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vncpasswd(1)		   Virtual Network Computing		  vncpasswd(1)

NAME
       vncpasswd - change a VNC password

SYNOPSIS
       vncpasswd [passwd-file]

DESCRIPTION
       vncpasswd  allows  you  to change the password used to access VNC desk‐
       tops.  It stores an obfuscated version of the  password	in  the	 given
       file  (default $HOME/.vnc/passwd).  The vncserver script runs vncpasswd
       the first time you start a VNC  desktop,	 and  invokes  Xvnc  with  the
       appropriate  -rfbauth  option.	vncviewer can also be given a password
       file to use via the -passwd option.

       The password must be at least six characters long, and only  the	 first
       eight characters are significant.  Note that the stored password is not
       encrypted securely - anyone who has access to this file	can  trivially
       find  out  the plaintext password, so vncpasswd always sets appropriate
       permissions (read and write only by the owner).	However, when  access‐
       ing  a VNC desktop a challenge-response mechanism is used over the wire
       making it hard for anyone to crack the password simply by  snooping  on
       the network.

FILES
       $HOME/.vnc/passwd
	      Default location of the VNC password file.

SEE ALSO
       vncconnect(1), vncviewer(1), vncserver(1), Xvnc(1)
       http://www.realvnc.com

AUTHOR
       Ken Wood, RealVNC Ltd.

       VNC  was	 originally  developed	by  the RealVNC team while at Olivetti
       Research Ltd / AT&T Laboratories Cambridge.  It is now being maintained
       by RealVNC Ltd.	See http://www.realvnc.com for details.

RealVNC Ltd			15 August 2002			  vncpasswd(1)

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