Released: Dec 21, 2017

Updates in 2017 R6.2

Features

• SFTP: Added support for ActionOnExistingFiles.OverwriteDifferentChecksum to Upload/Download methods.
• File Server: Added workaround for content streams that do not support seeking beyond the end-of-stream.
• File Server: A meaningful error message is now reported when a virtual file system operation is canceled in the preview event.
• File Server: Added Action property to FileServer.PathAccessAuthorization event arguments.
• File Server: Messages from FileSystemException error now propagate to the SFTP subsystem.
• Proxy: ProxySocket constructor now requires a connected socket.
• SSH: Added option to force the use of legacy or standard forms of SSH Diffie-Hellman group exchange packets.
• Cryptography: Added CertificateChain.LoadDer method to load a chain of Base64-encoded certificates.
• Cryptography: Fast CNG implementation of AES (which takes advantage of AES-NI instructions) is used when available.
• Cryptography: Added workaround for broken X509Certificate.GetPublicKey() on Mono 5.4.
• Cryptography: Added a workaround for GPG's gpgsm utility that required some SignedData fields to be DER-encoded.

Fixes

• FTP: Fixed compatibility with Titan server's ABOR behavior.
• File Server: Fixed locking of FileServer.Keys collection.
• File Server: Fixed unintended reset of ServerSession.Current when raising FileServer events.
• File Server: Fixed wrong target path passed to virtual file system Move method.
• TLS/SSL: Fixed handling of duplicate suites in ClientHello packets.