Connect To PC Command Prompt

August 8, 2010 at 21:25:36
Specs: Windows 7, 14GB
I have a router and I know the external IP of the router. There are 4 PC's in the internal network of the router. 192.168.1. (2-5)

How do I telnet from the internet to a specific PC behind the router ?

(Assuming all ports necessary are open and I have administrative access to the router)


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#1
August 8, 2010 at 22:02:24
First you really have to come from another internet connection, means, you need another external (public) IP address.
Second, you have to configure port forwarding in the router, e.g.
computer1 ext port 2023 to int port 23 on ip 192.168.1.2
computer2 ext port 2024 to int port 23 on ip 192.168.1.3
computer3 ext port 2025 to int port 23 on ip 192.168.1.4
computer4 ext port 2026 to int port 23 on ip 192.168.1.5

Then you can connect to the public ip address of the router via telnet to computer1 like this:
telnet public_ip 2023
to computer1 like this:
telnet public_ip:2024
a.s.o.

The original poster should always write the last response !!!
Let us know, if the problem is solved !!!


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#2
August 9, 2010 at 03:37:16
NAT -- Virtual Servers Setup

Virtual Server allows you to direct incoming traffic from WAN side (identified by Protocol and External port) to the Internal server with private IP address on the LAN side. The Internal port is required only if the external port needs to be converted to a different port number used by the server on the LAN side. A maximum 32 entries can be configured.

Server Name External Port Start External Port End Protocol Internal Port Start Internal Port End Server IP Address Remote Host Remove
RealVNC 5900 5900 TCP/UDP 5900 5900 1.1.1.4

______________________________________


Is this the correct page to do so ?

The NAT-Virtual Servers Page ?

What about DMZ ?

Sorry about the formatting. :-)


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#3
August 9, 2010 at 11:05:34
DMZ mostly did not work as expected.
The NAT Virtual Server Page is correct.
You have to use different external ports, because the internal ports are all the same and you are not able to set the telnet port 23 more than once, to be forwarded to an internal machine.
Therefore you need to configure it, as described above. The external ports I wrote down, can be changed. I used this ports, because they are not used for other services.

The original poster should always write the last response !!!
Let us know, if the problem is solved !!!


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#4
August 9, 2010 at 21:50:53
Thank you sir.

Problem solved. :-)


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#5
August 9, 2010 at 22:11:56
You are welcome !!!

The original poster should always write the last response !!!
Let us know, if the problem is solved !!!


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