First, Kerberize your [[system]]. Then:

#### [[!toggle id="firefox" text="Firefox"]]
[[!toggleable id="firefox" text="""
7. Open Firefox.
7. Go to [about:config](about:config).
7. Filter for `network.negotiate-auth`.
7. Set `network.negotiate-auth.trusted-uris` and `network.negotiate-auth.delegation-uris` to `netbsd.org`.
"""]]

#### [[!toggle id="safari" text="Safari (Mac OS X)"]]
[[!toggleable id="safari" text="""
7. Open Safari.
7. There is no Step 2.
"""]]

#### [[!toggle id="ie" text="Internet Explorer"]]
[[!toggleable id="ie" text="""
Internet Explorer can use Microsoft's built-in Kerberos. Anyone know how?
"""]]