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PuTTY user manual (copy from 2022) PuTTY (/ ˈ p ʌ t i /) [4] is a free and open-source terminal emulator, serial console and network file transfer application. It supports several network protocols, including SCP, SSH, Telnet, rlogin, and raw socket connection. It can also connect to a serial port. The name "PuTTY" has no official meaning. [5]
Xming runs natively on Windows and does not need any third-party emulation software. Xming may be used with implementations of Secure Shell (SSH) to securely forward X11 sessions from other computers. [7] It supports PuTTY and ssh.exe, and comes with a version of PuTTY's plink.exe. The Xming project also offers a portable version of PuTTY.
NAT passthrough: the ability to connect to the server behind a NAT without configuring the router's port forwarding rules. It offers an advantage when you can't reconfigure the router/firewall (for example in case it is on the Internet service provider's side), but is a serious security risk (unless the traffic is end-to-end encrypted), because ...
Sshd then also calls xauth to add at the remote site an MIT-MAGIC-COOKIE-1 string into .Xauthority there, which then authorizes X11 clients there to access the ssh user's local X server. X11 connections between client and server over a network can also be protected using other secure-channel protocols, such as Kerberos / GSSAPI or TLS ...
Windows Cygwin/X, Cygwin's implementation of the X server for Microsoft Windows, uses the X.Org Server, as do VcXsrv [38] (Visual C++ X-server [39]) and Xming. SSH clients such as PuTTY allow launching of X applications through X11 forwarding on the condition that it is enabled on both the server and client. OS X / macOS
The X Window System (X11, or simply X; stylized 𝕏) is a windowing system for bitmap displays, common on Unix-like operating systems. X originated as part of Project Athena at Massachusetts Institute of Technology (MIT) in 1984. [3] The X protocol has been at version 11 (hence "X11") since September 1987.
This causes the windows to be arranged hierarchically in a tree. The X server automatically creates the root of the tree, called the root window. The top-level windows are exactly the direct subwindows of the root window. Visibly, the root window is as large as the screen, and lies behind all other windows.
X-Win32 LX was a free commercially supported X Server for Microsoft Windows which supported Microsoft Windows Services for UNIX (SFU). Recon-X was an add-on product for all X server products, including X-Win32 competitors such as Exceed and Reflection X , which added suspend and resume capabilities to running X sessions.