Archive for the ‘Coding’ category

1. Introducing DNS Hammer, Part 1: DDoS Analysis – From DNS Reflection to Rate Limiting

   This article discusses DNS reflection, a technique used in DDoS attacks. DNS rate limiting can be used as mitigation against DNS reflection attacks. This paves the way to our new tool DNS Hammer. The program can help auditing a DNS server’s rate limiting configuration.

2. Attacking Wireshark

   Every once in a while there is some news about Wireshark being vulnerable to being attacked/exploited/pwned, meaning that there is a way to craft frames/packets in a pcap/pcapng file to make Wireshark crash and (if done right) execute malicious code. So let’s take a look at what that means and what can be done about […]

3. How millisecond delays may kill database performance

   Mike, an old buddy of mine is one of the best database application development consultants I have ever met. We worked together for the same company for a couple of years before I got into network analysis and he started his own company. A couple of months ago I found out that there was going […]