Mimecast Web Security: Configuring Your DNS Forwarders / Gateway

Document created by user.oxriBaJeN4 Employee on Nov 23, 2017Last modified by user.oxriBaJeN4 Employee on Jun 26, 2019
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Mimecast Web Security guards against malicious activity initiated by user action, or by malware at the server level or front line layer of the web. It works by blocking access to business inappropriate websites, based on configured policies and features. You can protect your corporate network by sending all DNS requests to Mimecast. This requires:

  1. Your egress IP has been added as a location. See the Configuring Locations page for further details.
  2. Your DNS forwarders to be configured to include the Mimecast server IP address displayed in the DNS tab of the Certificate and DNS Setup dialog.
  3. You verify your configuration. See the "Verify Your Configuration" section below for full details.

 

The process for configuring your DNS forwarders differs according to your server. This guide describes how to configure your DNS forwarders on a Windows Server to use the Mimecast servers. If you're not using Windows Server, refer to your vendor instructions for how to configure your gateway.

 

DNS ForwardersConfiguring Your DNS Forwarders

 

To configure your DNS forwarders on Windows Server:

  1. Start the Server Manager.
  2. Click on the Tools | DNS menu item.
  3. Right click on the Hostname.
  4. Click on the Properties menu item.
  5. Click on the Forwarders tab.
  6. Click on the Edit button.
  7. Enter the Mimecast Server IP Address displayed in the DNS tab of the Certificate and DNS Setup dialog.
  8. Click on the OK button.

 

Verifying Your Configuration

 

To verify your configuration in Mimecast:

  1. Log on to the Administration Console.
  2. Click on the Administration menu item.
  3. Click on the Web Security | Certificate and DNS Setup menu item.
  4. Click on the DNS tab. The IP addresses of Mimecast Gateway's primary and secondary servers are displayed.
  5. Click on the Check Configuration button to test your configuration. If your configuration is successful, the following dialog is displayed:DNS Configuration test

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