Sophos NAC provides easy-to-deploy network access control (NAC). It allows administrators to centrally define and manage security policies to identify and isolate non-compliant, compromised, or misconfigured computers accessing the corporate network. It seamlessly integrates with existing network infrastructures and security applications for a wide range of vendors.
For information on installing Sophos NAC for the first time, see the Sophos Endpoint Security and Control quick start guide.
This guide is available from the Sophos website.
Some descriptions include the relevant identifier in brackets. You can use this if you need to contact Sophos technical support.
The NAC Agent installation may require you to restart the endpoint after installation for the following reasons. During installation, you were prompted to shut down applications that were using shared resources, such as the XMLDOM, and you chose not to shut down these applications. You are upgrading the Quarantine Agent and the upgrade uses a new version of the Agent Quarantine Manager which is a kernel driver.
Some descriptions include the relevant identifier in brackets. You can use this if you need to contact Sophos technical support.
For technical support, visit http://www.sophos.com/support.
If you contact technical support, provide as much information as possible, including the following:
For installations that are 1,000 endpoints or less, Sophos NAC can be installed on the same server as Sophos Enterprise Console. For installations that are 1,001 to 25,000 endpoints, the Sophos NAC application, the Sophos NAC databases, and Sophos Enterprise Console each requires a separate server, for a total of three servers.
The computer where you place the NAC databases (which may be the same computer or a different one) also needs:
If you use MSDE, the maximum size that a database can reach is 2 GB. If you use Microsoft SQL Server 2000, there is no limit apart from the one set by the administrator.
If you use SQL Server 2005 Express, the maximum size that a database can reach is 4 GB. If you use Microsoft SQL Server 2005, there is no limit apart from the one set by the administrator.
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