Описана структура пакетов разных сетевых протоколов, имеющих отношение к стеку TCP/IP. IP/IPv6, TCP, UDP, ARP/RARP, ATMP, L2F, L2TP, PPTP, DHCP/ DHCPv6, DVMRP, ICMP/ICMPv6, IGMP, MARS, PIM, RIP, RIP2, RIPng for IPv6, RSVP, AH, ESP, BGP-4, EGP, EIGRP, GRE, HSRP, IGRP, NARP, NHRP, OSPF, Mobile IP, Van Jacobson, XOT, MGCP, SGCP, DNS, NetBIOS/IP, FTP, TFTP, Gopher, HTTP, S-HTTP, IMAP4, IPDC, ISAKMP, NTP, POP3, Radius, RLOGIN, RTSP, SMTP, SNMP, TACACS+, TELNET, X-Window.