CONFIGURING REMOTE ACCESS L2TP over IPsec SOPHOS UTM AND CLIENT

 

STEP 1: CONFIGURING UTM

  1. Defining a user account
    • Open Definitions & Users > Users & Groups > Users
    • Click “New User” button
    • Make the following setting:
      • Username, Real name, Email address
      • Authentication: Remote Access PPTP the “local” and “RADIUS” authentication methods are supported. With “local” authentication method, you will enter two fields password and repeat

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    • Click “Save”
  2. Configuring L2TPOver IPsec settings
    • Open Remote Access > L2TP Over IPsec > Global tab
    • Enable L2TP

    Configuring L2TP

    • Make the following settings:
      • Interface: Select the network interface to use for L2TP access.
      • Authentication mode: Select the authentication mode (Preshared key or X.509 CA Check)
        • Preshared key: enter the shared secret. This is secure phrase or password that is used to set up the secure tunnel.
        • X.509 CA Check:

          Certificate: Select the local X.509 certificate to authenticate the server.

      • Assign IP addresses by: Select IP address pool or  DHCP Server
        • IP address pool: default IP address 10.242.1.x/24, Network is called VPN Pool (PPTP). D
        • DHCP server (DHCP server Via interface)

      • Authentication via: Select authentication method “local” or “RADIUS
      • Users and groups: When you using local authentication, please select the users or groups that should be able to use PPTP remote access.
    • Click Apply to save your settings
  3. Configuring Advanced L2TP over IPsec settings
    • Open Remote Access > L2TP over IPsec > Debug tab
    • IKE Debugging
      • Control Flow: Displays control messages of IKE state
      • Outbound Packets: Displays content of outgoing IKE messages
      • Inbound Packets: Displays content of incoming IKE messages
      • Kernel Messaging: Displays communication messages with the Kernel
      • High Availability: Displays communication with other HA nodes

    Debug L2TP

     

    • Click Apply to save your settings
    • Optionally, enable debug mode => click Apply
  4. Defining Firewall Rules
    • Open Network Protection > Firewall > Rules tab
    • Click “New Rule button

    firewall rule

    • Make the following settings:
      • Sources: Add the remote host or user
      • Services: Add the allowed services
      • Destinations: Add the allowed networks
      • Action: Select Allow
    • Click Save
    • Enable the rule: clicking the status icon => status icon turns green
  5. Defining Masquerading Rules
    • Open Network Protection > NAT > Masquerading tab
    • Click New Masquerading Rule button

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    • Make the following settings:
      • Network: Select network of the remote endpoint.
      • Interface: Select interface.
      • Use address: If the interface you selected has more than one IP address assigned, you can define here which IP address is to be used for masquerading
    • Click Save
    • Enable rule
    • Optionally, activate the proxies

STEP 2: CONFIGURING REMOTE CLIENT

  1. Start your browser and open the User Portal => Log in to the User Portal => go to Remotes Access lab => view information L2TP Over IPsec (can review “preshred key”).userportal
  2. Configuring Windows Client
    • Click Start => Control Panel
    • In the Control Panel, click Network and Internet => Network and Sharing Center => Set up a new connection or network

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    • Define the dial-up Internet connection

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    • Click Next
    • Enter the hostname or the IP address of the gateway => Allow other people to use this connection

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    • Click Next
    • Click Create

setup client 1

    • Right-click the new connection and select Properties => Security => make information same picture follow:

setup client 2

    • click OK
    • Open Network => enter username and password => Connected

connect userconnected

Done, Thanks you!

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