How to remotely access to a CLIENT (not SERVER) computer?

C

Cheng Rithy

Hi all,

Can anyone tell me a program that can allow me to access/administer a remote
computer? The remote host is behind a firewall or router's NAT, therefore
incoming connections from the outsider are not accepted. The owner of
the remote PC is not the network admin (no rights to configure that
network). My PC is, however, accessible from the host (because I am the
admin of my network).

pcAnywhere and VNC are two well-known I have tried, but they can not deal
with my situation. GoToMyPC seems to be able to cope with mine, but they
require a registration number, which, to me, seems like my connection has to
go through their server (even though I thought that it is just for ensuring
a
unique computer ID around the globe).

Lastly, I wonder why those programs (pcAnywhere, VNC...) did not just
include another small feature allowing the client to initiate a connection
to the server (my PC) and then allowing the Server to command/remote
control on that client by keeping the TCP/IP connection alive?

Many thanks
Rithy
 
L

Lanwench [MVP - Exchange]

The remote network admin would need to open up the appropriate inbound ports
on the firewall to allow you to access the computer via pcAnywhere, RD, VNC,
whatever - and they may have a policy that doesn't allow this. A lot of
network admins don't allow it for security reasons. If there's a business
justification for what you need, perhaps they will allow it, but it may not
be possible.

Besides GoToMyPC, which a lot of network admins hate also, have you looked
into something like Webex or LiveMeeting (formerly Placeware)? It's entirely
browser based, goes over ports 80/443, and may do what you need. It ain't
cheap, however.

Again, the best route is really to check with the network admins to see what
is permitted/forbidden.
 
B

Bill Sanderson

A VPN tunnel is two-way. If it is possible for the remote machine to
establish a VPN connection with your machine, or a machine on your network,
it may be possible for you to work in the other direction through the VPN
tunnel, using whatever remote access tools are available on the remote
machine.

Lanwench is absolutely right about what permissions you need to do this,
however.
 
C

Cheng Rithy

Hi, I think WebEx seems to be able to deal with my situation. Please
ensure me again before I pay for the registration with WebEx.

My situation is as follows:

My friend does not have his own Internet connection. So, he has to go to use
it from his university. His computer needs to be maintained against viruses.
If he could get help from his NetworkAdmin (router or port config, or just
virus cleaning=and that is all), he would not have to ask me to remotely
help him. My friend might move his PC to connect in another LAN up to him.
I have my own DSL connection at home so that I can configure whatever
I want on my network.

My goal is that if no tool allows me to (directly, not through 3rd party
server)
remote control over my friend's PC which is invisible on a strict LAN, I
will
create my own tool to do that. But just wonder why those commercial/famous
tools did not think about this case: client creates the connection, but then
server controls the client.

Thanks,
Rithy




"Lanwench [MVP - Exchange]"
 

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