Ul within a div

Giganews Newsgroups
Subject: Ul within a div
Posted by:  Mike (ampelo…@gmail.com)
Date: Tue, 5 Oct 2010

I have lots of problems putting uls inside of divs.
2 case's in point
1. I have a div with a border and a ul/li inside of it ,but they are
not rendered contained in the div
2. I have a ul in a div and the bullets are outside the dive.

What are the rules that I seem to be missing?