What is dns relay

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Caching reduces the load on upstream DNS servers and improves performance. In addition to providing DNS services for clients in the internal network, the firewall can also optionally do the following:. Deployment Before you can set up the system and start configuring elements, you must consider how the different SMC components should be positioned and deployed.

Setting up After deploying the SMC components, you are ready to start using the Management Client and carrying out some of the first configuration tasks. Monitoring You can use the SMC to monitor system components and third-party devices.

Controlling engines You can command and set options for engines through the Management Client or on the engine command line. Creating and modifying engine elements Engine elements contain the configuration information that is directly related to the Firewalls, IPS engines, and Layer 2 Firewalls. Connecting engines to the SMC To maintain the security of your system, the engines establish an authenticated and encrypted connection with Log Servers and Management Servers.

Configuring the engine tester The tester runs various checks on the engines and initiates responses based on the success or failure of these tests. Engine permissions You can set permissions to control the administration of the engines. DNS relay configuration overview To use DNS relay, you must configure settings for the firewall in the Management Client, and configure clients in your network environment.

Alias element translations for engines Alias elements can be used to represent other network elements in configurations. Advanced engine settings Advanced settings cover various system parameters related to different features. Routing Use the Management Client to configure static or dynamic routing, and use a Multi-Link configuration to manage and distribute inbound and outbound connections.