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SonicOS 5.8.1 Administrator Guide
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Enter a value in the Life Time (seconds) field. The default setting of 28800 forces the
tunnel to renegotiate and exchange keys every 8 hours.
Step 6 Click the Advanced tab.
Step 7 Select any of the following optional settings you want to apply to your GroupVPN policy:
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Enable Windows Networking (NetBIOS) broadcast - Allows access to remote
network resources by browsing the Windows® Network Neighborhood.
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Enable Multicast - Enables IP multicasting traffic, such as streaming audio (including
VoIP) and video applications, to pass through the VPN tunnel.
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Accept Multiple Proposals for Clients - Allows L2TP, iOS, and Windows clients to
connect to the SonicOS L2TP server at the same time.
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Management via this SA: - If using the VPN policy to manage the SonicWALL security
appliance, select the management method, either HTTP or HTTPS.
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Default Gateway - Allows the network administrator to specify the IP address of the
default network route for incoming IPsec packets for this VPN policy. Incoming packets
are decoded by the SonicWALL and compared to static routes configured in the
SonicWALL security appliance. Since packets can have any IP address destination, it
is impossible to configure enough static routes to handle the traffic. For packets
received via an IPsec tunnel, the SonicWALL looks up a route. If no route is found, the
security appliance checks for a Default Gateway. If a Default Gateway is detected, the
packet is routed through the gateway. Otherwise, the packet is dropped.
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Require Authentication of VPN Clients via XAUTH - Requires that all inbound traffic
on this VPN tunnel is from an authenticated user. Unauthenticated traffic is not allowed
on the VPN tunnel. he Trusted users group is selected by default. You can select
another user group or Everyone from User Group for XAUTH users.