# Configuring SSH Port Knocking to Hide an SSH Server

DevFeed: [Configuring SSH Port Knocking to Hide an SSH Server](<https://devfeed.tech/articles/configuring-ssh-port-knocking-to-hide-an-ssh-server-29874.md>)

Original publisher: [Read original article](<https://goteleport.com/blog/ssh-port-knocking/>)

Author: info@goteleport.com (Hugh Hemsworth)

Published: 2022-02-01T00:00:00Z

Content type: tutorial

Language: en

Sources: [Teleport](<https://devfeed.tech/sources/teleport.md>)

Topics: [ssh](<https://devfeed.tech/topics/ssh.md>), [OpenSSH](<https://devfeed.tech/topics/openssh.md>), [Security](<https://devfeed.tech/topics/security.md>), [Tutorial](<https://devfeed.tech/topics/tutorial.md>), [Linux](<https://devfeed.tech/topics/linux.md>), [Firewall](<https://devfeed.tech/topics/firewall.md>), [Command-line interface](<https://devfeed.tech/topics/cli.md>), [configuration](<https://devfeed.tech/topics/configuration.md>)

Tags: [config](<https://devfeed.tech/tags/config.md>), [firewall](<https://devfeed.tech/tags/firewall.md>), [how-to](<https://devfeed.tech/tags/how-to.md>), [linux](<https://devfeed.tech/tags/linux.md>), [openssh](<https://devfeed.tech/tags/openssh.md>), [security](<https://devfeed.tech/tags/security.md>), [ssh](<https://devfeed.tech/tags/ssh.md>), [terminal](<https://devfeed.tech/tags/terminal.md>), [tutorial](<https://devfeed.tech/tags/tutorial.md>)

## AI overview

This tutorial explains how to make an SSH server harder to discover on public networks by changing its default port and implementing SSH port knocking with knockd. It notes that these measures are security through obscurity and can add operational complexity.

## Source excerpt

This article explores how to change the default SSH port and implement SSH port knocking to hide SSH servers.