edtFTPnet/Free

edtFTPnet/Free is a .NET FTP library written in C#. Widely used around the world, it is robust and proven, with a rich API.

It includes extensive event monitoring, transfer resumption, and much more. It has been tested and is compatible with Mono 1.2.x.

Free .NET FTP component gives .NET developers:

- C# FTP functionality
- VB .NET FTP functionality
- Robust and proven FTP .NET library
- C# source-code included
- free for commercial use (LGPL)
- Downloaded over 200,000 times!

Features:

• Widely used throughout the world in many projects.
• Full source code is provided.
• Includes a fully fledged Visual Studio component, FTPConnection.
• Passive and active modes are supported (PASV and PORT).
• Resuming of interrupted binary transfers supported.
• Events for monitoring progress of data transfers.
• Under the LGPL, so it can be embedded in commercial applications.
• Compatible with .NET 1.1 and .NET 2.0.
• Compatible with Mono 1.2.x
• Ported from our popular edtFTPj library
• Mature and stable codebase.
• Simple but extensive API analogous to a command line FTP program.
• EDT Forums are available for public discussion and support.

What is new in this release:

• An empty array of features is returned if FEAT returns no features (but is implemented by the server).
• The array is tweaked so that only actual features are returned.
• The AutoFeatures property was changed to be false by default.

What is new in version 2.2.1:

• Fixed a bug regarding reading multi-line replies.

What is new in version 2.2.0:

• Tweaks to UnixFileParser to support more formats.
• Fixed bug in active mode where zero timeout was not infinite.
• If server doesn't support REST, resuming simply overwrites rather than failing.

What is new in version 2.1.0:

• Allow other processes to read a file that is being uploaded.
• FTPConnection now permits UserName to be changed when connected.
• Fixed resume download bug where if resume() is called twice, firstly on an existing file, and then when there is no local file, the second download also resumes.
• Added KillControlChannel() to FTPClient.
• Added DirectoryExists.

What is new in version 2.0.1:

• The developer's guide was rewritten.
• Full file-paths were added to event-args where appropriate.
• Minor file parsing bugs were fixed.
• A problem whereby FTP server errors such as 452 are accepted in non-strict reply checking mode was fixed.
• FTPTransferCancelledException is now thrown when uploads are cancelled in FTP.
• A cast exception when EndInvokeSiteCommand is called was fixed.

What is new in version 2.0.0:

• Directory listing parsing was refacted.
• A fix was included for Korean months in UnixFileParser.
• For resuming uploads, SIZE is now sent prior to establishing a data socket.
• TandemFileParser was added (not autodetected; it must be set manually).
• Support for BytesTransferred events during directory listings was added.
• A problem where server replies had embedded chars was fixed.
• A problem where Logger initialization fails with ConfigurationErrorsException because of corrupt configuration file was fixed.
• A bug where on resuming an FTP transfer, the local file gets locked was fixed.
• RollingFileAppender was added to the logging package.