RSSYour iPhone can connect you to the web from just about anywhere, but sometimes browsing on a tiny screen isn't enough. With jailbroken 3G and some free software, it's pretty easy to bring that internet-anywhere access to your laptop.
Nate True put together a howto that will guide you through the steps for configuring your iPhone 3G as a web proxy using the 3Proxy software. The laptop connects to the iPhone over an ad-hoc WiFi connection, the iPhone connects to the internet on its 3G connection, and 3Proxy sits in the middle, shuttling http requests and responses from your laptop to the world wide internets.
There are a number of steps involved if you include the whole jailbreaking process. If you get this out of the way, though, you'll be prepared to jack in in an emergency (or in a lame-o airport with pay wifi).
How to tether your iPhone 3G
3Proxy
PwnageTool 2.0.1 (for jailbreaking your iPhone 3G)
Weird question, but is there any reason you couldn't use this to deliver an internet connection to a deactivated first-gen iPhone?
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Mike, you should be able to get your 1G connected over the ad-hoc network to your new phone. I don't think there's a GUI for adjusting the system's proxy settings, however you can manually tweak some config files to make it work. I don't have the equipment to get the exact settings for you, but check out the discussion at the following URL to get ideas about how to adjust the proxy settings for mobile Safari.
http://etler.livejournal.com/18726.html
Let us know if you get the details sorted out and I'll post it to the homepage in case it's useful for others.
-J
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