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DDoS attacks – an explanation of amplified reflective UDP-based attacks

Posted on March 28, 2016 by jimmy — No Comments ↓

One of the most common types of DDoS attacks is the UDP-based amplified reflection attack. I will now explain how this attack works and what makes it so hard to protect against it. The most targeted systems is web servers.…

Tagged with: amplification, amplified, attack, botnet, ddos, denial of service, reflector, stresser, udp
Posted in General Security, Security

Cisco ASA Anyconnect licensing for dummies, updated!

The picture below should be self-explaining. Click it for a larger version. Edit 2014: There was some errors in the logics around AEA-licenses. The picture below is now corrected. Please do not use the old version (v1.1). Let me explain this. First of all, Advanced Endpoint Assessment (AEA) is a feature where you can do advanced posture checks Continue Reading →

Cisco ASA hairpinning

Cisco Pix/ASA hairpinning The term hairpinning comes from the fact that the traffic comes from one source into a router or similar devices, makes a U-turn and goes back the same way it came. Visualize this and you see something that looks like a hairpin. Hairpinning is only relevant when the firewall is in routed mode since the "turnaround" of Continue Reading →

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DDoS attacks – an explanation of amplified reflective UDP-based attacks

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DDoS attacks – an explanation of amplified reflective UDP-based attacks

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