Serv-U is a powerful, easy-to-use, award-winning FTP server. An FTP server uses the FTP protocol to share files across the Internet. It is not only 100% compliant with the current FTP standard, but also includes numerous features that make it a perfect file sharing solution for virtually everyone. Regardless of the purpose behind your FTP server, everyone will benefit from the numerous security features Serv-U incorporates. When you're using Serv-U, you'll be able to: Restrict directory & file rights, Deny or allow IP addresses, Monitor user actions in real-time, and Log all commands from users. Security settings are customizable for each user and group.

What's New 6.3.0.1 (October 5, 2006)
=========================
+ Updated OpenSSL libraries from 0.9.8b to 0.9.8d.
- Corrected bug where installer and uninstaller attempted to shutdown the Daemon and tray applications, even if they weren't initially installed.
- Corrected a bug, introduced in version 2.5 (April 1999), where caching of disk quota would not work properly if a user account logged into Serv-U multiple times.

Download:
http://epix.tucows.com/files/ServUSetup.exe

Source: 9down