Re: Harvey's law
If the hotel is crap enough and expensive enough that will not help either. Example the Etoille convention centre (nowdays Grand Hayatt) in Paris. Last time I was there (IETF 2011) it was killing any persistent sessions _INCLUDING_ port 443 and disallowing IM (so you use the hotel phone you know).
There are ways to getting around this as well, let's just say that I've encountered most of these scenarios. Yes, I'm including the persistent session killing on port 443.
Hotels should wise up on the fact that they aren't going to stop a skillful hacker from getting his/her unrestricted internet access. We're willing to pay for internet access (even if it is far more expensive in some hotels than what it should be), but we expect unfiltered access to the 'net when doing so.