Data ONTAP allows virus-scanning PC clients running a compliant antivirus application to scan files before a CIFS client is allowed to open it.
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How CIFS virus scanning works
CIFS virus scanning is carried out on dedicated PC clients running the Data ONTAP-compliant antivirus application of your choice.
File types scanned by default
Certain file types are scanned for viruses by default. You can add file types for better protection or remove file types for faster access.
Specifying file types to be scanned
If the default list of file types to be scanned is not inclusive enough or you plan to use an exclusion list in conjunction with the inclusion list, you can modify the list of file types to be scanned.
Excluding file types to be scanned
You might prefer to specify what files types to exclude, rather than include, in a virus scan because of the proliferation of new file types (with new file name extensions) that might be stored on the storage system.
Using an inclusion list in combination with an exclusion list
Because of the proliferation of new file types, you can allow any file types that you consider to be safe to go unscanned and at the same time ensure that any new, unfamiliar file type stored on the system does get scanned.
Specifying shares for scanning
You can turn off virus scanning for files in a share if the share is used only by trusted users, the files are restricted to read-only mode, or speed of access is more important than safety.
Displaying the scanner list
You can determine if scanner clients are receiving requests and scanning files by looking at the scanner list.
Checking vscan information
You can quickly determine whether the virus scanner is on, how well the virus scanner is working, and what files extensions are scanned and not scanned.
Setting and resetting the request timeout for a virus scan
You can change how long Data ONTAP should wait for a virus scan to finish before requesting the status of the scan. You might need to do this when you have a slow network or your virus scanner is slow, and you want to avoid the scan request from timing out prematurely.
Stopping a virus scanner session
You can stop a scanner session if you have to terminate CIFS on a storage system or if you upgrade your antivirus program to a new version.
Resetting the scanned files cache
If you have a new virus definitions file, you might want to clear the cache and rescan the files that were scanned using an old virus definitions file.
Enabling virus scan messages to CIFS clients
You can send explicit virus-warning messages to inform CIFS clients, if the virus scanner detects a threat within a file that a CIFS client is trying to access.