Restricting IP

Michael Ossmann michael.ossmann "at"
Tue, 05 Mar 2002 21:57:10 +0000

On Tue, Mar 05, 2002 at 12:18:39PM -0500, tgraham "at" wrote:
> IN the VNC addons, there is a note on restricting access via IP 
> using TCP wrappers.  However there is a disclaimer at the top 
> saying VNC server has similar functionality built in, but no details on 
> how to use it.  Anyone have any information on doing this?

You can do it in WinVNC with the AuthHosts registry setting.  AFAIK, the
only built-in feature along these lines of Xvnc is the -localhost option
which limits connections to those originating on  To get
finer grained host based access control with Xvnc you would have to use
tcpwrappers, ipchains, iptables, or some other packet filtering

Mike Ossmann, Tarantella/UNIX Engineer/Instructor
Alternative Technology, Inc.
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