Clear private data
.clear data
.about:config
in the address bar.network.proxy.type
and give it a value of 2. This lets Firefox know that you want to use a pac file for your proxy.network.proxy.autoconfig_url
and set it to be https://pac.tjhsst.edu
.accessscience.com
. You should see a prompt for a username and password pop up. When prompted, put in the login information you would use to access Ion.