Articles → MICROSOFT AZURE → Jump Server In Azure

Jump Server In Azure

In this article, we will create the jump server in Microsoft Azure.

Scenario

Consider a scenario, where you have a virtual machine and you want to perform the following actions on the virtual machine.

Don’t want to expose over the internet via the public IP address.
Login the virtual machine using the RDP.

Jump Server

In order to accomplish the above scenario, we use jump server. A jump server is a concept where we add another virtual machine in the same virtual network. It could be in the same or different subnet.

Click to Enlarge

The jump server virtual machine is exposed through the public IP address. To access the virtual machine (with no public IP address), we will work on these steps.

Let me work on the implementation part.

Implementation

For implementation, we will work on the following steps.

Create 2 virtual machines
Add a rule in the target virtual machine for 3389 port number.

Let us work on each step.

Create 2 Virtual Machines

Picture showing 2 virtual machines in which one virtual machine will act as a jump server and other as a target machine

Click to Enlarge

Here, we have created 2 virtual machines i.e. "jumpvm1" and "targetvm". The "jumpvm1" is associated with a public IP address and is in another subnet.

Whereas, the virtual machine "targetvm" is not associated with the public IP address.

Add A Rule In The Target Virtual Machine For 3389 Port Number

In the "targetvm", add the following inbound rule.

Picture showing a window for adding a new inbound rule for the target virtual machine

Click to Enlarge

Here, we are only allowing the jump server to access the target machine using the RDP.

Connect The Target Virtual Machine

Now, let us try to connect the target virtual machine from your local system. You will get the following error.

Picture showing the error message when tries to login using the RDP from the client machine

Click to Enlarge

But, if you access the target virtual machine from the jump server, you can access it.

Picture showing teh target machine logged in using RDP from the jump server

Click to Enlarge

Posted By -	Karan Gupta

Posted On -	Wednesday, May 19, 2021

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