7f 07 02 08 02 | .o......
02-18-2000 17:59:09.18 - PPP : Received Control Packet of length: 27
02-18-2000 17:59:09.18 - Data 0000: c0 21 01 01 00 19 02 06 | .!.....
02-18-2000 17:59:09.18 - Data 0008: 00 00 00 00 03 05 c2 23 | .......#
02-18-2000 17:59:09.18 - Data 0010: 05 05 06 fa 64 69 0a 07 | ....di..
02-18-2000 17:59:09.18 - Data 0018: 02 08 02 00 00 00 00 00 | ........
02-18-2000 17:59:09.18 - LCP : Received and accepted ACCM of 0.
02-18-2000 17:59:09.18 - LCP : Received and accepted authentication
protocol c223 (CHAP).
02-18-2000 17:59:09.18 - LCP : Received and accepted magic number
fa64690a.
02-18-2000 17:59:09.18 - LCP : Received and accepted protocol field
compression option.
02-18-2000 17:59:09.18 - LCP : Received and accepted address+control
field compression option.
02-18-2000 17:59:09.18 - PPP : Transmitting Control Packet of length: 27
02-18-2000 17:59:09.18 - Data 0000: c0 21 02 01 00 19 02 06 | .!.....
02-18-2000 17:59:09.18 - Data 0008: 00 00 00 00 03 05 c2 23 | .......#
02-18-2000 17:59:09.18 - Data 0010: 05 05 06 fa 64 69 0a 07 | ....di..
02-18-2000 17:59:09.18 - Data 0018: 02 08 02 00 00 00 00 00 | ........
02-18-2000 17:59:11.86 - PPP : Transmitting Control Packet of length: 16
02-18-2000 17:59:11.86 - Data 0000: c0 21 01 06 00 0e 05 06 | .!......
02-18-2000 17:59:11.86 - Data 0008: 0a 6f a4 7f 07 02 08 02 | .o......
02-18-2000 17:59:12.19 - PPP : Received Control Packet of length: 27
02-18-2000 17:59:12.19 - Data 0000: c0 21 01 01 00 19 02 06 | .!.....
02-18-2000 17:59:12.19 - Data 0008: 00 00 00 00 03 05 c2 23 | .......#
02-18-2000 17:59:12.19 - Data 0010: 05 05 06 fa 64 69 0a 07 | ....di..
02-18-2000 17:59:12.19 - Data 0018: 02 08 02 00 00 00 00 00 | ........
02-18-2000 17:59:12.19 - LCP : Received and accepted ACCM of 0.
02-18-2000 17:59:12.19 - LCP : Received and accepted authentication
protocol c223 (CHAP).
02-18-2000 17:59:12.19 - LCP : Received and accepted magic number
fa64690a.
02-18-2000 17:59:12.19 - LCP : Received and accepted protocol field
compression option.
02-18-2000 17:59:12.19 - LCP : Received and accepted address+control
field compression option.
02-18-2000 17:59:12.19 - PPP : Transmitting Control Packet of length: 27
02-18-2000 17:59:12.19 - Data 0000: c0 21 02 01 00 19 02 06 | .!.....
02-18-2000 17:59:12.19 - Data 0008: 00 00 00 00 03 05 c2 23 | .......#
02-18-2000 17:59:12.19 - Data 0010: 05 05 06 fa 64 69 0a 07 | ....di..
02-18-2000 17:59:12.19 - Data 0018: 02 08 02 00 00 00 00 00 | ........
02-18-2000 17:59:14.85 - PPP : Transmitting Control Packet of length: 16
02-18-2000 17:59:14.85 - Data 0000: c0 21 01 07 00 0e 05 06 | .!......
02-18-2000 17:59:14.85 - Data 0008: 0a 6f a4 7f 07 02 08 02 | .o......
02-18-2000 17:59:15.20 - PPP : Received Control Packet of length: 27
02-18-2000 17:59:15.20 - Data 0000: c0 21 01 01 00 19 02 06 | .!.....
02-18-2000 17:59:15.20 - Data 0008: 00 00 00 00 03 05 c2 23 | .......#
02-18-2000 17:59:15.20 - Data 0010: 05 05 06 fa 64 69 0a 07 | ....di..
02-18-2000 17:59:15.20 - Data 0018: 02 08 02 00 00 00 00 00 | ........
02-18-2000 17:59:15.20 - LCP : Received and accepted ACCM of 0.
02-18-2000 17:59:15.20 - LCP : Received and accepted authentication
protocol c223 (CHAP).
02-18-2000 17:59:15.20 - LCP : Received and accepted magic number
fa64690a.
02-18-2000 17:59:15.20 - LCP : Received and accepted protocol field
compression option.
02-18-2000 17:59:15.20 - LCP : Received and accepted address+control
field compression option.
02-18-2000 17:59:15.20 - PPP : Transmitting Control Packet of length: 27
02-18-2000 17:59:15.20 - Data 0000: c0 21 02 01 00 19 02 06 | .!.....
02-18-2000 17:59:15.20 - Data 0008: 00 00 00 00 03 05 c2 23 | .......#
02-18-2000 17:59:15.20 - Data 0010: 05 05 06 fa 64 69 0a 07 | ....di..
02-18-2000 17:59:15.20 - Data 0018: 02 08 02 00 00 00 00 00 | ........
02-18-2000 17:59:17.85 - PPP : Transmitting Control Packet of length: 16
02-18-2000 17:59:17.85 - Data 0000: c0 21 01 08 00 0e 05 06 | .!......
02-18-2000 17:59:17.85 - Data 0008: 0a 6f a4 7f 07 02 08 02 | .o......
02-18-2000 17:59:18.20 - PPP : Received Control Packet of length: 27
02-18-2000 17:59:18.20 - Data 0000: c0 21 01 01 00 19 02 06 | .!.....
02-18-2000 17:59:18.20 - Data 0008: 00 00 00 00 03 05 c2 23 | .......#
02-18-2000 17:59:18.20 - Data 0010: 05 05 06 fa 64 69 0a 07 | ....di..
02-18-2000 17:59:18.20 - Data 0018: 02 08 02 00 00 00 00 00 | ........
02-18-2000 17:59:18.20 - LCP : Received and accepted ACCM of 0.
02-18-2000 17:59:18.20 - LCP : Received and accepted authentication
protocol c223 (CHAP).
02-18-2000 17:59:18.20 - LCP : Received and accepted magic number
fa64690a.
02-18-2000 17:59:18.20 - LCP : Received and accepted protocol field
compression option.
02-18-2000 17:59:18.20 - LCP : Received and accepted address+control
field compression option.
02-18-2000 17:59:18.20 - PPP : Transmitting Control Packet of length: 27
02-18-2000 17:59:18.20 - Data 0000: c0 21 02 01 00 19 02 06 | .!.....
02-18-2000 17:59:18.20 - Data 0008: 00 00 00 00 03 05 c2 23 | .......#
02-18-2000 17:59:18.20 - Data 0010: 05 05 06 fa 64 69 0a 07 | ....di..
02-18-2000 17:59:18.20 - Data 0018: 02 08 02 00 00 00 00 00 | ........
02-18-2000 17:59:20.86 - PPP : Transmitting Control Packet of length: 16
02-18-2000 17:59:20.86 - Data 0000: c0 21 01 09 00 0e 05 06 | .!......
02-18-2000 17:59:20.86 - Data 0008: 0a 6f a4 7f 07 02 08 02 | .o......
02-18-2000 17:59:21.22 - PPP : Received Control Packet of length: 27
02-18-2000 17:59:21.22 - Data 0000: c0 21 01 01 00 19 02 06 | .!.....
02-18-2000 17:59:21.22 - Data 0008: 00 00 00 00 03 05 c2 23 | .......#
02-18-2000 17:59:21.22 - Data 0010: 05 05 06 fa 64 69 0a 07 | ....di..
02-18-2000 17:59:21.22 - Data 0018: 02 08 02 00 00 00 00 00 | ........
02-18-2000 17:59:24.23 - PPP : Received Control Packet of length: 27
02-18-2000 17:59:24.23 - Data 0000: c0 21 01 01 00 19 02 06 | .!.....
02-18-2000 17:59:24.23 - Data 0008: 00 00 00 00 03 05 c2 23 | .......#
02-18-2000 17:59:24.23 - Data 0010: 05 05 06 fa 64 69 0a 07 | ....di..
02-18-2000 17:59:24.23 - Data 0018: 02 08 02 00 00 00 00 00 | ........
02-18-2000 17:59:24.36 - LCP : Layer finished.
02-18-2000 17:59:24.37 - Remote access driver is shutting down.
02-18-2000 17:59:24.37 - CRC Errors             0
02-18-2000 17:59:24.37 - Timeout Errors         0
02-18-2000 17:59:24.37 - Alignment Errors       0
02-18-2000 17:59:24.37 - Overrun Errors         0
02-18-2000 17:59:24.37 - Framing Errors         0
02-18-2000 17:59:24.37 - Buffer Overrun Errors  0
02-18-2000 17:59:24.37 - Incomplete Packets     0
02-18-2000 17:59:24.37 - Bytes Received         290
02-18-2000 17:59:24.37 - Bytes Transmittted     376
02-18-2000 17:59:24.37 - Frames Received        10
02-18-2000 17:59:24.37 - Frames Transmitted     16
02-18-2000 17:59:24.37 - LCP : Layer started.
02-18-2000 17:59:24.37 - Microsoft Dial Up Adapter log closed.
-------------------------------------------------------------------


