SharePoint 2007: The Definitive Guide
by James Pyles, Christopher M. Buechler, Bob Fox, Murray Gordon, Michael Lotter, Jason Medero, Nilesh Mehta, Joris Poelmans, Christopher Pragash, Piotr Prussak, Christopher J. Regan
Antivirus Usage
When discussing antivirus and SharePoint, there are two types of antivirus protection that come into consideration. First is the usual file-level server antivirus software. Second, because data in your SharePoint site is stored in a SQL Server database rather than in a typical filesystem hierarchy, file server antivirus does not protect you from infected content on your SharePoint site. Microsoft has built a virus scanning API (VSAPI) into SharePoint to allow for easy integration with various antivirus software packages that are specifically designed for Office SharePoint Server. Your preferred antivirus vendor likely has a solution specific to SharePoint that ties into the VSAPI. In order to scan files added to your SharePoint site for viruses, you must have a SharePoint VSAPI antivirus solution.
File-Level Antivirus
Whether or not to install file-level antivirus on any of your SharePoint servers typically comes down to corporate policy. Corporate policy usually requires antivirus software on all Windows systems, including all servers, desktop machines, and lap-tops. The conventional wisdom is to install file-level antivirus on every machine; however, depending on your environment, the conventional wisdom may not be so wise.
Antivirus software shouldn't be looked at as strictly a means of protection; vulnerabilities in antivirus software have been somewhat common as of late, and antivirus is becoming more routinely used as an attack vector. In November 2006, a worm ...
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