Index[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [R] [S] [T] [U] [V] [W] hackers half duplex transmission HDLC (high-level data link control) headers 2nd acknowledgement numbers Ethernet destination address field preamble source address field 2nd 3rd IP TCP 2nd TCP destination port field 2nd TCP source port field hexadecimal numbering system 2nd hexadecimal values converting to decimal and binary values 2nd home page host names (TCP/IP) host-based IDSs hosts HTML (Hypertext Markup Language) HTTP encapsulation loading web pages from browsers HTTP (Hypertext Transfer Protocol) hubs Ethernet 2nd |