Slowloris and Nkiller2 vs. the Cisco CSS load balancer
Today I spent most of my time analyzing the Slowloris and Nkiller2 denial of service (DoS) tools together with my colleague Gert Kremer. Slowloris (name after the slow moving primates is a httpd DoS...
View ArticleBlackhat talk: Router exploitation by Felix “FX” Lindner
I arrived late, but talk hadn’t started unfortunately it did mean standing room only. FX had a cool feature in his presentation; every slide was accompanied by a BlackHat-O-Meter. Works like the base...
View ArticleConfidence 2009.02 – Router Exploitation – Felix “FX” Lindner
Unlike the last time I was actually on time for Felix’ talk. Due to last nights activity I was surprised that he was on time himself. Again his slides included the Blackhat-O-Meter. The first part of...
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BlackHatEU : Hacking Cisco Enterprise WLANs
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...
View ArticleSecuring networks with Cisco ASA
The Cisco ASA firewall offers protection for Denial of Service attacks, such as SYN floods, TCP excessive connection attacks etc. With the Policy Framework functionality, you can configure granular...
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Virtual Portchannel on Cisco NX-OS
802.3ad was released in 2000 and quickly almost every network manufacturer adopted the new standard. The port-channel configuration is found in many networks and there are many reasons to implement it....
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Third party SFP in Cisco equipment
Have you ever been in a situation that you wanted to use an OEM or third party SFP tranceiver in a Cisco switch? The third party SFP transceiver didn’t work and put your Cisco switch interface in...
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