A free, self-paced textbook in 6 chapters. Read a chapter, then drill it with the 728 companion flashcards using spaced repetition.
Wireshark is a widely used network protocol analyzer that captures and inspects packets traversing a network interface. Originally developed for troubleshooting, packet analysis, s...
Display filters in Wireshark form a powerful query language for selecting packets based on protocol fields, values, and metadata. At the heart of this language are three logical op...
At the network layer, Wireshark provides extensive filters for IPv4 and IPv6, the cornerstones of modern internet communication. For IPv4, ip.ttl isolates packets with specific Tim...
Hypertext Transfer Protocol dissection is one of Wireshark's most mature and richly featured areas. HTTP methods are filtered with http.request.method, supporting equalities like "...
Wireshark transforms raw packet data into actionable insight through a rich set of statistical tools accessible from the Statistics menu. Protocol Hierarchy presents a tree view of...
Beyond filtering and statistics, Wireshark offers a number of features that streamline in-depth analysis. Follow TCP Stream reconstructs the bidirectional byte stream of a session,...