Talk:PPTP Server Configuration

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Revision as of 15:28, 9 July 2006 (edit)
85.159.40.2 (Talk)
(PPTP security)
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Revision as of 18:54, 9 July 2006 (edit) (undo)
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Since PPTP is broken and deprecated should it not be noted on the PPTP related pages that users should stay away from this? Since PPTP is broken and deprecated should it not be noted on the PPTP related pages that users should stay away from this?
[http://pptpclient.sourceforge.net/protocol-security.phtml article about PPTP security] [http://pptpclient.sourceforge.net/protocol-security.phtml article about PPTP security]
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== Incorrect gateway settings == == Incorrect gateway settings ==

Revision as of 18:54, 9 July 2006

In order to get this to work it's essential to disable "loopback" otherwise it doesn't work (loopback was enabled as default in my firmware version (v.23 std)! Another issue in v.23 is that outgoing pptp-trafic cannot pass-through the router with pptp-server enabled. There is a fairly complicated fix for this issue in the dd-wrt forum.

Contents

PPTP security

Since PPTP is broken and deprecated should it not be noted on the PPTP related pages that users should stay away from this? article about PPTP security

Incorrect gateway settings

It appears that v23 SP1 Final is giving out an incorrect gateway to my client. When my client connects via PPTP, the connection is successful but I cannot browse the web unless I use the IP address. It is not resolving the correct DNS even though I have tried both the router IP as the DNS and the DNS servers of the ISP.

Incorrect Gateway Settings

Addition:

When doing an "ipconfig /all" at a command prompt in Windows XP, you will probably see the following (assuming you are given the IP address 192.168.1.210 by the Router)

IP Address ........: 192.168.1.210
Subnet Mask .......: 255.255.255.255
Default Gateway....: 192.168.1.210
DNS Servers .......: ISP DNS SERVER 1
...................: ISP DNS SERVER 2

Make sure you put the correct DNS server IP addresses using the proper nvram commands:

Example (Comcast East Coast DNS Servers 68.87.73.242, 68.87.71.226):

nvram set pptpd_dns1=68.87.73.242
nvram set pptpd_dns2=68.87.71.226
nvram commit
reboot

This will work well but make sure you substitute for your local ISP's DNS!


Routing issue

When I use XP (192.168.2.x -local ip & 192.168.1.50-VPN client IP)connect PPTP VPN from external, this XP PC can ping any internal IP behind the DD-WRT(192.168.1.x). but I can't ping this XP PC from any 192.168.1.x, included within DD-WRT. If this issue same as the top issue in this page talk about outgoing PPTP-TRAFFIC can't pass through router?

Thanks