# How to Configure SSH Certificate-Based Authentication

DevFeed: [How to Configure SSH Certificate-Based Authentication](<https://devfeed.tech/articles/how-to-configure-ssh-certificate-based-authentication-29683.md>)

Original publisher: [Read original article](<https://goteleport.com/blog/how-to-configure-ssh-certificate-based-authentication/>)

Author: info@goteleport.com (Honda McLaren)

Published: 2022-04-26T00:00:00Z

Content type: tutorial

Language: en

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

Topics: [Authentication](<https://devfeed.tech/topics/authentication.md>), [certificates](<https://devfeed.tech/topics/certificates.md>), [OpenSSH](<https://devfeed.tech/topics/openssh.md>), [Tutorial](<https://devfeed.tech/topics/tutorial.md>), [Security](<https://devfeed.tech/topics/security.md>), [public key](<https://devfeed.tech/topics/public-key.md>), [private key](<https://devfeed.tech/topics/private-key.md>)

Tags: [authentication](<https://devfeed.tech/tags/authentication.md>), [certificates](<https://devfeed.tech/tags/certificates.md>), [openssh](<https://devfeed.tech/tags/openssh.md>), [private-key](<https://devfeed.tech/tags/private-key.md>), [protocol](<https://devfeed.tech/tags/protocol.md>), [public-key](<https://devfeed.tech/tags/public-key.md>), [security](<https://devfeed.tech/tags/security.md>), [ssh](<https://devfeed.tech/tags/ssh.md>), [tutorial](<https://devfeed.tech/tags/tutorial.md>)

## AI overview

This tutorial explains how to configure SSH certificate-based authentication for an OpenSSH server. It contrasts static SSH keys with short-lived, CA-signed certificates that include identity, expiration, and policy controls, and outlines how servers validate certificates.

## Source excerpt

Learn how to configure SSH certificate-based authentication in OpenSSH using short-lived, CA-signed certificates to replace static SSH keys and improve security.