This is because the IP Address 44.11.22.33 is a public IP address and port 22 is a public open SSH port. What we need to do is create an SSH tunnel between our local machine and our public SSH server. Our local machine on IP address 10.0.0.4 is on a completely different network and cannot access resources on the IP address 192.168.1.3. This implies that our public SSH server has access to our internal resources. Our SSH server and the internal resources are on the same network. A public SSH server of IP address 192.168.1.2 and a public IP address of 44.11.22.33 on port 22.An internal resource that we need access to on port 8080 and IP address 192.168.1.3.Suppose we have the following devices with IP addresses as shown respectively: Using the image above, let us go through an explanation of SSH tunneling from it. The image below is a demonstration of local port forwarding: Local port forwarding creates a local server and listens on our local machines for a local port and accesses that port that acts as a proxy. To access the internal network to tunnel through the access ports and smuggle content that we want. For example, let’s say we have a remote Remote Desktop Protocol (RDP) server or a remote database has a firewall that blocks some ports but allows access to some of the ports. Local port forwarding allows us access to remote content or resources to which we don’t have access. A remote device for remote port forwarding.
To perform SSH tunneling, you’ll need the following: In this article, we will look at two main subtopics in SSH tunneling, which are: If you are offsite and need to access a protected resource, you can use SSH to tunnel through an accessible resource to reach the protected resource. To ensure the security of our network services, not all ports are directly accessible from outside the Enterprise Network Compute System (ENCS) network. Port 22 is the SSH port on our router to be routed to our public SSH server. To perform SSH tunneling, we will need to perform port forwarding to allow port 22. SSH tunneling is also used to allow others outside our network to have access to it. SSH tunneling allows us to access remote resources that we do not have access to because they are internal to that network. SSH tunnels enable connections to a local port (i.e., a port on your desktop) to be transferred to a remote computer across a secure channel. Secure Shell (SSH) tunneling, also known as SSH port forwarding, is a technique for sending arbitrary data over an encoded SSH connection.
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