secret web server in your TiVo DVR, or, "give your customers what they want or someone else will."

Open https:/// in your web browser and use 'tivo' as
the login with your Media Access Key as the password (media access key obtainable online from tivo.com) . If you don't know your
TiVo's IP address, you can find it under Settings -> Phone &
Network.

[from http://www.tivocommunity.com/tivo-vb/showthread.php?s=b476a664cb61a17411a74564d34d461d&t=371710]