Cupfighter.net

By Andre Adelsbach

Image from christianmeichtry's Flickr photostream. Creative Commons license

The talk starts with explaining the properties of Satellite ISPs. Due to the nature of satellite communication, high latency, high downstream bandwidth, the ISPs often use performance enhancing proxies. Often the satellite ISPs use asymmetric links, using a local uplink in combination with the satellite downlink, but symmetric communication, where the uplink also is sent via the satellite is possible too.

The performance enhancing proxy on the local machine has to breaks some of the basic TCP/IP properties to enhance performance, in this also breaking some of the basic security measures.

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By Enno Rey & Daniel Mende
erey@ernw.de
dmende@ernw.de

When implementing Cisco Wireless network infrastructure Enno and Daniel got the impression that, security wise, these systems smell.

First part of the presentation focuses on what a typical implementation looks like.

There are three generations:
1.    Structured Wireless-Aware Networks (SWAN)
2.    Based on managed APs and LWAPP (After acquiring Airport)
3.    Cisco Unified Wireless Network

The talk focuses on generation one and three.
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He submitted a paper to the Defcon17 call for papers and was one of the luck few selected to present. He was ready to go to Las Vegas and give his presentation: “Cracking the Poor and the Rich”, but then learned that his passport was canceled by the government of his home country Venezuela.

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