... charges, 38 2PhoneSweep, 38 2, 38 8 39 1 security measures, 4 03 405servers, 122–1 23 software for, 38 2 39 2THC-Scan, 38 2, 38 5 38 8ToneLoc, 38 2 38 5wardialing, 37 8, 38 0–405, 666Dial-Up Networking ... channels, 31 9 32 2back doors, 533 –555countermeasures, 547–555default accounts, 433 – 437 described, 533 network devices, 433 –4 43 Novell NetWare, 30 0 30 2, 535 port numbers, 549, 550remote control, 539 –546scheduled ... pane. 630 Hacking Exposed: Network Security Secrets and Solutions Smurf countermeasure, 490snork, 1 63 stream.c attacks, 497–498SYN flood attacks, 233 – 236 ,491–4 93 TCP/IP and, 130 , 233 – 238 , 484,...