1about: 2about:about 3about:addons 4about:buildconfig 5about:config 6about:crashes 7about:credits 8about:licence 9about:license 10about:logo 11about:memory 12about:mozilla 13about:neterror 14about:plugins 15about:support 16chrome: 17data: 18file: 19ftp: 20http: 21https: 22imap: 23jar: 24javascript: 25mailbox: 26mailto: 27news: 28place: 29resource: 30wyciwyg: 31