Ethereal Packet Sniffing (Syngress)

U

_U_ value, 426

udp keyword, 214, 218

UDP (User Datagram Protocol), 18, 363, 366

Unicode strings, 235, 417–418, 433

UNIX-based systems. See also Linux-based systems

building Ethereal on, 386, ch3

installing Ethereal from RPMs, 99–102, 122

installing Ethereal from Solaris package, 104–108, 122

installing Ethereal from source code, 108–120, 122–123

list of needed libraries for Ethereal, 384–385

unmounting CD-ROM, 81

unsigned integers, 230

upgrading Ethereal, 123

U.S. Department of Defense, 18

U.S. Federal Bureau of Investigation (FBI), 11

User Datagram Protocol (UDP), 18–19, 214, 218, 363, 366