Basic 10
From Kyle's Wiki
This mission is about cookies.
To view your cookies, you can use javascript injection or a couple different firefox plugins.
Using javascript injection:
Go to Basic 10, then put the following into your address bar and hit enter:
javascript:alert(document.cookie);
This is your cookie. Javascript makes it very easy to edit - just use this to change level10_authorized to yes:
javascript:void(document.cookie="level10_authorized=yes");
Press enter to apply it, then press submit!