It sounds like they are using some kind of proxy which will may require NAT to be opened and brought back in. Although PPTP will work behind a nat firewall. I had a similar issue recently with a client where it turned out the PIX firewall was forwarding pptp packets to a particular box (for some unknown reason) and I couldn't connect from behind it cause the packets would go poof. ADSL/SDSL or cable modem or whatever shouldn't matter. Any ISP that blocks PPTP or VPN tunneling should be considered carefully. In my opinion I would switch out to a real isp. You shouldn't be monitored in that fashion.
-----Original Message----- From: Michael W. Ellis [mailto:[EMAIL PROTECTED]] Sent: Thursday, September 27, 2001 9:13 AM To: NT System Admin Issues Subject: VPN question I have a remote user who needs to connect to our corporate LAN over his Internet connection. The corporate end of the connection has already been verified by another user in a different remote office. Thus far the new user has been unable to connect, and as far as I can tell none of his packets reach my server. His office has Internet connectivity provided by a third party, so I asked him to verify with them that they will allow outbound PPTP connections. Their response was that they do not for security reasons. To enable this for his office they want to assign a static IP address (more $ per month) and charge a setup fee (again, more $). I have repeatedly stated that he needs to establish an outbound connection, but they insist that they must open inbound ports (hence the static IP). I'm no firewall expert, nor a PPTP expert, but I'm just not buying their line. Any comments on this topic are appreciated. Michael Ellis Want to unsub? Do that here: http://www.w2knews.com/rd/rd.cfm?id=unsub Need a good FAQ? Try this one first: http://www.ultratech-llc.com/KB/ Want to unsub? Do that here: http://www.w2knews.com/rd/rd.cfm?id=unsub Need a good FAQ? Try this one first: http://www.ultratech-llc.com/KB/
