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  1. #1

    linux ipsec vpn client

    can anyone recommend to me a linux vpn client that can do point to point over ipsec?

    I tried VPNC but it only does remote access VPN.

    I need to be able to connect to a VPN with the following parameters

    Authentication Method Pre Shared Key
    Encryption Scheme IKE
    Diffie-Hellman Group DH Group 2
    Encryption Algorithm 3DES
    Hashing Algorithm SHA
    Main or Aggressive Mode Main Mode
    Lifetime (for renegotiation) 2800 seconds
    Encryption Algorithm 3DES
    Integrity (Hash) SHA-1
    Oakley Group DH Group 2
    Perfect Forward Secrecy No PFS
    Lifetime (for renegotiation) 3600 seconds

    I have tried VPNC, but that is remote access VPN client. I need a point to point client

  2. #2
    Just Joined!
    Join Date
    Apr 2005
    Perth, Western Australia

    vpn client

    What you did not mention is what the other host is running like frees/wan or OpenSwan or Cisco, so I'm only sending you the Linux based information.
    The Cisco VPN client can handle all of those parameters stated or at the very least a good 90% of them and there is a Linux based version. You need to be a Cisco partner to obtain it though.

    V-ONE's SmartPass Client runs on Win32, CE/PocketPC, Solaris, Red Hat Linux, MacOS, and PalmOS devices, for use with V-ONE SmartGate VPN servers
    PPTP Client is a Linux, FreeBSD, NetBSD and OpenBSD client for the proprietary Microsoft Point-to-Point Tunneling Protocol, PPTP. Allows connection to a PPTP based Virtual Private Network (VPN).

    You might also have a read of this at jixen dot tripod dotcom Ipsec practical configurations for Linux Freeswan 1.3. as it shows some nice examples.

  3. #3
    Linux Enthusiast Mudgen's Avatar
    Join Date
    Feb 2007
    From memory, that looks like a Cisco 3000 or maybe a Pix. But memory may fail me. The guys managing the concentrator would probably have or be able to get the Cisco client for you. I had that working at Fedora 10, but that was a long time ago.

  4. $spacer_open
  5. #4
    Linux Newbie nplusplus's Avatar
    Join Date
    Apr 2010
    Charlotte, NC, USA
    Check out FreeS/WAN Project: Home Page or Openswan:. You may find freeswan easier to use but openswan more flexible and robust.


  6. #5
    The VPN i am connecting to is a Cisco ASA 5510.

    I have looked at openswan, but can not get my head around the concept of left and right in the configuration file.

    My Centos machines has a single NIC which has the IP Address of It's external IP after NAT is

    The VPN server I am connecting to is and the encryption domain is

    Using those details, what would the config roughly look like for openswan?


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