F

F FAT partitions, 171

Ferguson, Niels, 338-339

file encryption key (FEK), 205-206

file handles, 242

file servers, 150

file shares, 97-99, 143-144

file sharing, Windows, 151

file system, 140, 198, 205

File Transfer Protocol. See FTP

file2air tool, 445

filenames, 193

files. See also specific files

attachments. See attachments

batch, 302-304

browsing, 484

hiding, 198-199, 637-638

include, 171

names , 193

sample, 537-539

world-writable, 275-276

filtered ports, 470-471

filters

egress, 168, 500

ingress, 168, 500

IPSec, 202-203, 210

ISAPI, 90, 169-170, 172, 542

network traffic, 202-203, 505

rate limits, 501

TCP/IP, 202

TFTP access, 393

FIN packets, 53, 69

final security review, 530-531

financial information, 12

Find Computer tool, 144

find_ddos, 504

finger utility, 87-88, 364-365

fingerprinting, 69-72

firedaemon.exe file, 193

Firefox browser, 614-615

Firewalk tool, 474-475

Firewall-1 for UNIX, 466

firewall rulesets, 53

firewalls, 463-485

access control lists, 477

application proxy vulnerabilities, 480-484

banner grabbing , 468-469

Check Point, 465, 472, 477-479

deep packet inspection, 485

DNS security, 36

enumeration and, 134

Firewalk tool, 474-475

ICMP tunneling, 479-480

identifying, 465-472

Linux, 466-467, 485

Mac systems, 138

nmap utility, 470-472

packet-filtering, 477-480

port scanning, 465-467, 472, 475-476

proxy, 234-235, 480-484

raw packet transmissions, 473-474

route tracing, 467-468

scanning through, 472-476

search engine hacking and, 15-18

SMB services and, 148-149

types of, 464

UDP and, 39, 479-480

UNIX, 466-467, 480

UNIX platform, 215, 231, 234-235

VoIP and, 345

Windows Firewall, 148-149, 203, 205, 207, 600

WinGate, 482-484

ZoneAlarm, 636

FixedOrbit tool, 359

flags, TCP, 70

Flawfinder tool, 527

Fleeman, Anderson, and Bird Corporation, 412

floppy disk drives , 210

footprinting, 5-40

authorization for, 8

basic steps, 6-33

critical information, 7

described, 6, 42

DNS enumeration, 18-32

domain- related searches, 24-27

extranets, 6-7

Internet footprinting, 8-40

intranets , 7

IP-related searches, 28-31

need for, 6-7

phone numbers , 9, 11, 31-32, 295-296, 303

publicly available information, 8-18

remote access, 6-7

scope of activity, 8

search engines and, 14-18

WHOIS enumeration, 18-32

wireless networks, 408-425

Forensic toolkit, 290

Form Scalpel tool, 554-555

format string attacks, 222-224, 516-517

FormatGuard for Linux, 224

FoToZ exploit, 593

fpexedl.dll filter, 170

fping utility, 43

fpipe tool, 191-193

fpipe.exe file, 193

fport utility, 196

Fraggle attacks, 493-494

fragmentation, 70, 490

fragrouter , 395

FreeBSD systems, 136, 291-292, 503

freemp3.doc file, 588

FreeSWAN project, 282

FrontPage application, 546-547

FrontPage Server Extensions, 170

FSMax tool, 555-556

FTP (File Transfer Protocol)

anonymous, 235-237

enumeration, 79-81

UNIX platform and, 235-237

Windows and, 165-166, 172

FTP bounce scanning, 58-59

FTP clients , 80-81

FTP data channel, 475-476

FTP servers

signal handling problems, 269

UNIX and, 235-237

FTP sites

Offline Explorer Pro, 548

retrieving information about, 547

FTPD, 235-237, 269

FU Rootkit (fuzen_op), 640

fuzen_op (FU Rootkit), 640

fuzzing, 528-529, 556

FXCop tool, 527

Fyodor, 52