X

X Window System, 232, 248-250

XDR (external data representation), 229-230, 238

xhost authentication, 248-250

.xla extension, 586, 588

xlswins command, 248-249

Xmas tree scan, 53

XOR encryption, 391, 447

XP SP2 (Windows XP Service Pack 2), 206-208, 606

XRemote service, 361, 365

xscan program, 248

XSS (cross-site scripting), 581-582, 621

XSS attacks, 570-571, 621

xterm , 232, 250, 260

XWatchWin program, 249

Xwhois, 31