Rebex FTP/SSL for .NET 新版本發表

Released: Apr 18, 2023

R6.12 中的更新


  • FTP: The local endpoint of FTP data socket is bound to that of control socket.
  • SSH: Added workaround for an issue in 'srt SSH Server' that makes it reject RSA/SHA-2 public key authentication attempts.
  • SSH: Fixed handling of SSH2 PUBLIC KEY quotation marks in SshPublicKey.
  • SSH: Fixed handling of user name when performing single sign-on in .NET Core and .NET 5/6/7.
  • TLS Core: Fixed client-side TLS cipher suite check and server-side TLS cipher selection.
  • TLS Core: Fixed checking of selected...

Released: Jan 31, 2023

R6.11 中的更新


  • Common: Improved compatibility with Microsoft Windows 2000.


  • Networking: Comment is no longer ignored when loading SSH2 public key into SshPublicKey.
  • SSH: Fixed occasional StackOverflowException in SSH tunnel code (thrown when a large batch of consecutive asynchronous IO operations completes synchronously).
  • TLS Core: Fixed handling of missing close_notify message in TLS 1.2 or earlier.
  • Cryptography: Fixed CRL retrieval for certificate with multiple CRL distribution endpoints.
  • Common...

Released: Dec 2, 2022

R6.10 中的更新


  • SSH: Added workaround for an issue in Azure Blob Storage SFTP that makes it reject RSA/SHA-2 public key authentication attempts.
  • TLS Core: Fixed TlsParameter.AcceptableAuthorities handling (can specify an empty list).
  • Cryptography: Added workaround for broken X25519 implementation in early versions of Windows 10 (version 1507 and 1511).
  • Common: Fixed Windows Extended Protection in 64-bit Windows applications.

Released: Nov 8, 2022

R6.9 中的更新


  • Added support for Microsoft .NET 7 - This release adds a new set of binaries targeting .NET 7. It supports all .NET 7 platforms:
    • Microsoft Windows (x64, x86, ARM64).
    • Linux (x64, ARM32, ARM64).
    • Apple macOS (x64).
    • Android.
    • Apple tvOS.


  • FTP: Fixed a bug in GetDownloadStreamAsync/​GetUploadStreamAsync methods that left Ftp object in an unusable state on failure.
  • Cryptography: Fixed SHA-2 support on pre-SP3 versions of Windows XP.

Released: Oct 25, 2022

R6.8 中的更新


  • Networking: Improved handling of timeouts during TCP connections.
  • TLS Core: Optimized TLS 1.3 core.
  • TLS Core: Improved handling of invalid TLS 1.3 session tickets (PSKs).
  • TLS Core: Reduced memory footprint and CPU usage of TLS 1.3.
  • Cryptography: Added SSE2 implementation of ChaCha20 for Microsoft .NET 5.0 or higher.


  • TLS Core: Fixed handling of incomplete TLS 1.3 records.

Released: Oct 5, 2022

R6.7 中的更新


  • All: This release is now properly code-signed again. TSA certificate validity was too short in R6.6 due to DigiCert's mistake.
  • SSH: Added workaround for SSH servers that claim to prefer 'ssh-rsa' for client public key authentication.

Released: Sep 16, 2022

R6.6 中的更新


  • SSH: Added new constructors to SshPrivateKey/SshPublicKey classes that accept AsymmetricKeyAlgorithm.
  • SSH: Added support for ECDSA to SshPrivateKey(AsymmetricAlgorithm) constructor (on Microsoft .NET Core 3.1 or higher).
  • TLS Core: Added support for Microsoft Windows Extended Protection (only available on Windows) to SMTP, IMAP, POP3, EWS, HTTPS and WebSocket libraries. Customers using on-premise Exchange Servers or IIS servers with 'Integrated Windows authentication' should consider upgrading...

Released: Jul 15, 2022

R6.5 中的更新


  • FTP: Added Ftp.​Settings.​ReuseDataConnectionSession option to make it possible to reuse control connection sessions for all data connections.
  • SSH: Added support for 'server-sig-algs' SSH extension (RFC 8332).
  • SSH: Improved logging of 'partial success' authentication responses.
  • TLS Core: Added support for TLS extended master secret extension (RFC 7627).
  • Common: Improved internal asynchronous infrastructure for old platforms.


  • TLS Core: Fixed handling of NoRenegotiation alert.
  • TLS Core...

Released: May 25, 2022

R6.4 中的更新


  • Added support for Microsoft .NET 6.0 on Android and Apple iOS.
  • SSH: Optimized AEAD ciphers in SSH - ChaCha20/Poly1305 and AES/GCM ciphers have been slightly optimized.
  • TLS Core: Optimized AEAD ciphers in TLS - ChaCha20/Poly1305 and AES/GCM ciphers have been slightly optimized.
  • TLS Core: Optimized CPU usage in TLS 1.3 data flow.
  • TLS Core: Optimized scenarios when the remote party requires TLS 1.2 (or lower TLS version) and TLS 1.3 is enabled.
  • TLS Core: Optimized TLS 1.3 key derivation...

Released: Mar 28, 2022

R6.3 中的更新


  • FTP: Added Settings.GetFileOpenRemoteFirst option. When enabled, the local file is only created by GetFile/Download methods after the remote file has been successfully opened.
  • FTP: When appending/resuming in Download method, FileMode.Open is now used instead of OpenOrCreate.
  • Networking: Added ProxySocket.Bind(Socket) protected method to allow for more customization.
  • SSH: Improved workaround for very old versions of Bitvise server that don't properly handle SSH channel closing.
  • TLS Core: Added...