auth modules

auto An "Always Approved" eauth interface to test against, not intended for
django Provide authentication using Django Web Framework
keystone Provide authentication using OpenStack Keystone
ldap Provide authentication using simple LDAP binds
mysql Provide authentication using MySQL.
pam Authenticate against PAM
pki Authenticate via a PKI certificate.
rest Provide authentication using a REST call
sharedsecret Provide authentication using configured shared secret
stormpath Provide authentication using Stormpath.
yubico Provide authentication using YubiKey.