Free secure ftp server file transfer software for linux

Pure FTP Server is a fast, production quality, standards-conformant FTP server based on Troll-FTPd. Pure FTP Server has no known vulnerability, it is trivial to set up, and it is especially designed for modern kernels.
Features include PAM support, IPv6, chroot()ed home directories, virtual domains, built-in ls, FXP protocol, anti-warez system, bandwidth throttling, restricted ports for passive downloads, an LDAP backend, XML output, and more.
Beginners can install a Pure-FTPd server in 5 minutes. It can be as simple as installing the package, typing "pure-ftpd &" and... thats all. You already have a running server, and clients can start to connect.
Theres no need to review any long and complex configuration file, where possible mistakes could have security and reliability implications. Pure-FTPd uses simple command-line switches to enable the features you need.
You can limit the number of simultaneous users, limit their bandwidth to avoid starving your ADSL or cable-modem link, hide system files (chroot), have upload/download ratios, and moderate new uploads.
Custom messages can be displayed at login-time (even changing fortune files) and when an user enters a new directory. Also, to avoid your disks being filled up, you can defined a maximal percentage, and new uploads will be disallowed once this percentage is reached.
The FXP (server-to-server) protocol is implemented. It can be available for everyone, or only for authenticated users.
Kiddies are using common brute-forcing tools that are trying to discover hidden directories. Pure-FTPd provides a protection against this. Anonymous access is secure by default. For instance, users cant access dot-files (.bash_history, .rhosts, ...) unless you explicitely enable this.
And to watch whos doing what, the pure-ftpwho command shows a table with currently active sessions, how much bandwidth is taken by every user, what files they are uploading or downloading, where they are coming from, etc.
Enhancements:
- User names can now be up to 127 characters long.
- Compilation with PAM support has been fixed on Mac OS X, and the MySQL PASSWORD() function can now be used with MySQL >= 4.1.
- Logging now has the correct timezone.
- Support for charset conversions (RFC2640) has been implemented. Large files are now handled by default, using sendfile64() if possible. SITE UTIME and OPTS MLST have been implemented.
- MySQL queries can now include multiple statements and call MySQL 5 stored procedures.
- Transferring a lot of small files is now much faster than in previous versions.

Cheyenne Secure Web Server (SWS) is a comprehensive enterprise solution for Apache server. Cheyenne Secure Web Server combines http firewall, JAVA, PHP, PERL and a domain control system with Apache HTTPD platform.

MEPIS has released MEPIS SoHoServer Test02 for public testing. This release is available for download at public mirrors and the MEPIS subscription ftp server. Look in the “testing” subdirectory.

SoHoServer is a general purpose server based on the recent release of Debian “sarge.”. The preinstalled and configured server software includes Apache2, PHP4, Perl, Mysql, Proftpd, Bind, DHCPd, Postfix, Dovecot, Shorewall, Squid, DansGuardian, Webmin, and Usermin.

Like other MEPIS products, SoHoServer is easy to try, easy to install, and easy to use. It comes preconfigured with defaults that “just work” in most situations. Early testers report that even someone with limited server experience can have a MEPIS SoHoServer up and running in as little as fifteen minutes.

Test 02 has updated preconfigs, in response to user feedback. The latest security updates have been added and the MEPIS tools have been updated to the latest versions.

Fast File Search is a crawler for FTP servers and SMB shares that can be found on Windows or UNIX systems running Samba.
It provides a web interface for searching files. It is optimized for searching files by a wildcard when there are some normal (not * or ?) chars specified in the beginning or in the end of the mask (for example *.iso).
Fast File Search crawler runs on UNIX (currently only Linux has been tested but I do not now any reasons why it should not work on other UNIXes). Fast File Search uses MySQL database, web interface needs a web server with PHP >= 4.0.3 and the crawler needs some perl modules.
The crawler (ffsearch.pl) crawls the network (FTP servers from the list and all reachable SMB hosts on the local network) and stores the information about files into database. It is invoked at certain times each day via crontab entries.
There are two modes of operation of the crawler: complete crawl and incremental crawl. The crawler expects a command line argument that tells crawler which mode to run (-c or --complete for complete crawl, -i or --incremental for incremental crawl). Both modes retrieve a list of the active SMB hosts in all workgroups.
The complete crawl tries to scan all active hosts and all hosts that are listed in database. The complete crawl should be run once a day.
The incremental crawl tries to scan active hosts and hosts listed in database that have not been scanned since the last complete crawl because they were unreachable. The incremental crawl should be run several times a day, for example each 3 hours.
How does the crawler get know whether the host has been crawled since the last complete crawl?
Each time the complete crawl is executed, the expire count is incremented first. When the host is crawled, expire count is set to zero. So all hosts whose expire count > 0 were not reachable since the last complete crawl. Moreover, when expire count reaches value specified in configuration (i.e. it was unreachable during the time period of complete crawls) the information about files on the "expired" host is deleted from database.
Web interface is used to search the files in database, details how to search are described in the Help section of the search page.
You can also add a FTP server to a FTP server list, edit FTP server in the list or delete FTP server from the list through the web interface. So that anybody could not do anything with the server list only the record about abcdef is editable from host abcdef. There are also admins who can edit all records in the server list. The admins login through the web interface.
Enhancements:
- fixed few bugs in the crawler
- added a possibility to exclude some SMB shares
- www: improved Russian and Ukrainian translation

Secure FTP is a client application that allows for a 128-bit encrypted secure connection to be made to a server that supports FTP over SSL (or FTPS).
The application can be run via its graphical user interface (GUI) or from the command-line interface (CLI), allowing for headless (scriptable) operation. This makes Secure FTP a great option for both novice and advanced users.
The client is fully RFC 2228 compliant and offers both types of SSL connection options: explicit and implicit, which means more server compatibility.
Secure FTP is free to use for noncommercial use. Those wishing to use the client for commercial purposes are granted a license free of charge for 30 days.
The client is supported on Windows, Mac OS X, and any Unix platform where a Java 2 runtime environment (version 1.4+) is present. It was written in 100% pure Java.
Enhancements:
- The software was translated into French.
- Minor bug fixes and library updates were done.

Rad SFTP Applet is a graphical secure FTP (SFTP) applet. It is multi-threaded and thus capable of carrying out several concurrent uploads and downloads and resuming interrupted transfers.
The applet received a four star rating from jars.com - the premier java software review site and became featured on the official java website as well.
The secure FTP applet is ideal for Internet Service Providers and web hosting companies as a value addition to their service. The applet will also help web and software companies to reduce license costs with its per web site license model.
The desktop client is suited for individuals or organizations looking for a secure alternative to FTP.
Enhancements:
- Bugfixes and other improvements related to the management of hidden files and folders.

KcmPureftpd is an KDE KControl module for configuring pure-ftpd FTP server. The goal is to have medium users to configure their server securely and conveniently, without the burden of knowing tons of command line switches.

KcmPureftpd consist from two KControl modules:

* Script Generator - Its intended for system administrators which need to make or modify startup scripts for various administered servers. Of course, it work very well for your own little Linux/UNIX machine.
* Statistics - This module allow you to track statistics from pure-ftpd. You can see real time information about FTP connection on your FTP server as well you may follow information written to syslog by the server.