it comes down to who you know, not what you know in the world of restricted internet @ work.
aarrr like a shootout in the old west armed with a memory stick, unrestricted temporary proxy cut & pastes work everytime, you just need 3 min at the terminal where someone does have the unrestricted access & your laughing, well not really, cause your on a stealth mission & laughing will give away your possition..

or do what i do,make a business case, or make a few friends within corporate helpdesk.lol