Dell SonicWALL GX250 Manual page 121

5. Select Encrypt and Authenticate (ESP DES HMAC MD5) from the Encryp-
tion Method menu.
6. Type the Shared Secret in the Shared Secret text box. The Shared Secret
should consist of a combination of letters and numbers rather than the name of a
family member, pet, etc. It is also case-sensitive.
7. Click Advanced Settings.
8. Leave Require XAUTH/RADIUS (only allows VPN clients) unchecked.
9. Check Enable Perfect Forward Secrecy if an additional level of security is
desired.
10. Check Enable Windows Networking (NetBIOS) broadcast if remote sites
browse the network using Windows Network Neighborhood.
11. Check Apply NAT and firewall rules if applicable.
12. Check Forward Packets to remote VPNs if configuring a "hub and spoke"
network.
13. Click OK to close the Advanced Settings window.
14. Click Update to enable the changes.
To export the Group VPN settings to remote VPN clients, click Export next to VPN
Client Configuration File. The security file can be saved to a floppy disk or e-mailed
to a remote VPN client. The Shared Secret, however, is not exported, and must be
entered manually by the remote VPN client.
Note: You must use the Group VPN Security Association even if you have only one
VPN client to deploy. The Group VPN Security Association defaults to the Simple
Configuration previously available in firmware version 5.1.1. If you have only one
client to deploy, you may want to consider Manual Key Configuration for your
appliance and client
.
Installing the VPN Client Software
1. When you register your SonicWALL or SonicWALL VPN Upgrade at
www.mysonicwall.com>, a unique VPN client serial number and link to download
the SonicWALL VPN Client zip file is displayed.
2. Unzip the SonicWALL VPN Client zip file.
3. Double-click setup.exe and follow the VPN client setup program step-by-step in-
structions. Enter the VPN client's serial number when prompted.
4. Restart your computer after you have installed the VPN client software.
For detailed instructions on installing the client software, download the Client
Installation Guide
setup.html>
available at <http://www.sonicwall.com/vpn-center/vpn-
SonicWALL Internet Security Appliance Guide Page 121
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