How to secure WebDAV with SSL and Two-Factor Authentication

A scenario where combining two-factor authentication with WebDAV might be for a public company that collaborates with an outside PR firm for financial releases. Knowledge of pending merger announcements or financial results is highly confidential corporate information and using two-factor authentication greatly reduces the risks of sharing static passwords. Many firms might also need to replace less-secure FTP services due to new compliance regulations.

For our purposes, a key benefit is that we can use the security tools available to protect HTTP services to protect WebDAV. In this how-to, we will create a secure WebDAV resource using Apache, Radius, SSL and two-factor authentication from WiKID Systems to set up secured remote drives on Windows, Mac and Linux machines.