August 2003
Intermediate to advanced
224 pages
5h 32m
English
book
How Secure Is Your Wireless Network? Safeguarding Your Wi-Fi LAN
by CCNA Lee Barken - CISSP MCP CPA
Content preview from How Secure Is Your Wireless Network? Safeguarding Your Wi-Fi LAN
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War Chalking
War chalking is the act of drawing symbols on sidewalks and walls to advertise the existence of an AP (Figure 4.17). Not exactly graffiti, war chalking was inspired by the markings used by hoboes during the Great Depression to communicate with one another. Their symbols indicated messages such as “Good place for a handout,” “Look out for dog,” and “Free telephone.” In modern times, war chalking is used to describe nodes as open, closed, or WEP, as well as the SSID, bandwidth, and contact info.
Figure 4.17. War chalking.
If you see one of these symbols outside your home or building, you've been war chalked. For more information about ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.