Rebex Terminal Emulation
Terminal emulation, SSH Shell and Telnet component for .NET
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Standards and platform support
On this page:
- VT100, VT52, and other terminals
- 100% managed .NET code with no external dependencies
- .NET 5.0
- .NET Framework on Windows
- .NET Core
- .NET Standard
- Mono on Linux
- Xamarin.iOS
- Xamarin.Android
- Xamarin.Mac
- Universal Windows Platform
- Legacy platform support
- .NET Compact Framework
- Internet RFC specifications
- FIPS 140-2 mode
- Proxy servers
- Cryptographic algorithms
- Private key formats
- Scripting platforms
- Asynchronous operations
- Other technologies
VT100, VT52, and other terminals
Supported terminal types:
-
VT52 terminal
All common features are supported. -
ANSI terminals
All common features are supported. -
VT100 and its successors
Common features of VT100, VT102, VT201, VT220 supported.
Works with higher versions such as VT520, VT525 as well (some features are supported). -
xterm terminal
Common features are supported. -
Wise 60
Experimental support. -
SCO ANSI
Experimental support. -
Pick terminal
Experimental support.
If you lack any of the less-common features we have not implemented yet, please let us know.
100% managed .NET code with no external dependencies
- Rebex Terminal Emulation is written in 100% managed C# code.
- No external dependencies. It only needs .NET.
- No third-party or open source code used.
- Fully CLS-compliant.
- Supports any .NET language (C#, VB.NET, C++/CLI, etc.)
- Platform-independent code. Same assemblies for both 32-bit and 64-bit applications.
.NET 5.0

Rebex Terminal Emulation supports .NET 5.0 on all supported operating systems:
- Windows 10 (x64, x86, ARM64)
- Windows Server 2019 (x64, x86)
- Windows Server 2016 (x64, x86)
- Windows Server 2012 R2 (x64, x86)
- Windows 8.1 (x64, x86)
- Windows 7 SP1 (x64, x86) (end-of-life platform)
- Linux (x64, ARM64, ARM32)
- macOS (x64)
.NET Framework on Windows

Rebex Terminal Emulation supports the following .NET Framework platforms:
- .NET Framework 4.8
- .NET Framework 4.7.x
- .NET Framework 4.6.x
- .NET Framework 4.5.x
- .NET Framework 4.0
- .NET Framework 3.5 SP1
- Both 32-bit and 64-bit versions (same DLLs)
Legacy binaries for .NET Framework 2.0/3.0 are available as well.
For details and a trial version download link, see Support for Legacy Platforms.
Supported IDE versions:
- Microsoft Visual Studio 2019
- Microsoft Visual Studio 2017
- Microsoft Visual Studio 2015
- Microsoft Visual Studio 2013
- Microsoft Visual Studio 2012
Supported Windows versions:
- Windows 10
- Windows Server 2019
- Windows Server 2016
- Windows 8.1
- Windows Server 2012 R2
- Windows Server 2012
- Windows Server 2008 R2 (end-of-life platform)
- Windows Server 2008 (end-of-life platform)
- Windows 7 (end-of-life platform)
Rebex Terminal Emulation is also known to work on Windows 8, Windows Vista, Windows XP SP3, Windows Server 2003 R2, Windows Embedded Standard 2009 and Windows Embedded POSReady 2009. However, these platforms already reached end-of-life (most of them many years ago), which means we cannot guarantee support for Rebex Terminal Emulation on these operating systems.
.NET Core

Rebex Terminal Emulation supports .NET Core platform.
Supported frameworks:
- .NET Core 3.1
- .NET Core 3.0 (end-of-life platform)
- .NET Core 2.2 (end-of-life platform)
- .NET Core 2.1
- .NET Core 2.0 (end-of-life platform)
Supported operating systems:
- Windows 10
- Windows 10 IoT (.NET Core 3.1 and 3.0)
- Windows 8.1
- Windows 7 SP1 (end-of-life platform)
- Windows Server 2008 R2 SP1 (end-of-life platform)
- Linux
- macOS
.NET Standard
Rebex Terminal Emulation supports .NET Standard 2.1 on .NET Core 3.1 (or higher). It also supports .NET Standard 2.0 on .NET Core 2.0 (or higher), Mono 5.14 (or higher), Xamarin.Android 9.1 (or higher) and Xamarin.iOS 12.3 (or higher). Support for .NET Standard 2.0 on Universal Windows Platform (build 16299 or higher) and Xamarin.Mac (version 5.0 or higher) is experimental.
Mono on Linux

Rebex Terminal Emulation supports Mono 4.x/5.x/6.x on Linux and macOS.
Terminal Emulation WinForms control is supported on Windows (.NET) and Linux (Mono). UI-less classes work fine on Apple macOS/OS X as well.
Xamarin.Mac is not supported yet. Write to us if you need it.
Xamarin.iOS

