The VFind Daemon provides user applications virus scanning and detection services at a high level of performance. Running as a daemon process, it eliminates the need to re-initialize the scan engines on each request. Without the overhead of initialization, files are processed as they are received, improving response time and minimizing the effect of virus scanning on the main application.
VFind Daemon file scanning and virus detection services are accessible to any application running on a user's system. It's multi-threading capability enables it to scan requests from multiple applications concurrently. Applications can access VFind Daemon services through an easy-to-use message interface. The Simple Virus Scanning Protocol (SVSP) is a text-based, request/response interface that gives applications full access to VFind Daemon services. SVSP includes commands that enable the program to set scanning options on a per-request basis and to specify the file to be scanned. Requests can be tagged so that the subsequent responses can be matched. This allows the application to submit multiple scan requests and be able to match the asynchronous responses. A client program is also provided to further simplify accessing and using VFind Daemon.
VFind Daemon can also support the interfaces for other available virus scanning daemons, for example: ClamAV's clamd. This makes it possible to incorporate VFind Daemon into an existing system with minimal software changes and enables applications to migrate towards utilizing VFind's additional capabilities as required.
The multi-threading capability enables VFind Daemon to scale gracefully and take advantage of systems with multiple processors. The thread number used by VFind Daemon is configurable and can be set to match the available computing power.
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