Re: VPN From W2K/Pro to W2K Server Doesn;t Work Through Firewall

From: Steven L Umbach (n9rou@attbi.com)
Date: 06/25/02 

From: "Steven L Umbach" <n9rou@attbi.com>
Date: Tue, 25 Jun 2002 19:59:40 GMT

       Are you trying to use l2tp or pptp? L2tp for the most part does not
work with NAT. In your vpn client connectoid properties select pptp as
server type instead of "auto" - W2K will try l2tp first by default (assuming
W2K vpn server is set up to allow pptp connections). If using pptp your
firewall has to allow protocol passage of port 1723 and protocol 47 gre. ---
Steve

"Meron Lavie" <lavie@net2vision.net.il> wrote in message
news:urZ42DIHCHA.2364@tkmsftngp11...
> I am trying to access a remote server via VPN.
>
> The server is W2K/SP2 running ISA.
>
> My local computer is W2K/Pro with SP2, on a LAN whose gateway is Redhat
> Linux v7.0 running an IPCHAINS-based firewall which also performs
> NATting/Forwarding. The Linux accesses the Internet through ADSL.
>
> When I try to connect to the remote server, I get "Verifying Username and
> Password", but after about 15 secs it fails with message 721. The firewall
> log shows no violations.
>
> Everyone else succeeds in accessing from their ISP's dialup. I am the
first
> person to try to access it from an external LAN.
>
> What am I doing wrong?
>
> --
> TIA
> Meron Lavie
> lavie@net2vision.net.il
> NOTE: THERE IS NO "2" IN MY REAL EMAIL ADDRESS: ANTI-SPAM!!!
>
>
>
>

Relevant Pages

  • Re: More on Remote Desktop
    ... Chances are good, though, that he's already got VPN capabilities on his ... firewall to do it for $100. ... > server at home...or purchase additional/new hardware... ... >> my firewall makes the PPPoE connection to my ADSL ISP. ...
    (microsoft.public.windowsxp.network_web)
  • Re: More on Remote Desktop
    ... You realize the Remote Desktop data stream is encrypted the same as a PPTP VPN link... ... Unless of course the original poster wants to implement an L2TP/IPSec VPN server at home...or ... > firewall to get between your clients and server on your own LAN. ... > setup so that my firewall makes the PPPoE connection to my ADSL ISP. ...
    (microsoft.public.windowsxp.network_web)
  • Re: Bizzare ISA2004 VPN Issues, Please help
    ... If you use the Server Publish rule to publish an internal PPTP server to the internet, a socket on TCP 1723 port of ISA external ... you could still setup PPTP server on ISA and let it listen on TCP 1723. ... | - I disabled VPN client access from within ISA2004. ...
    (microsoft.public.isa)
  • Re: VPN Firewall for new webserver
    ... > I'm setting up a webserver at a colocation and I need to put a VPN ... You're not going to get a quality firewall for that amount, ... and D-Link makes a DI-804HV unit ... users access to the SQL server, let them do it through a VPN session. ...
    (comp.security.firewalls)
  • Re: [SLE] Roadwarriors, VPN or pptp?
    ... > I'm using PPTP for some of our remote users, but that's because I have Win ... > poptop on a SnapGear firewall, though I'm planning to start moving to ipsec ... pptp is not as secure of a vpn ... Also recommended for consideration is Astaro Secure Linux. ...
    (SuSE)
Loading