If your domain only has one LON-CAPA server, or you have multiple servers and will display their log-in pages, their appearance can be customized as follows:
The following elements are configurable:
A "Log-in Help" link will be displayed immediately above any of the three optional links: Catalog, Contact Helpdesk and New User. Configuration options determine to which file(s) the "Log-in Help" points. The default file can be replaced with a custom HTML file containing information pertinent to your institution. In addition, versions of the custom file, translated into the twelve languages supported by LON-CAPA can be uploaded, and the link will automatically point to the appropriate (localized) file, depending on the viewer's language preference (as reported by the client web browser).
Where the "Contact Helpdesk" web form is in use it can be configured to include a CAPTCHA mechanism to discourage robotic form completion. There are two types of CAPTCHA to choose from - the "original" CAPTCHA which uses a self-contained perl module included with the LONCAPA prerequisites, or ReCAPTCHA, which uses an external web service - https://google.com/recaptcha - and requires you to create an account and generate public and private keys which will be entered in the domain configuration form. If you have more than one server in your domain, you should request "global" keys, as the same keys will be used by the Contact Helpdesk ReCAPTCHA on all servers in your domain.