Alternative authentication plugin for WordPress. This plugin add several login method: LDAP login and two Single Sign-on(SSO) login method: CoSign V2,
If CoSign login url changed, when user login the web browser will redirect to wrong place. If this happens, you can simply FALLBACK to LDAP authenticate backend or DISABLE this plugin totally.
$ echo -n > /cosign-sso/FALLBACK
$ echo LDAP > /cosign-sso/FALLBACK
After you correct the settings, not forgot to remove the FALLBACK file.