https://k4i.top/tags/networking/Recent content in Networking on k4i's blogHugo -- gohugo.ioensky_io@outlook.com (K4i)sky_io@outlook.com (K4i)All content is subject to the license of <a rel="license noopener" href="https://creativecommons.org/licenses/by-nc-sa/4.0/" target="_blank">CC BY-NC-SA 4.0</a> .Sun, 19 Apr 2026 00:00:00 +0800https://k4i.top/posts/ssh-port-forwarding/Sun, 19 Apr 2026 00:00:00 +0800sky_io@outlook.com (K4i)Sun, 19 Apr 2026 00:46:31 +0800https://k4i.top/posts/ssh-port-forwarding/<p>SSH port forwarding (also called SSH tunneling) lets you securely route network traffic through an encrypted SSH connection. There are two directions: <strong>local forwarding</strong> (<code>-L</code>) to access remote services, and <strong>remote forwarding</strong> (<code>-R</code>) to expose local services to a remote machine.</p> <figure><img src="https://k4i.top/images/posts/ssh-port-forwarding/ssh-cover.svg" alt="Figure 1: SSH port forwarding connects two machines through an encrypted tunnel" width="90%"><figcaption> <p><span class="figure-number">Figure 1: </span>SSH port forwarding connects two machines through an encrypted tunnel</p> </figcaption> </figure> <h2 id="remote-port-forwarding">Remote port forwarding (<code>-R</code>)</h2> <p>Remote port forwarding forwards a port on the <strong>remote</strong> machine to a specified address and port on the <strong>local</strong> machine.</p>K4ifeatured imagesshnetworkinglinuxdevopsnotes