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GitHub AE

Authentication

Authentication to GitHub

About authentication to GitHub

Create a strong password

Creating a strong password

Update access credentials

Updating your GitHub access credentials

Manage personal access tokens

Managing your personal access tokens

Reviewing your SSH keys

Deploy keys

Reviewing your deploy keys

Token expiration

Token expiration and revocation

Review security log

Reviewing your security log

Security log events

Remove sensitive data

Removing sensitive data from a repository

About anonymized URLs

GitHub's IP addresses

About GitHub's IP addresses

SSH key fingerprints

GitHub's SSH key fingerprints

Sudo mode

Unauthorized access

Preventing unauthorized access

Viewing and managing sessions

Viewing and managing your sessions

Account security

Keeping your account and data secure

About 2FA

About two-factor authentication

Configure 2FA

Configuring two-factor authentication

Configure 2FA recovery

Configuring two-factor authentication recovery methods

Access GitHub with 2FA

Accessing GitHub using two-factor authentication

Recover an account with 2FA

Recovering your account if you lose your 2FA credentials

Change 2FA method

Changing your preferred two-factor authentication method

Countries supporting SMS

Countries where SMS authentication is supported

Disable 2FA

Disabling two-factor authentication for your personal account

Secure your account with 2FA

Securing your account with two-factor authentication (2FA)

SAML single sign-on

About authentication with SAML single sign-on

SSH Key with SAML

Authorizing an SSH key for use with SAML single sign-on

Personal access token with SAML

Authorizing a personal access token for use with SAML single sign-on

Active SAML sessions

Viewing and managing your active SAML sessions

Authenticate with SAML

Authenticating with SAML single sign-on

About SSH

SSH agent forwarding

Using SSH agent forwarding

Managing deploy keys

Check for existing SSH key

Checking for existing SSH keys

Generate new SSH key

Generating a new SSH key and adding it to the ssh-agent

Add a new SSH key

Adding a new SSH key to your GitHub account

Test your SSH connection

Testing your SSH connection

SSH key passphrases

Working with SSH key passphrases

Connect with SSH

Connecting to GitHub with SSH

Use SSH over HTTPS port

Using SSH over the HTTPS port

Recover SSH key passphrase

Recovering your SSH key passphrase

Deleted or missing SSH keys

Permission denied (publickey)

Error: Permission denied (publickey)

Error: Bad file number

Error: Key already in use

Permission denied other-user

Error: Permission to user/repo denied to other-user

Permission denied other-repo

Error: Permission to user/repo denied to user/other-repo

Agent failure to sign

Error: Agent admitted failure to sign

ssh-add: illegal option -- K

Error: ssh-add: illegal option -- K

SSL certificate problem

Error: SSL certificate problem, verify that the CA cert is OK

Error: Unknown key type

SSH key audit

Error: We're doing an SSH key audit

Troubleshooting SSH

Commit signature verification

About commit signature verification

Displaying verification for all commits

Displaying verification statuses for all of your commits

Existing GPG keys

Checking for existing GPG keys

Generating a new GPG key

Add a GPG key

Adding a GPG key to your GitHub account

Tell Git about your signing key

Telling Git about your signing key

Associate email with GPG key

Associating an email with your GPG key

Signing commits

Signing tags

Verify commit signatures

Managing commit signature verification

Check verification status

Checking your commit and tag signature verification status

Use verified email in GPG key

Using a verified email address in your GPG key

Troubleshoot verification

Troubleshooting commit signature verification

Authentication documentation

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Authenticating with SAML single sign-on - GitHub Enterprise Cloud Docs

You can authenticate to GitHub Enterprise Cloud with SAML single sign-on (SSO) and view your active sessions.