On Linux side:  (the clock was wrong on this machine :))
-------------------------------------------------------------------
Feb 18 18:52:08 www pptpd[15816]: MGR: Launching
/usr/local/sbin/pptpctrl to handle client
Feb 18 18:52:08 www pptpd[15816]: CTRL: local address = 195.148.80.235
Feb 18 18:52:08 www pptpd[15816]: CTRL: remote address = 195.148.80.238
Feb 18 18:52:08 www pptpd[15816]: CTRL: pppd speed = 115200
Feb 18 18:52:08 www pptpd[15816]: CTRL: Client 212.90.78.176 control
connection started
Feb 18 18:52:08 www pptpd[15816]: CTRL: Received PPTP Control Message
(type: 1)
Feb 18 18:52:08 www pptpd[15816]: CTRL: Made a START CTRL CONN RPLY
packet
Feb 18 18:52:08 www pptpd[15816]: CTRL: I wrote 156 bytes to the client.
Feb 18 18:52:08 www pptpd[15816]: CTRL: Sent packet to client
Feb 18 18:52:08 www pptpd[15816]: CTRL: Received PPTP Control Message
(type: 7)
Feb 18 18:52:08 www pptpd[15816]: CTRL: Set parameters to 0 maxbps, 16
window size
Feb 18 18:52:08 www pptpd[15816]: CTRL: Made a OUT CALL RPLY packet
Feb 18 18:52:08 www pptpd[15816]: CTRL: Starting call (launching pppd,
opening GRE)
Feb 18 18:52:08 www pptpd[15816]: CTRL: pty_fd = 4
Feb 18 18:52:08 www pptpd[15816]: CTRL: tty_fd = 5
Feb 18 18:52:08 www pptpd[15816]: CTRL: I wrote 32 bytes to the client.
Feb 18 18:52:08 www pptpd[15816]: CTRL: Sent packet to client
Feb 18 18:52:08 www pptpd[15817]: CTRL (PPPD Launcher): Connection speed
= 115200
Feb 18 18:52:08 www pptpd[15817]: CTRL (PPPD Launcher): local address =
195.148.80.235
Feb 18 18:52:08 www pptpd[15817]: CTRL (PPPD Launcher): remote address =
195.148.80.238
Feb 18 18:52:36 www pptpd[15816]: CTRL: Received PPTP Control Message
(type: 12)
Feb 18 18:52:36 www pptpd[15808]: MGR: Reaped child 15816
Feb 18 18:52:36 www pptpd[15816]: CTRL: Made a CALL DISCONNECT RPLY
packet
Feb 18 18:52:36 www pptpd[15816]: CTRL: Received CALL CLR request
(closing call)
Feb 18 18:52:36 www pptpd[15816]: CTRL: I wrote 148 bytes to the client.
Feb 18 18:52:36 www pptpd[15816]: CTRL: Sent packet to client
Feb 18 18:52:36 www pptpd[15816]: CTRL: Error with select(), quitting
Feb 18 18:52:36 www pptpd[15816]: CTRL: Client 212.90.78.176 control
connection finished
Feb 18 18:52:36 www pptpd[15816]: CTRL: Exiting now
-------------------------------------------------------------------


