[EMAIL PROTECTED] wrote:
>
> Hi,
>
> I'm trying to get a PPTP server working behind a masquerading firewall.
> I have verified that the PPTP server is working; clients which contact
> the server directly are able to establish a VPN connection with no
> problems. However, trying to access the PPTP server via the firewall
> results in a 650 error message (from a Windows 95 client) - "the server
> is not responding to network requests". Interestingly enough, the
> client gets past the "dialling" phase to the "verifying username and
> password" phase, but never to the "Logging on to network" bit.
>
> My configuration is as follows:
>
> NT4 PPTP Server (with all current service packs and hotfixes), hiding
> behind a Linux 2.0.33 firewall, compiled with the following options:
>
> CONFIG_FIREWALL, CONFIG_NET_ALIAS, CONFIG_INET, CONFIG_IP_FORWARD
> CONFIG_IP_MULTICAST, CONFIG_SYN_COOKIES, CONFIG_RST_COOKIES
> CONFIG_IP_FIREWALL, CONFIG_IP_MASQUERADE, CONFIG_IP_MASQUERADE_IPAUTOFW
> CONFIG_IP_MASQUERADE_IPPORTFW, CONFIG_IP_MASQUERADE_ICMP
> CONFIG_IP_TRANSPARENT_PROXY, CONFIG_IP_ALWAYS_DEFRAG
You seem to miss CONFIG_IP_MASQUERADE_PPTP.
There is a patch on the Masq resource page
(http://www.wiznet.ca/~ambrose/index.html).
With that patch, I can connect from my NT client behind my Linux firewall to our
VPN server that is on an NT server.
--
Joachim Feise Microsoft Certified Solution Developer
mailto:[EMAIL PROTECTED] http://www.ics.uci.edu/~jfeise/
mailto:[EMAIL PROTECTED] mailto:[EMAIL PROTECTED]
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