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Thread: Configuring router for VPN passthrough

  1. #1
    daveh551
    Guest

    Configuring router for VPN passthrough

    It seems like this should be a fairly common topic, and probably
    addressed elsewhere, but searching this and other groups as well as
    googling has failed to yield anything useful.

    My home network is on a FiOS internet connection, which runs through a
    Verizon (ActionTec) wireless router/switch.(WI1524WR or something like
    that) I have 3 machines, a Windows 2000 server acting as domain
    controller, a Compaq desktop running Windows XP Pro (SP2), and a Dell
    laptop running Windows 2000 Pro (SP4). I am trying to configure the
    router to pass VPN requests through to the XP machine so I can access
    it with the laptop from outside. I have Windows configured to respond
    to VPN requests, and have the laptop configured to connect as a VPN
    client. The connection made from inside the firewall (directly to the
    local hostname) works fine. I also have a second connection configured
    to go through the external IP, and connecting to it always fails with
    an Error 678: There was no answer. This is true whether I am
    connecting inside the house, or from a WiFi hot spot. The two VPN
    connections (local and remote) are configured identically except for
    the hostname, so I believe the VPN client and server setups are
    correct. I think it has to be the router configuration for VPN
    passthrough. (The FiOS IP is dynamic, but I've got it set up to route
    through dyndns.org).

    The "Port Forwarding" screen on the router is showing setup to pass
    the following protocols through to the XP desktop:
    (I'm not sure exactly what all of these mean, I just configured from
    bits and pieces I found in different articles, using the configuration
    menus available on the router)
    GRE
    L2TP-UDP Any ->1701
    IPSec - UDP 500-> 500
    ESP
    AH
    TCP Any -> 1723

    When I attempted to connect over the VPN connection from a WiFi
    hotspot, this is what appeared in the router security log (newest is
    on top, so read from the bottom)


    Apr 3 10:00:54 2008 Inbound Traffic Connection closed TCP
    192.168.1.152 1723 <--> 71.170.239.192 1723 [71.97.118.241 45717]
    CLOSED/SYN_SENT clink0 Incoming STATIC

    Apr 3 10:00:54 2008 Outbound Traffic Connection closed TCP
    71.97.118.241 45717<--> 71.97.118.241 45717[192.168.1.152 1723 ]
    SYN_SENT/CLOSED br0 Outgoing

    Apr 3 10:00:53 2008 Outbound Traffic Connection opened TCP
    71.97.118.241 45734<--> 71.97.118.241 45734[192.168.1.152 1723 ]
    CLOSED/CLOSED br0 Outgoing

    Apr 3 10:00:53 2008 Inbound Traffic Accepted - Service TCP
    71.97.118.241:45734->192.168.1.152:1723 on clink0

    Apr 3 10:00:53 2008 Inbound Traffic Connection opened TCP
    192.168.1.152 1723 <--> 71.170.239.192 1723 [71.97.118.241 45734]
    CLOSED/SYN_SENT clink0 Incoming STATIC

    (192.168.1.152 is the local IP of the XP desktop. 71.170.239.192 is
    the external (FiOS) IP of the router, 71.97.118.241 is the IP of the
    hotspot where I was sending from.)

    Can anyone tell me what I am doing wrong and what to do to fix it?

    Thanks.

  2. #2
    Mr. Arnold
    Guest

    Re: Configuring router for VPN passthrough


    "daveh551" <geekdh@gmail.com> wrote in message
    news:1f72009d-e393-42d5-ae5a-a277c545991e@t54g2000hsg.googlegroups.com...
    > It seems like this should be a fairly common topic, and probably
    > addressed elsewhere, but searching this and other groups as well as
    > googling has failed to yield anything useful.
    >


    >
    > Can anyone tell me what I am doing wrong and what to do to fix it?
    >


    What's wrong with tech support for the router? Maybe, you should call them.


