VNC doesn't work through Linksys - my setup is correct
JAldrich "at" covista.com
Wed Dec 8 21:44:00 2004
Oh, yeah... VNC by itself is NOT encrypted in any way. I use the method you
describe to connect to my machine at home from work... and I'm reasonably
certain that 1) My boss can't see what I'm doing <G> and 2) No one is
sniffing my VNC traffic and there's no strangers connecting to my VNC
server. BTW, if anyone would like, I'll post the script I wrote to launch
the VNC server on my linux box at home.
From: msledge "at" bellsouth.net [mailto:msledge "at" bellsouth.net]
Sent: Wednesday, December 08, 2004 3:23 PM
To: vnc-list "at" realvnc.com
Subject: Re: RE: VNC doesn't work through Linksys - my setup is correct
hmmm, let's see. i know my web traffic is going through our local proxy
server, but i have some ibm contractors sitting next to me who get to the
internet without going through our local proxy server. i'm not sure how the
ftp traffic is getting routed, as i'm just doing that through the command
line. i hadn't thought of that, but i don't think all traffic goes throught
the proxy server - just the web (http/https) traffic.
i'm going to try the http://www.gotomyvnc in a few hours when i get home.
if that works, i may just try and change the port to 443 and try that
tomorrow from work. i'm also considering setting up OpenSSH up on my server
at home and setting up a SSH tunnel with it and PuTTY. i would imagine that
that's the optimal solution anyway.
> From: "James Weatherall" <jnw "at" realvnc.com>
> Date: 2004/12/08 Wed PM 03:14:03 EST
> To: <msledge "at" bellsouth.net>, <vnc-list "at" realvnc.com>
> Subject: RE: VNC doesn't work through Linksys - my setup is correct i
> Hi there,
> One thing that occurred to me, reading some of the replies to your
> is that some companies don't *actually* allow traffic out to the Internet.
> Instead, all HTTP/HTTPS/FTP, etc passes through an internal proxy server -
> they don't allow any internal machines to connect directly to the outside
> world at all.
> Could this be your problem? If so then there are some tools you can use
> get things working through the web proxy.
> Wez @ RealVNC Ltd.
> > -----Original Message-----
> > From: vnc-list-admin "at" realvnc.com
> > [mailto:vnc-list-admin "at" realvnc.com] On Behalf Of msledge "at" bellsouth.net
> > Sent: 08 December 2004 14:04
> > To: vnc-list "at" realvnc.com
> > Subject: VNC doesn't work through Linksys - my setup is
> > correct i think
> > i have vnc running on a windows 2003 server on my home
> > network. the internal ip address of this box at home is
> > 192.168.1.10. i did a standard install of the latest
> > download of vnc server so it's listening on port 5900 while
> > the java http server is listening on port 5800. i have the
> > windows firewall enabled on this network card and am allowing
> > the following ports through (21/tcp, 80/tcp, 5800/tcp/udp,
> > 5900/tcp/udp. i have gone into my linsys firewall/router and
> > have forwarded this exact list of ports to 192.168.1.10.
> > now, from work i can open up IE and hit the website on
> > 192.168.1.10. i just browse to my public ip address and the
> > firewall/router forwards the port 80 traffic over to
> > 192.168.1.10. works great.
> > also from work i can pull up a command prompt and ftp to my
> > ftp server on 192.168.1.10. the firewall/router forwards the
> > port 21 traffic over to 192.168.1.10. works great. i "put"
> > a 160Mb file onto the ftp server from work and it worked great.
> > now, when i try to access vnc, i get an error. it just hangs
> > for a minute and then i get "unable to connect to host:
> > Connection timed out (10060). the java web client doesn't
> > work either. i know the server's up and running b/c i can
> > web/ftp to it. i know my router/firewall can forward ports
> > b/c it's doing it with the port 80 and port 21 traffic. i
> > know vnc works b/c i can get to it both through the standard
> > client and the web client when i am within my home network
> > (192.168.1.x). is there something else i have to enable on
> > my router/firewall besides just simple port forwarding?
> > i have a pretty good grasp of the basics here and as far as i
> > can tell everything's setup properly.
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