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DHCP trough SSL VPN

We are setting up a SSL VPN connection with Sophos UTM 9.1. Everything is configured, but when we connect with the VPN client we don't get a IP adress from our DHCP server. We get a whole different IP. The SSL override hostname is configured with the IP of our WAN IP adress.

We tried to set up DHCP relay also, but this doesn't work. The DHCP server is our DC1, which runs Active Directory and has an active DHCP role. Any help with this?


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  • Hi, Sanel, and welcome to the User BB!

    Several suggestions in addition to Barry's...

    First, look through https://community.sophos.com/products/unified-threat-management/astaroorg/f/51/t/22065 and bookmark the link.

    When first configuring the SSL VPN, change the protocol to UDP to speed it up.  This does require re-downloading the configuration file.

    It's not a good idea to use a numeric IP in any VPN definition (there's an exception for IPsec when connecting to a NATted endpoint).  If you've followed The Zeroeth Rule in Rulz, just use the Hostname.

    Cheers - Bob
     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
    Sophos Certified Engineer - XG
    Gold Solution Partner since 2005
    MediaSoft, Inc. USA
Reply
  • Hi, Sanel, and welcome to the User BB!

    Several suggestions in addition to Barry's...

    First, look through https://community.sophos.com/products/unified-threat-management/astaroorg/f/51/t/22065 and bookmark the link.

    When first configuring the SSL VPN, change the protocol to UDP to speed it up.  This does require re-downloading the configuration file.

    It's not a good idea to use a numeric IP in any VPN definition (there's an exception for IPsec when connecting to a NATted endpoint).  If you've followed The Zeroeth Rule in Rulz, just use the Hostname.

    Cheers - Bob
     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
    Sophos Certified Engineer - XG
    Gold Solution Partner since 2005
    MediaSoft, Inc. USA
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