zFTPServer Suite 3.3
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An advanced, extensible and fast ftp server
 - Virtual Filesystem (allows for upload space balancing)
 - SSL/TLS Support 
 - Scripting Friendly
 - Remote Administration 
 - UTF-8 
 - Run as System Service 
 - Multiprocessor/Multicore Support 
 - Minimal Resource Footprint 
 - Registry Free (Nothing is written to the windows registry)
 - Fast Transfer Speed
 - Passive Mode Host/IP Option 
 - Powerful User & Group Account Management 
 - Upload Balancing 
 - Advanced IP-Access Management 
 - Anti-Hammering 
 - Site-to-Site (FXP) Transfer Options 
 - Multilingual Interface 
 - Message Customization 

Available extensions:
 - Events and Messages : Reactive 
      Execute scripts when something happens, 
      eg. when a file is uploaded or a user logs in

 - Events and Messages : Proactive 
      Execute scripts that can feed back info to the server.
      eg. execute a script when a user tries to log in, and then let 
      the script decide if it should be allowed

 - Authentication Integration for Windows with Impersonation
      Use windows accounts for log in, 
      works for local accounts and domain accounts


 
http://www.zftpserver.com/?torrent