This document presents a compilation of research papers focusing on various aspects of network security and surveillance. The papers delve into topics such as encryption methods, minimum spanning tree algorithms for energy efficiency in wireless networks, network video surveillance systems, and the performance analysis of hierarchical transform coding for video codecs. Additionally, the collection examines IPv6 protocol implementation, DHCP snooping for rogue access point detection, trust-based routing mechanisms, and multicast routing over dual-stack virtual local area networks.