  3. #3
    daveh551
    Guest

    Re: Configuring router for VPN passthrough

    On Apr 3, 4:38 pm, "Mr. Arnold" <MR. Arn...@Arnold.com> wrote:
    > "daveh551" <gee...@gmail.com> wrote in message
    >
    > news:1f72009d-e393-42d5-ae5a-a277c545991e@t54g2000hsg.googlegroups.com...
    >
    > > It seems like this should be a fairly common topic, and probably
    > > addressed elsewhere, but searching this and other groups as well as
    > > googling has failed to yield anything useful.

    >
    > > Can anyone tell me what I am doing wrong and what to do to fix it?

    >
    > What's wrong with tech support for the router? Maybe, you should call them.


    I called Verizon TechSupport, and they said "We don't provide support
    for VPN. That's up to you"

  4. #4
    Mr. Arnold
    Guest

    Re: Configuring router for VPN passthrough


    "daveh551" <geekdh@gmail.com> wrote in message
    news:d898360a-f060-4a4b-b50a-937140489ad2@d1g2000hsg.googlegroups.com...
    > On Apr 3, 4:38 pm, "Mr. Arnold" <MR. Arn...@Arnold.com> wrote:
    >> "daveh551" <gee...@gmail.com> wrote in message
    >>
    >> news:1f72009d-e393-42d5-ae5a-a277c545991e@t54g2000hsg.googlegroups.com...
    >>
    >> > It seems like this should be a fairly common topic, and probably
    >> > addressed elsewhere, but searching this and other groups as well as
    >> > googling has failed to yield anything useful.

    >>
    >> > Can anyone tell me what I am doing wrong and what to do to fix it?

    >>
    >> What's wrong with tech support for the router? Maybe, you should call
    >> them.

    >
    > I called Verizon TechSupport, and they said "We don't provide support
    > for VPN. That's up to you"


    I doubt that Verizon made the router.

    http://www.actiontec.com/products/index.php


  5. #5
    Gary
    Guest

    Re: Configuring router for VPN passthrough

    What kind of VPN are you trying to use? PPTP, L2TP, IPsec, SSL? The ports
    and protocls will vary depending on what you're using.

    -Gary

  6. #6
    daveh551
    Guest

    Re: Configuring router for VPN passthrough

    On Apr 4, 4:27 pm, Gary <ga...@efn.org.spamsux> wrote:
    > What kind of VPN are you trying to use? PPTP, L2TP, IPsec, SSL? The ports
    > and protocls will vary depending on what you're using.
    >
    > -Gary


    Gary, I'm too much of a naive user to know the answer to that one. I'm
    trying to use what comes with Windows. The XP server is set up using
    the Windows Network Connections>Make a New Connection Wizard>Setup an
    Advanced Connection>Accept Incoming Connections>Allow Virtual Private
    Connections. The Laptop is set up using the Windows Network
    Connections>Make A New Connection Wizard>Connect to my Workplace.

    I think I've seen some documentation mention L2TP, but I'm not sure.

    Thanks.

  7. #7
    Dennis
    Guest

    Re: Configuring router for VPN passthrough

    I'm also having problems getting my router to port forward properly
    for my VPN which I believe is using PPTP.

    When I set this computer as the DMZ I have no problems.

    But when its off DMZ, with just ports 1723 (both) and 500 (both)
    forwarded then people cant connect to me. My firewall is off, etc.

    Am I missing something? What other ports need to be forwarded?

    I'm using a DLink DGL4300 Wireless Gaming Router.

  8. #8
    Dennis
    Guest

    Re: Configuring router for VPN passthrough

    On Apr 5, 8:57*pm, Dennis <dennispub...@hotmail.com> wrote:
    > I'm also having problems getting my router to port forward properly
    > for my VPN which I believe is using PPTP.
    >
    > When I set this computer as the DMZ I have no problems.
    >
    > But when its off DMZ, with just ports 1723 (both) and 500 (both)
    > forwarded then people cant connect to me. My firewall is off, etc.
    >
    > Am I missing something? What other ports need to be forwarded?
    >
    > I'm using a DLink DGL4300 Wireless Gaming Router.



    Nevermind.... I just solved my problem by upgrading the router's
    firmware from v1.4 to v1.7


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