Null FTP Server Screenshots - Main Screen

The Null FTP Administrator application allows you to manage one or more Null FTP Servers.

Each registered Null FTP Server can be managed either locally or remotely.

The left window of the Administrator contains all of the configurable options for the expanded server. The right side shows a set of property window tabs related to the currently selected server property.

Null FTP Server Screenshots - Connection Restrictions

Connection restrictions allow you to:

Setup IP restriction rules
Limit the maximum number of connections, downloads, and uploads
Limit the maximum number of connections per IP
Limit the download speed per connection
Limit the upload speed per connection

Null FTP Server Screenshots - Attack Protection

Attack protection allows:

Automatic banning of IP addresses for the defined number of connections within a specified time frame
Automatic locking of an account after a given number of invalid login attempts
Automatic banning of IP addresses for a given length of time
Length of time to keep an IP banned for

See a list of any locked account or banned IP and right click on any entry to unban the IP or unlock the account.

Null FTP Server Screenshots - Status and Connection Monitoring

Status and connection monitoring is a powerful feature that allows you to see a list of all connected users and what file transfers they are performing (including progress).

Right clicking on any user or transfer allows you to kill that connection.

Null FTP Server Screenshots - Built-in and Windows Authentication

The following user authentication methods are supported: built-in model, Windows user accounts, or both simultaneously.

Built-in and windows user accounts can be organized into user groups and security settings can be applied for each user or group.

User impersonation can be performed for windows accounts for the connected users so that Windows ACL settings will take effect.

Null FTP Server Screenshots - Fine Tune Directory Permissions

Advanced file permission management is provided similar to how Windows ACLs work.

Navigate to any file or folder and specify the read/write permission for any user or group. Permissions are automatically inherited by parent items by default.

A shell extension allows you to right click on any folder or file in windows explorer and customize your Null FTP permissions directly in Windows.

Null FTP Server Screenshots - User and Group Disk Quota

User quota allows you to make sure all user-owned files do not exceed the specified quota.

Group quota allows you to i) set the per user quota for any user that belongs to that group, or ii) the overall sum of all quotas for all users of that group.

Null FTP Server Screenshots - Security Certificate Management

Easily create a self signed SSL certificate to get your secure server running right away.

Generate a certificate signing request (CSR) file to send to a signing authority.

Import existing certificates that were signed from a signing authority.

Null FTP Server Screenshots - Support for Multiple Access Points

Any number of access points can be added to your Null FTP Servers.

Access point types include:

Plain FTP
SFTP (SSH)
Implicit FTPS (FTP over SSL)
Explicit FTPS (FTP over SSL)
HTTP
HTTS
WebDAV
Remote Server Administration

Null FTP Server Screenshots - Per Access Point Connection Restrictions

All connection restrictions can be performed at the access point level.

This allows you to restrict connections to the server based on different parameters depending on the connection method.

Connection restrictions can also be performed at the user level, the group level, and the server level.

Null FTP Server Screenshots - Customizable Site Commands

Customizable SITE commands allow you to customize your FTP server in any way you'd like giving your FTP client a wider range of available commands.

Custom SITE commands can be performed in the Null FTP Client by simply right clicking on a connected server window and selecting "Execute custom command"

Null FTP Server Screenshots - Virtual Directories Support

Virtual directories allow you to set one or more path mappings for your server.

Once defined, a virtual directory is available on all access points.

A virtual directory will only show up if the user has access to the mapped physical path.

Null FTP Server Screenshots - HTTP Browsing (With Icon Overlays)

HTTP browsing allows you to navigate the files on your server and upload a file into any directory level.

Windows icons are extracted and displayed for each file item. Each column in the HTML view is sortable.

Null FTP Server Screenshots - Configuration Wizard

Remote servers can be registered when they are already created, but to create new Null FTP Servers the configuration wizard can be used.

Easily setup all default parameters for your server in seconds.

Null FTP Server Screenshots - Public/private key per user settings

Enable public key authentication at the user level. Use these keys for authentication with or without an additional required password.

Null FTP supports RSA, DSA, SSH2, and PKCS8 key files in PEM, DER and NET formats.