The only slight concern in using a web based FTP is the possibility of the FTP username and password being logged by the webmaster that owns the service. There are plenty of web based FTP services available online if you search around but you can find the ones we’ve reviewed in this article. There is nothing to download as the web based FTP is able to load on any web browser by just visiting the service’s website. Net Framework 2.0 and Mono 2.0) and compatibility with all the relevant FTPS servers is also a mandatory goal for this project.Web based FTP is probably the fastest and easiest way for you to connect to your FTP server even if there is a firewall blocking port 21 which is commonly used by an FTP server. The client provides also a wide range of options and commands via command line arguments, making it fully functional when used in scripts, without the shortcomings of the standard FTP clients available on most platforms. Net and the Powershell, but the standard provided by the framework was not powerful enough (more on this below). Furthermore, I wanted to provide a sample on how to connect to a FTP server using SSL using Microsoft.

Looking for a free client to be used during my session demos, showing interoperability with other platforms, I realized that there was no single piece of software supporting all the features I needed. Note: vsftpd FTPS support requires version 2.1.0 or a small patch avilable on the project homepage for version 2.0.7. Support for SSL/TLS has been introduced in the most used FTP servers: Microsoft FTP for IIS 7.0, vsftpd, wu-ftpd, FileZilla server, to name a few.

The SSL/TLS encryption feature, as stated in the RFC 4217 document, provides a solution for this and other security related limitations. Altough FTP is one of the oldest Internet protocols still in use today, some of its features are still largely needed as they can't be easily replaced by, for example, an HTTP server.

One of the main problems with standard FTP communications, is that all the username / password communication is performed in clear text, easily eavesdropped by sniffing the network traffic. The idea of this client was born while preparing some material for a technical speech session I was going to give at the Italian Microsoft TechDays - WPC 2008, about IIS 7.0 new features, including the Microsoft FTP for IIS 7.0 add in and its freshly introduced support for SSL/TLS. A list of the implemented RFC standards and specific commands follows. The aim of this FTP/FTPS client is to support the advanced features provided by most modern FTP servers, primarily, but not limited to, encryption via SSL/TLS and UTF8.

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