Section
1.1.2
General

Restrict the forms authentication cookie to HTTPS by using the requireSSL attribute.

Coldfusion

In the <cfcookie> tag, set the "secure" attribute to "yes" - If browser does not support Secure Sockets Layer (SSL) security, the cookie is not sent. To use the cookie, the page must be accessed using the https protocol.

yes: Variable must be transmitted securely.

Django

The authentication session cookie can be marked secure by setting SESSION_COOKIE_SECURE to True (it defaults to False).

Natural Webagent
This is handled automatically when using EID authentication.
PHP

Under Apache you may force the SSL requirement with the following directive:

<Directory /path>
SSLRequireSSL
</Directory>

On IIS this setting is handled under in the "Web site properties" under "Directory Security."