Adding RedBrick's SSL cert to your keychain;

 1. Quit safari (apple-q)

 2. Start safari and go to https://www.redbrick.dcu.ie/

 3. When the "Safari can't verify the identity of the website" dialog
    comes up, choose "Show certificate"

 4. Check "always trust these certificates". Then click "continue". You
    will be asked to authenticate yourself to allow the cert to be
    stored.

Adding the RedBrick Radio feed;

 1. Open iTunes

 2. Use "Subscribe to Podcast" on the "Advanced" menu