Session without typing password?
yury "at" s-code.com
Mon Nov 14 14:13:28 2005
you can set VNC server to no password authentication mode via: Tray
Icon->Options->Authentication->No Authentication command.
As for the viewer's password command line switch, the /password switch is
supported by UltraVNC and TightVNC viewers, I'm not sure if RealVNC viewer
SmartCode Solutions - The VNC Manager Creator
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> -----Original Message-----
> From: Com MN PG P E B Consultant 3
> [mailto:mn-pg-p-e-b-consultant-3.com "at" siemens.com]
> Sent: Monday, November 14, 2005 9:53 PM
> To: Yury Averkiev
> Cc: vnc-list "at" realvnc.com
> Subject: RE: Session without typing password?
> > it can be done if you set empty password in the VNC server
> How can this be done? I've checked the documentation at
> but there is nothing mentioned about setting the server properties.
> > But
> > this is a huge security hole.
> I guess the security hole is that anyone who has access to
> the LAN and know the IP address and port number, can also get
> access to my session, right? If this is the only security
> risk, I can live with it, because all those people are
> co-developers, who would have access to the same accounts anyway.
> > It's also possible to pass password to a vncviewer.exe
> using /password
> > command-line switch.
> I've checked the documentation about vncviewer here. It does
> not mention a /password command-line switch. Could you tell
> me where you find it documented?
> However, there seems to be a swith -passwd. The documentation
> at http://www.realvnc.com/products/free/4.0/man/vncviewer.html says:
> -passwd password-file
> If you are on a filesystem which gives you access to the
> password file used by the server, you can specify it here to
> avoid typing it in. It will usually be "~/.vnc/passwd".
> Unfortunately I don't have access from the Windows machine,
> where vncviewer runs, to the file system, where the password
> file is stored.
> Of course I could copy the password file to my Windows
> machine every time I change the password (which won't happen
> often anyway)...
> > > -----Original Message-----
> > > From: vnc-list-admin "at" realvnc.com
> > > [mailto:vnc-list-admin "at" realvnc.com] On Behalf Of Com MN PG P E B
> > > Consultant 3
> > > Sent: Monday, November 14, 2005 8:52 PM
> > > To: vnc-list "at" realvnc.com
> > > Subject: Session without typing password?
> > >
> > > Is it possible to use VNC without requiring me to
> manually enter a
> > > password everytime I start vncviewer?
> > >
> > > Ronald
> > > --
> > > Ronald Fischer (phone +49-89-63676431)
> > > mailto:mn-pg-p-e-b-consultant-3.com "at" siemens.com
> > > _______________________________________________