Features and Benefits:

Several protocols available:

• FTP
• FTPS (FTP over SSL)
• SFTP (FTP over SSH2)
• HTTP/S
• WebDAV
• Remote Administration (REST HTTP API)
• Host several virtual servers each with any number of access points on each physical server

Remote administration and monitoring:

• Manage multiple remote Null FTP servers from a single GUI
• Monitor and control connections to the server
• Kick currently connected users, or stop transfers

Localized graphical user interface:

• English, French, Russian, Ukrainian
• Easy to use local and remote server administration
• Shell extension for setting Null FTP security permissions inside windows explorer
• Tray icon for easy server configuration access and server status indication
• Automatic updates

Multi platform:

• x86 and x64
• Vista, Windows 2008 ready
• Windows 2008 Server, Windows 2003 Server, Windows XP, Windows 2000

Users and Groups:

• Use built-in user accounts and/or Windows accounts
• Advanced quota management for groups and users
• Per user site commands
• Per user virtual directories
• Per user IP restrictions
• Per user settings and transfer restrictions
• Unlimited accounts on the full version
• Anonymous accounts is treated with all options that a normal user account has
• Account expiration

Security and Access Control Lists:

• ACL level security
• Windows authentication or Null FTP built in security
• Windows authentication impersonation
• Create user groups
• Null FTP ACL settings inline with windows explorer or within application
• IP based access
• Full digital certificate management
• SSL Certificates
• SSH public / private key authentication per user

Protection:

• Protection against denial of service attacks
• Access to specific accounts for specific IP addresses
• Automatic banning of IP if a specified number of connection attempts are made within a specified time limit, IP banning removal.
• Automatic account locking
• IP banning after a specified amount of invalid login attempts.

Virtual directories and network storage:

• Create virtual directories to make shortcuts through your filesystem
• Attach any network device as a virtual directory for extensible storage
• DNS load balance two or more servers, specifying the same storage via a virtual directory

Logging:

• Advanced logging
• Live display of file transfers and connected sessions

Full API provided:

• The Null FTP Administrator itself was built with the Null FTP REST HTTP API
• Advanced COM API for advanced integration and filtering of all FTP commands

Customizable:

• Define new custom SITE commands for FTP for the whole server, per user, per group
• FTP response message customization

Multi instance:

• Define one or more servers which each contain any of (FTP, FTPS, SFTP, ...)

Advanced:

• Built in integrity check commands (XCRC, XMD5, XSHA)
• Upload and download resuming
• Mode Z compression and bzip compression
• NT windows System service
• IPv6 support
• Full unicode support