Hello Walcar...
Interesting name that.
Anyway here the standard answer to your question:
Here we go again....
again...
again....
Okay, your situation
+------+a b+--------+c d+-----+
& PC1 +-------+ Router +--- Internet --+ RPC &
+------+ +--------+ +-----+
a- Your private address,
b- Router private address
c- Router internet address
d- RPC internet address
Okay,
Question 1:
Is there anyway I can get from a PC in
the Internet (RPC) to PC1 without going
through Router?
Answer:
NO, the machines are wired that way!
if you want to send packets to PC1 they
are going to have to go through Router, so
you are going to have to send them to router,
so you are going to have to know Router's
internet address. Alternatively you can hook
up PC1 to the internet in a diferent way, (one
where he doesn't go through another computer
to get to the internet in other words gets
his own internet address).
Question 2:
Can I get from the Internet to PC1 (Okay thru
Router since I have too) with out doing
anything to Router?
Answer:
NO. Router has to read the packages off the
the internet connection, modify them, and send
them on to PC1. To do this Router must be able
to recognise which packets to route, and to
send them to PC1. This has to be setup on Router.
YOUR QUESTION:
Is there a way to get a vncviewer (running on a
machine in the internet called RPC) to show PC1's
screen.
ANSWER 0:
Yes, there many ways to do this.
ANSWER 1:
start a vncviewer on RPC, connect to Router. Once
on router, start a vncviewer connect to PC1. Use
to your heart's content.
This method is often overlooked. It's a little
slower than messing with tunnels, ip NATing and Co.
but you don't have to mess with tunnels, ip NATing
and Co.8-) Additionally I've found that it is faster
than one would expect. The reason being that the
PC1<->Router connections is usually 10mbs or better
while the Router<->RPC conneciton is 128Kbs or less.
(In English, the PC1's screen is copied via a fast
connection to Routers screen. From there it is
copied via a slower connection to RPC. On RPC
as you wait for the slow copy... you can barely
notice that an additionaly copy was made.) YMMV.
(Your milage may vary)
advantages: no tunnels/ip natting & funky stuff
like that.
disadvantages: No security. A little sluggish.
ANSWER 2:
On RPC start a VNCViewer in "Listening mode".
Then on PC1 use the "Add New Cient" function
to connect to it. This works because Router
is already setup to route PC1 traffic to the
the internet. How do I know? Well PC1 is
connected to the internet, so obviously,
Router is setup to "Route" packes for PC1 out
to the internet and back! The problem here is
that PC1 must be the initiator. Which is
okay for remote support since the user on
PC1 can initiate the connection, but is a
little more dificult when nobody is around
PC1. Of course you could write an autoexec
batch file and modify your bios to start your
office pc at the bank in the middle of the
night, when it is dark, between the watchmans
rounds, But then Dective Dick Tracy (Starring
Brad Pitt).... Upps, got carried away there...
advantages: No changes to router(did I say
that was impossible?)
disadvantages: Still no security, Need insider
help.
ANSWER 3:
Messing with Tunnles, NATing and Co.
(Tell Router to "Route" the necesary packets to
PC1, and back.) There are many many many many
methods of doing this so to help you here you
are going to have to tell us what hardware /
software system Router is (ie. Linksys adsl
router, Checkpoint firewall, window 98,
Linux 2.2.12, MAC OSX, what ever) and weither
or not you have permision to mess with Router.
advantages: security, compression, SPEED!
disadvantages: Messing with Tunnles Nating
and Co. 8-)
Hope this helps you (and others) to understand a little
bit about what you are trying to deal with here...
On Thu, 2003-03-13 at 11:59, Walcar Caballero wrote:
> Hi, im a new user of Real VNC and i wanna conect via
> internet with a computer in another location, the
> problem is the other computer is in a LAN, so this
> computer have and internal ip for the Lan, something
> like 192.1.1.5 and another to surf in the webs, like
> 213.x.x.x wich is provided by the ISP, but is a lot of
> cumputer wich have the 213.x.x.x ip because a shared
> internet conecction, my question is how can i find the
> computer 192.1.1.5 over the internet ?
>
> Thanks a lot
>
> Walcar
>
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