PSN-L Email List Message
Subject: Re: How to post helicorder online
From: Thomas Dick dickthomas01@.............
Date: Tue, 28 Apr 2009 10:13:05 -0500
Barry Lotz wrote:
> I use Tight VNC at home between my computer in the house and the
> sensor computer in the garage(same network). I tried to use the same
> server address from the garage from my work computer and could not
> connect. How did you determine the server address for your sensor when
> you are at a different location? Could my problem be a firewall issue?
I sent your question to Kevin my son who has the expertise in this area.
He went to Purdue. The rest of my sons didn't. Here is his reply:
Firewalling is an issue. Our network uses UltraVNC through an OpenVPN
connection, where a client program for accessing
http://freedns.afraid.org/ (an open DNS registration). The client
program is called "FreeDNS update". This DNS approach has become
unreliable in recent months, as Internet service providers become more
aggressive in restricting the residential customers setting up rogue
websites without paying for a business account.
The good news is that the dynamic IP address of your home connection
doesn't change very often at all. I had the same dynamic IP address on
the Internet for about a year. I am implementing other DNS solutions to
find our way back to the "home network" that will involve interacting
with another friendly network, that I also run. It isn't an easy
solution, but it will work for us.
If this is too technical, I can send him more questions or connect you
with him off of PSN. He works cheap. All I have to do is babysit. And
that's not bad. By the way, I don't use wiFi from the earthquake
computer to my main home computers. I put in cable. That was before Wifi
was ever an option!
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