- Visual Studio with Xamarin.iOS 12.3 or later
- iOS 10.2 or later
To target Xamarin.iOS platform, reference .NET Standard 2.0 binaries.
Only the UI-less classes are supported on this platform. See mobile features page for details.
Xamarin.Android

- Visual Studio with Xamarin.Android 9.1 or later
To target Xamarin.Android platform, reference .NET Standard 2.0 binaries.
Only UI-less classes are supported on this platform. See mobile features page for details.
Xamarin.Mac

Rebex Terminal Emulation features experimental support for Xamarin.Mac 5.0 or later via .NET Standard 2.0.
Only UI-less classes are supported on this platform. See mobile features page for details.
Universal Windows Platform
Rebex Terminal Emulation features experimental support for Universal Windows Platform (UWP/UAP) applications on Windows 10 via .NET Standard 2.0.
Supported platforms:
- Windows 10 (version 1709 or higher)
- Windows 10 IoT (version 1709 or higher)
In order to use Rebex Terminal Emulation on these platforms, make sure to specify at least Windows 10 Fall Creators Update (10.0; Build 16299) in your Universal Windows project.
Only UI-less classes are supported on this platform. See mobile features page for details.
Only UI-less classes are supported on this platform. See mobile features page for details.
Legacy platform support
Legacy edition of Rebex Terminal Emulation for the following platforms is available as a separate product:
- .NET Compact Framework 3.5/3.9
- .NET Framework 2.0/3.0
Legacy platforms are platforms that are no longer covered by our Standard Support, but have not yet reached End of Life. For details, see the following KB articles:
.NET Compact Framework

Rebex Terminal Emulation supports .NET Compact Framework on Microsoft's legacy embedded, handheld and mobile platforms based on Windows CE.
Supported frameworks:
- .NET Compact Framework 3.9
- .NET Compact Framework 3.5
Supported operating systems:
- Windows Embedded Compact 2013
- Windows Embedded Compact 7
Known to work on the following end-of-life platforms:
- Windows Embedded Handheld 6.5
- Windows Embedded CE 6.0
- Windows CE 5.0
- Windows Mobile 5.0, 6.0, 6.1, 6.5
Please note .NET Compact Framework is a legacy platform, which means that Rebex Terminal Emulation for .NET CF is available as a separate product with different lifecycle and pricing.
Only the UI-less classes are supported on this platform. See mobile features page for details.
Internet RFC specifications
Rebex Terminal Emulation supports SSH2 protocol and implements the following specifications:
Rebex Terminal Emulation supports Telnet over TLS and implements the following specifications:
- RFC 2246 (TLS 1.0)
- RFC 4346 (TLS 1.1)
- RFC 5246 (TLS 1.2)
- RFC 8446 (TLS 1.3)
- RFC 5746 (TLS Renegotiation Indication Extension)
Other RFCs:
SSH1 is not supported - it is no longer considered secure and has been considered deprecated more than 15 years ago.
Please note that some non-essential features might not be supported. Let us know if you need to add anything.
FIPS 140-2 mode
Rebex Terminal Emulation can operate in a FIPS 140-2 compliant mode. When enabled, only FIPS-approved
cryptographic modules from MS CryptoAPI are used. FIPS mode is activated automatically when Windows is running in FIPS mode.
To switch on the FIPS mode manually, setRebex.Security.Cryptography.CryptoHelper.UseFipsAlgorithmsOnly
to true
.
Proxy servers
- SOCKS4
- SOCKS4a (Socks4 with domain name resolving)
- SOCKS5
- HTTP proxies with CONNECT method support
- Tunneling through SSH servers
Learn how to use proxy servers in Rebex Terminal Emulation.
Cryptographic algorithms
- Diffie-Hellman key exchange
- RSA
- DSA (with support of non-standard key sizes of up to 4096 bits)
- Tripple DES
- ArcFour (compatible with RC4)
- AES (Rijndael)
- Blowfish
- Twofish
- CTR and CBC block cipher modes
- SHA-1
- SHA-2 (SHA-256, SHA-384, SHA-512)
- MD5
Private key formats
- PKCS #8 keys
- PuTTY .ppk keys
- OpenSSH/OpenSSL (SSLeay) keys
- Keys on smart cards
- Certificate-based keys
Learn more about private keys in Rebex Terminal Emulation.
Scripting platforms
Rebex Terminal Emulation is designed primary for use in .NET framework applications. However, it can be used in several other scripting and hosting environments:
- Microsoft SQL Server SSIS packages
- Microsoft SQL Server SQL CLR stored procedures
- Microsoft PowerShell scripts
See how to use Rebex Terminal Emulation in SSIS, SQL CLR and PowerShell environments.
Asynchronous operations
Ssh
object supports Task-based Asynchronous Pattern (TAP, introduced by .NET 4.0), which makes it possible
to use the 'await' operator in .NET 4.5.
Legacy IAsyncResult pattern (Begin/End methods) is supported as well.
Other technologies
- IPv4 and IPv6 support
- Kerberos v5 and NTLM (see more about GSSAPI authentication)
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