WatchGuard Technologies SSL VPN manual Allowing ICMP traffic, To change the system date and time

Allowing ICMP traffic

To change the system date and time

1In the Administration Tool, click the VPN Gateway Cluster tab, select the appliance, and then click the Date tab.

2In Time Zone, select a time zone.

3 In Date, type the date and time.

4 Click Submit.

Network Time Protocol

The Network Time Protocol transmits and receives time over TCP/IP networks. The Network Time Proto- col is useful for synchronizing the internal clock of computers on the network to a common time source. If you have a Network Time Protocol server in your secure network, you can use the Firebox SSL VPN Gateway Administration Tool to configure the Firebox SSL VPN Gateway to synchronize the time with the Network Time Protocol server.

To synchronize the Firebox SSL VPN Gateway with a Network Time Protocol server

1In the Firebox SSL VPN Gateway Administration Tool, click the VPN Gateway Cluster tab.

2 Click the Date tab.

3 In Synchronization Mode, click Network Time Protocol (NTP).

4 In NTP Server, type the FQDN of the server.

5 In Synchronization Interval, select a schedule to perform updates.

Allowing ICMP traffic

Internet Control Message Protocol (ICMP) traffic to the Firebox SSL VPN Gateway is disabled by default. To enable ICMP traffic, use the VPN Gateway Cluster > Administration tab.

When ICMP traffic is enabled, users can ping servers on the internal, secure network. The Firebox SSL VPN Gateway itself cannot receive ICMP traffic.

To enable ICMP traffic

1In the Administration Tool, click the VPN Gateway Cluster tab and select the appliance.

2 On the Administration tab, select Enable ping.

3 Click Apply Change.

46 Firebox SSL VPN Gateway