This is from one who knows next to nothing about WiFi or networking. Seems like there are widely-accepted reasons why one should implement security on one's home wireless router. One reason I've heard is that somebody can drop a bunch of spam into it and get the owner's account cancelled by the ISP. Another seems tb a toehold for getting into inadequately-secured PCs on the network. Having said all that, I note that McDonalds' and seemingly every coffee shop and restaurant have WiFi available to their customers with no login screen.... just connect and use it. How do they deal with the downside exposures? Is there some turnkey application that a clueless noob could implement in order to allow strangers to share their WiFi without compromising security/ISP privileges?
