How to disable "Bess, the Internet Retriever"

First try to access
If your admin hasn't updated their Bess blocked-site list yet, you can use that site to get around Bess.

If that site is blocked, then follow the instructions on Peacefire's page, setting up a circumventor. You can set up the "circumventor" program on your computer, and it will give you a URL that you can use to bypass Bess wherever you go.