/r/netsec, When school is in session I accompany my girlfriend to a coffee shop in town that caters to students. They have a whole room of booths, all that have electrical plugs on each table, wifi throughout, and actively kick out people that play youtube videos too loud and are being disruptive. It's nice, even though I'm not in school, because the atmosphere helps me stay more focused to get side-work and hobby projects worked on without constant interruption.
Last semester, the WiFi authentication was completely open, but the majority of ports were closed, even for outbound traffic. I could never check my email while connected. Strangely enough, 22 was open, so I could always set up a ssh tunnel if I needed. It was annoying, but easily worked around.
This semester the owner implemented WiFiDog, requiring registration and authentication with 2 hour leases on LAN IP addresses. Even more ports are closed. He locked down many ports between LAN addresses, including 80, so my girlfriend can't view sites that I'm working on my localhost. I didn't know that was even possible to do. He also closed port 53, including outbound, so we're required to use the router as our DNS server. But port 22 is still open...
This type of paranoia security baffles me, so I went snooping around the authentication server to dig up some information. Does anyone else sniff around Public WiFi hotspots who's operators secure it in really strange and frankly unnecessary ways? Or am I just a jerk?
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