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  1. #1
    clk
    clk is offline
    Newbie
    Join Date
    Sep 2008
    Posts
    5

    Default Cisco VPN failed to connect

    I've Untangle 9.4 64bit running in bridge mode with Lite package, all default settings, when I try to connect to an external Cisco VPN from an internal client, I got

    'Reason 427: Unknown Error Occurred at Peer'

    I tried adding a bypass rule, still failed. (tried bypass TCP/UDP protocol, destination address, source address)

    I tried to turn off all apps, still failed.

    do I need to reboot Untangle after changing bypass rule ?

    what else can I do ?

  2. #2
    Master Untangler
    Join Date
    Dec 2010
    Location
    Wisconsin Dells, WI
    Posts
    108

    Default

    Be sure your Cisco VPN authentication password hasn't expired; if it has it will quickly disconnect your tunnel and throw the 427 error code. If that is the problem, resetting the password should fix the issue. If that's not it let me know and we can try some other things.

    Bypass rules do not require a reboot to take effect.

  3. #3
    Master Untangler
    Join Date
    Aug 2008
    Posts
    284

    Default

    If your unit is in bridge mode, I would bypass Untangle itself and see if your VPN connects. If so, then you will have at least narrowed it down a little. Let us know. If not, then I would get it working without Untangle first. Also, a few questions:

    - Where are you located at when you attempt a connection?
    - Where is Untangle in reference to where you are located?
    - Where is the VPN gateway?

  4. #4
    clk
    clk is offline
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    Join Date
    Sep 2008
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    5

    Default

    It's strange that I can't connect the VPN even without Untangle today, I'll check the password with my colleague first.

    My setup is: Internet <- Untangle <- Firewall <- client

    My VPN client computer is behind the firewall & untangle. And the VPN gateway is in the Internet.

    Will test again with my colleague.

  5. #5
    clk
    clk is offline
    Newbie
    Join Date
    Sep 2008
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    5

    Default

    Use another vpn account to test today, the bypass rule works indeed.

    Thank you all.

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