Reenvisioning SSH with ShellHub
21st Century SSH
© Lead Image © James Thew, 123RF.com
ShellHub offers an innovative approach to remote access with minimal reconfiguration of a firewall.
Secure Shell (SSH) is one of the most popular Linux services. With the global IPv4 address space shortage, it often becomes necessary to SSH into machines that are sitting behind a NAT-enabled router.
Rather than opening up network ports and then forwarding traffic individually to all your specific LAN devices, clearly it would be much better to access devices via a centralized point.
A new, natty piece of software called ShellHub [1] solves this headache nicely. ShellHub creates an SSH server inside your local network, allowing you to forward inbound SSH traffic to your other machines without having to mess around with the individual port forwarding settings for all your devices. Think of ShellHub as an alternative to the popular sshd daemon (OpenSSH) on your LAN.
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