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Dialog: An X client is attempting to connect from host...

If the dialog below is displayed, then it means that an X client (e.g. xterm, konsole, mozilla, etc.) is attempting to connect to X-Win32 on your machine and this X client is not otherwise authorized to connect to your machine. Other authorization mechanisms include Xauth used via Xdmcp, Xauth via StarNetSSH, the Xhost list on X-Config’s Security tab. An X client may be attempting to connect for several reasons, listed below.

When an X client connection may cause this dialog to be displayed

  1. An X-Win32 session was started and the client is immediately connecting
  2. An X-Win32 session was started and after some delay the client is connecting
  3. You started another X client manually on the remote host (or via an already running X client, e.g. xterm)
  4. Another user accidentally specified the address of your machine as the location for their X client to startup
  1. A malicious user is attempting to connect to your machine; this is extremely rare, but you should evaluate each of these prompts carefully or consider using alternative authorization mechanisms (e.g. StarNetSSH with X11 Forwarding)

    An X client is attempting to connect from host dialog

    dialog_x_client_attempting_to_connect.png

    Category:Errors
    Category:Sessions