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My home network is very secure, but my school's wireless network is open, which makes it vulnerable to wireless sniffing (e.g. with Firesheep). I just discovered the Location feature and I think it's really neat, but it doesn't make obvious a way to automatically switch Location based on which wireless network is currently connected.

Is this something which it is capable of, and if so then how do I set this up? Otherwise I guess I will use a program like NetworkLocation to do this; I'd just like to avoid paying for a program if possible.

(I'm using the latest Snow Leopard 10.6.5)

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3 Answers 3

up vote 3 down vote accepted

Since you mentioned Firesheep, let me put in a plug for Sheepsafe:

Sheepsafe was built to automate the task of switching your network configuration to use a SOCKS proxy whenever you join an untrusted network.

Sheepsafe works by keeping a configuration of known safe wireless networks. When you join an untrusted network, Sheepsafe switches to a network location that has a SOCKS proxy configured and starts a SOCKS proxy by SSH'ing into a remote server, thus protecting your browsing traffic from FireSheep and other snoopers on the local network. When you switch back to a safe network, Sheepsafe switches back to the default, trusted location and shuts down the SOCKS proxy.

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I actually did eventually find this! Earlier this week I set up Sheepsafe and got it working. It connects to an Amazon EC2 server I set up (which will be free for a year, thanks to Amazon's free usage tier) and I'm rather happy with how it turned out. –  Ricket Dec 11 '10 at 4:34

There are a number of location switch apps that work along with the Location feature such as NetworkLocation and LocationX. A more recent release you could also try is Airport Location

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The indicated web server doesn't seem to be the right one. Something fallen from the wrong side of Google?. Isn't this one the right location: macupdate.com/app/mac/34484/airport-location ? –  daniel Azuelos Apr 6 '13 at 11:57

The Location function doesn't let you automatically switch to the right network configuration.

You have to know that the original Automatic location configuration is a real security hole since it lets all you network interfaces up and doesn't give you a correct information of which one you are riding on. You can always check by looking at Apple > Location > Network Preferences...

This Automatic configuration is also one of the nightmares of any network engineer.

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