WatchGuard Firebox System 4.6 User Guide
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WatchGuard Firebox System 4.6 User Guide

WatchGuard Firebox System 4.6 User Guide WatchGuard Firebox System 4.6 User Guide

watchguard.com
from watchguard.com More from this publisher
13.07.2015 Views

Branch office VPN with IPSecFrom Policy Manager:1 Select Network => Branch Office VPN => Basic DVCP.2 Select the tunnel policy. Click Edit.The DVCP Client Wizard opens and displays the tunnel properties.3 Use the Next and Back buttons to move through the DVCP Client Wizard andreconfigure tunnel properties. When complete, click Finish.4 Save the configuration file to the Firebox.The next time the client contacts the server, it will automatically note the tunnel policy changeand download the modifications. If the network address range on a client has changed, the clientautomatically restarts.Removing a tunnel to a deviceWhen a tunnel is removed, the DVCP client can no longer communicate with theserver. The next time the DVCP client tries to contact the server, contact will bedenied. If these settings were never manually configured, the client will use192.168.111.0/24 as the DHCP network range.From Policy Manager:1 Select Network => Branch Office VPN => Basic DVCP.2 Select the tunnel policy. Click Remove.The policy is removed from the DVCP Configuration dialog box.Defining a Firebox as an Enhanced DVCP ClientIf a Firebox is part of a DVCP VPN setup, enable it as a client and configure itssettings.From Policy Manager:1 Select Network => Enhanced DVCP Client.2 Enable the Enable this Firebox as a DVCP Client checkbox.3 In the Firebox Name field, specify the name of the Firebox.4 To log messages for the DVCP client, enable the Enable debug log messages forthe DVCP Client checkbox.5 To add DVCP servers that the client can communicate with, click Add.6 Enter the IP address. Enter the scared secret. Click OK.Branch office VPN with IPSecIPSec is a protocol that encrypts and/or authenticates traffic at the IP level betweenany mix of arbitrary hosts and security gateways. For more information about IPSecand how WatchGuard implements branch office VPN with IPSec, see the NetworkSecurity Handbook.• Determine the tunnel and policy endpoints• Select an encryption method• Select an authentication method124

Branch office VPN with IPSecFrom Policy Manager:• Select Network => Branch Office VPN => IPSec.Configuring a gatewayA gateway specifies endpoints for one or more tunnels. The standard specified for agateway, such as isakmp automated key negotiation, becomes the standard fortunnels created with the gateway.Adding a gatewayFrom the IPSec Configuration dialog box:1 Click Gateways.2 To add a gateway, click Add.3 Enter the gateway name.This name identifies a gateway only within Policy Manager.4 Use the Key Negotiation Type drop list to select either isakmp (dynamic) orManual.For more information, see “Configuring a tunnel with dynamic security” on page 127 and“Configuring a tunnel with manual security” on page 125.5 In the Remote Gateway IP field, enter the IP address of the Firebox (or otherIPSec-compliant host) at the other end of the gateway.6 Enter the shared key.The Shared Key field is available only for ISAKMP-negotiated gateways. The same key must beentered at the remote gateway.7 Click OK.The Configure Gateways dialog box appears listing the newly configured gateway. Repeat the AddGateway procedure to add additional gateways.8 When you finish adding gateways, click OK to return to the IPSec Configurationdialog box.Editing a gatewayFrom the Configure Gateways dialog box:1 Click the gateway. Click Edit.The IPSec Gateway dialog box appears.2 Make changes according to your security policy preferences.3 Click OK.Removing a gatewayFrom the Configure Gateways dialog box:1 Click the gateway.2 Click Remove.Configuring a tunnel with manual securityA tunnel encapsulates packets between two gateways. It specifies encryption typeand/or authentication method. A tunnel also specifies endpoints. The followingUser Guide 125

Branch office VPN with IPSecFrom Policy Manager:• Select Network => Branch Office VPN => IPSec.Configuring a gatewayA gateway specifies endpoints for one or more tunnels. The standard specified for agateway, such as isakmp automated key negotiation, becomes the standard fortunnels created with the gateway.Adding a gatewayFrom the IPSec Configuration dialog box:1 Click Gateways.2 To add a gateway, click Add.3 Enter the gateway name.This name identifies a gateway only within Policy Manager.4 Use the Key Negotiation Type drop list to select either isakmp (dynamic) orManual.For more information, see “Configuring a tunnel with dynamic security” on page 127 and“Configuring a tunnel with manual security” on page 125.5 In the Remote Gateway IP field, enter the IP address of the <strong>Firebox</strong> (or otherIPSec-compliant host) at the other end of the gateway.6 Enter the shared key.The Shared Key field is available only for ISAKMP-negotiated gateways. The same key must beentered at the remote gateway.7 Click OK.The Configure Gateways dialog box appears listing the newly configured gateway. Repeat the AddGateway procedure to add additional gateways.8 When you finish adding gateways, click OK to return to the IPSec Configurationdialog box.Editing a gatewayFrom the Configure Gateways dialog box:1 Click the gateway. Click Edit.The IPSec Gateway dialog box appears.2 Make changes according to your security policy preferences.3 Click OK.Removing a gatewayFrom the Configure Gateways dialog box:1 Click the gateway.2 Click Remove.Configuring a tunnel with manual securityA tunnel encapsulates packets between two gateways. It specifies encryption typeand/or authentication method. A tunnel also specifies endpoints. The following<strong>User</strong> <strong>Guide</strong> 125

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