Physical security is video surveillance, entryway access, and sensors. In other words, it’s a network of things to protect and secure physical areas. Traditionally this network was analog and serial, but today it’s converging through the use of the Internet Protocol (IP). IP allows you to build a physical security network using one network and… Continue reading Physical Security Book Published
Category: Security
Wireshark 1.2.0 – New Version
Wireshark is a tool that performs packet and protocol analysis on a network. Packets are the virtual transport mechanism that moves are data from sender to receiver. Each packet has a header and payload – the header contains information about where the packet came from and where it’s going, as well as the protocols being… Continue reading Wireshark 1.2.0 – New Version
Passive Packet Capturing
User A to User B packet data traffic can be monitored through a HUB by User C using a “receive‑only” Ethernet cable. On the HUB end of the cable, there is a loop between TX and RX to activate the HUB port. Any traffic through the HUB will now include this port in the broadcasts.… Continue reading Passive Packet Capturing