Taken actions :
***************
Ok, what I also have done is requested the port 1723 open on the
machine that I have /usr/local/sbin/pptpd -d running on. It is
open.

I also asked our guy responsible for the Cisco routers to put the
following lines into the access-lists: (he did)
-------------------------------------------------------------------
inbound acl to network with PPTP server:
access-list 100 permit gre any host 195.148.80.239

outbound acl from network with PPTP server:
access-list 101 permit gre host 195.138.80.239 any
-------------------------------------------------------------------
(these were kindly provided by David Luyer from this mailing list in
an earlier thread..)


As I try to connect I have the following options in Windows 98's
Dial-Up networking properties' (the icon):
-------------------------------------------------------------------
[X] Enable software compression
[X] Require encrypted password
[X] TCP/IP
     *server assigned ip address
     *server assigned name server addresses

I have turned use IP header compression and the default Gateway
settings off.
-------------------------------------------------------------------


What I also did is used NetXRay on my Win98SE box to see what was
going on while I was trying to connect.

Sadly NetXRay saves logs in an own format and doesn't seem to
support cut&paste.. But basically it says:
-------------------------------------------------------------------
Layer|Summary
-------------------------------------------------------------------
PPTP  Start-Control-Connection-Reply, Result=Successful Channel
Establishment
PPTP  Outgoing-Call-Request, Bearer=Call can be Placed on Any Type of
Channel
PPTP  Outgoing-Call-Reply, Result=Connected
LCP   Code=Configure Request,ID=0x01
ICMP  Type=Destination Unreachable,Code=Reserved
TCP   1027->PPTP,S=115479,A=1573303344,W=8572
LCP   Code=Configure Request,ID=0x01
LCP   Code=Configure Ack,ID=0x01
GREV2 cID=0x0000,pLen=0,Ack=0
LCP   Code=Configure Request,ID=0x02
ICMP  Type=Destination Unreachable,Code=Reserved
...etcetcetc.. runs over that Destination Unreachable several times.
-------------------------------------------------------------------
 ^- So WHAT is not getting through? Ideas how to go on checking on
    this? I heard there was a *nix based GRE traceroute but I cannot
    find it on the PoPToP site.


I hope this was extensive enough,


Antti
-- 
--axu at bat.org . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . Antti Aleksi Luostarinen a.k.a. Amarth Shadowstring of BatMUD . . .
. . . . . . . . . phone: +358 40 7306292 or 040-7306292 . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . antti.luostarinen at helsinki.fi--




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