OpenID
Links
Identity provider (OpenID provider)
Either your own server a service provider offering the service
- There is an example given with php-openid
apt-get install php-openid
Relying Party (Consumer)
Mod Auth OpenID for Apache
apt-get install libapache2-mod-auth-openid
- Customizing the login page, I mean the prompt for OpenID URI
- FAQ
Libraries
- PHP, Python & Ruby, also available in Debian