RE: connection issue - tightvnc works on same router, but not fromremote routers

[BRENT R. <bra...@ms...>]

THank you all for so much help today.. I am not technical enough to do all the VNC stuff and the Logmein and teamviewer are working well.

 
> Subject: RE: connection issue - tightvnc works on same router, but not fromremote routers
> Date: Fri, 27 May 2011 15:07:40 -0400
> From: rvm@CBORD.com
> To: bra...@ms...; vnc...@li...
> 
> I don't know, I've not heard of either of those. However, I would
> suspect it does. The normal setup is to use a single, secure pipe that
> will then accept multiple connections and protocols. It's a lot easier
> than setting up separate locks and keys for each one. Either a VPN or
> SSH can be used for the pipe.
> 
> Bob McConnell
> 
> From: BRENT RASMUSSEN
> 
> Bob,
> Do these same problems exist with Teamviewer or Logmein?
> Brent
> 
> > Subject: RE: connection issue - tightvnc works on same router, but not
> fromremote routers
> > Date: Fri, 27 May 2011 14:16:24 -0400
> > From: rvm@CBORD.com
> > To: arf...@no...; vnc...@li...
> > 
> > From: Arfin Greebly
> > 
> > > Need more information.
> > > 
> > > 1) Presumably your router uses NAT between the internal
> > > and external IP addresses, and
> > > 
> > > 2) presumably you know your external IP address when
> > > you're trying to access from outside. Is this correct?
> > > 
> > > 3) Presumably you have done a standard install, and not
> > > changed the VNC ports, so the default ports 5900 and
> > > 5800 are being used.
> > > 
> > > 4) Do you have a application rule set up in your router
> > > such that inbound requests on port 5900 and 5800 are
> > > directed to your desktop's internal IP address?
> > 
> > Setting it up this way creates two new problems.
> > 
> > 1. Everyone that probes your internet address will be able to see you
> > have those ports open, and will know what application they lead to.
> They
> > can then bombard them with connection attempts until they find the
> > correct password. BINGO, they have full access to your home computer.
> > 
> > 2. Everything between the two computers is passed in plain text,
> > including the password. Anyone that can sniff that traffic will be
> able
> > to grab the password and get access to your home computer. This is an
> > even bigger problem if you use wireless connections for your laptop,
> > whether they are in an office or the local cafe.
> > 
> > You are far better off setting up a VPN, which would encrypt all
> traffic
> > between the machines, including the passwords. If your current
> > router/firewall can not handle that, take a look at m0n0wall or
> > shorewall.
> > 
> > Bob McConnell