This article walks us through some of the core concepts of network manipulation and packet sniffing using Linux tools. [Joey Bernard] discusses the uses for packages like tcpdump, p0f ...

[Cnlohr] just published an ingenious but dangerous way to send Ethernet packets using an ATTiny85. The ATtiny directly drives one pair of differential TX wires of a standard Ethernet cable.

One frame in a packet-switched message. Most data communications is based on dividing the transmitted message into packets. For example, an Ethernet packet can be from 64 to 1,518 bytes in length.

Network packet brokers have undergone significant evolution over the past decade. Singh noted that 10 years ago, packet brokers were something that he had to educate customers about.

until the packet is completely assembled. A similar process occurs for parsing a packet after it is received. At the physical level, while Ethernet packets are sent and received, the contents are ...