Protecting Public Hotspots

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Information about Protecting Public Hotspots

Published on February 6, 2009

Author: al3x



An ancient and somewhat embarrassing presentation to the ToorCon hacker conference in 2003. I was barely a freshman in college...

Protecting Public Hotspots from Hackers, Lawyers, and Other Ne’er-do-wells: Concept and Implementation Philip Leif Bjerknes Director Tangerine Unwired Inc. Alexander “al3x” Payne Student, Information Security Consultant Thursday, February 5, 2009

Public and Secure? • Physical Security • Liability • Network Security • Maintaining Accessibility Thursday, February 5, 2009

Physical Security • Theft Prevention • Environmental Hazards • Human Error • Maintaining Power and Connectivity Thursday, February 5, 2009

Liability Thursday, February 5, 2009

Network Security • Platform Choice • Traffic Shaping/Filtering • Limiting Services • Intrusion Detection? Thursday, February 5, 2009

Maintaining Accessibility • No Cumbersome Authentication • No Advertising • Effective Use of Encryption • Load Balancing/Traffic Management? Thursday, February 5, 2009

Open Security in Implementation: Flying Blowfish • What it is: - A distribution of OpenBSD for Soekris embedded “communication computers” - Designed to be an “openly secure” public wireless access point Thursday, February 5, 2009

Open Security in Implementation: Flying Blowfish • Prior Art/Props: - OpenSoekris - Flashdist - M0n0wall Thursday, February 5, 2009

Open Security in Implementation: Flying Blowfish • How it differs: - Wireless purposed - Crafty PF ruleset - No unnecessary services - Traffic monitoring/statistics Thursday, February 5, 2009

The Future of Secure Public Access • Next generation authentication/public access clash • Anonymity and “extrusion detection” Thursday, February 5, 2009

How to Make a Flying Blowfish • 1 shot vodka (pref. Gray Goose) • 1 shot tequila • 1 shot lime • 1 shot sugar syrup Shake, pour over ice in glass. Fill to top with Red Bull. Stir. Garnish with one Theo de Raadt. Enjoy securely. Thursday, February 5, 2009

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