Using VNC without authentication

[William Hooper]

hjvm@freenet.de said:
> Hello!
>
> When I look at the RFB-protocol it seems to be possible to run VNC without
> authentication, i. e. without having to provide a password.

Please read the documentation, paying attention to the "AuthRequired"
section.
http://www.realvnc.com/winvnc.html#11

> Is this
> possible with
> Linux, too?

Please read the documentation, paying attention to the "-rfbauth" section.
http://www.realvnc.com/man/Xvnc.html

> (Security doesn't matter at all!)

Security always matters.

-- 
William Hooper