Understanding & Reading Packets

Reading packets can be invaluable to security professionals. Especially when trying to understand how NIDS/NIPS or other packet filtering...

Detecting Packet Sniffing

One main factor that contributes to the high success rate of a persistent attack is the “low-and-slow” approach. Detecting passive...

Client Puzzle Protocol (CPP)

Client Puzzle Protocol (CPP) is a proof-of-concept, in the late 1990s and early 2000s, to defend against denial-of-service (DoS) attacks....

Introduction to iptables

netfilter/iptables is a de facto IP packet filtering tool used in Linux operating system (OS). iptables provides features for system...

ARP Poisoning Using Ettercap-NG

Many Internet users know that devices/machines on networks are identified using IP addresses. But if you're familiar with the ISO/IEC...