[pptp-server] Verification of PPTP Tunnel

[George Vieira]

This all depends on how your browsing the page....

If your tunnel IPs are 192.168.0.1 <-> 192.168.0.2 and your browsing the
outside IP address eg. 203.xxx.xxx.xxx then this won't work... you must
browse the tunnel IP of the server.

Can you provide the setup information and anything else with it that we can
check what's going on.....

thanks,
George Vieira
Network Engineer
Citadel Computer Systems P/L
PH +(61)2 9955 2644
FX +(61)2 9955 2659

-----Original Message-----
From: P39036 [mailto:P39036 at exchange.sihe.ac.uk]
Sent: Thursday, August 30, 2001 12:43 AM
To: 'pptp-server at lists.schulte.org'
Subject: [pptp-server] Verification of PPTP Tunnel


Hi all

This may be a simple question, but I hope you can help me with it.
I have a Win98SE client, communicating via a PPTP tunnel with a Linux
server.

How can I be sure that the packets passing between them are travelling
THROUGH the tunnel, and not just going round it ?

For example, I want the client to send a HTTP request and download a web
page from the server, all through the tunnel. Yet, when I deny port 80
(HTTP) at the Cisco router between them, the browsing is stopped. This
suggests to me that the tunnel is not being used.

Do I have to set up a special gateway at the client/server to force all
communications through the tunnel ? Am I just being dumb ?

Thanks in advance.

Ken John
BSc PGDip CCNA
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