Sep 11, 2015 · XDMCP is a remote desktop protocol. With XDMCP, one computer A running X11 can connecting computer B running X11, and interact with computer B as if one were physically at computer B. XDMCP is integrated into X.org, the default X11 server in Ubuntu.

XDMCP is designed to provide authenticated access to display management services for remote displays. A new network server, called a \fIDisplay Manager\fP, will use XDMCP to communicate with displays to negotiate the startup of X sessions.

From Wikipedia: The X Display Manager Control Protocol (XDMCP) uses UDP port 177. An X server requests that a display manager start a session by sending a Query packet. If the display manager allows access for that X server, it responds by sending a Willing packet back to the X server. This allows for opening X sessions remotely.

Xdm manages a collection of X displays, which may be on the local host or remote servers. The design of xdm was guided by the needs of X terminals as well as The Open Group standard XDMCP, the X Display Manager Control Protocol.

XDMCP is designed to provide authenticated access to display management ser-vices for remote displays. A new network server, called a \fIDisplay Manager\fP, will use XDMCP to communicate with displays to negotiate the startup of X sessions.

It can manage X servers running on the local machine and specified in Xservers, and it can manage remote X servers (typically X terminals) using XDMCP (the XDM Control Protocol) as specified in the Xaccess file.

Nov 1, 2000 · This HOWTO describes how you can use the combination of X Display Manager (xdm, kdm and gdm) and XDMCP (X Display Manager Control Protocol) to provide a solution for the X-Terminal and to provide a platform of efficient Remote X Apps environment. This document will takes the focus on how to setup the X connection using XDMCP.

A new network server, called a \fIDisplay Manager\fP, will use XDMCP to communicate with displays to negotiate the startup of X sessions. The protocol allows the display to authenticate the manager.

May 16, 2018 · XDMCP … is a remoting protocol for the X display manager (xdm). xdm’s config can be found in /etc/X11/xdm on linux and /usr/etc/X11/xdm on FreeBSD. Important files are …

Dec 22, 2024 · X Display Manager Control Protocol (XDMCP) is a remote desktop protocol using X11 environments for managing remote graphical login sessions in Linux and Unix systems. Specifically, it allows X display managers to interface with X terminals or other X server-based systems, by facilitating the remote display management process.