O

ObiWaN tool, 216

object identifier (OID), 112-113

OBJECT tag, 575

Octel PBX system, 325-326

.ocx extension, 575

ODBC databases, 564

Oechslin, Philippe, 181

off-by-one errors, 514, 518

Office 2000 UA (OUA) control, 577

Office.NET, 204

Offline Explorer Pro, 548

OID (object identifier), 112-113

Okena StormWatch. See Cisco Security Agent

oleview tool, 576

omnithread_rt.dll file, 193

one-off attacks, 514, 518

online communities, 623

online services, 619-623

OOB (out-of- band ) packets, 490

Open Shortest Path First (OSPF), 398

Open Software Foundation (OSF), 161

Open Web Application Security Project, 561

OpenBSD, 221, 261, 410-411, 419

OpenBSD wireless drivers, 410-411

OpenConnect service, 9

openfile.cfm file, 538-539

OpenSSH, 137, 518

OpenSSH tool, 217, 255-256, 282

OpenSSL overflow attacks, 257-258

OpenSSL tool, 553

Openwall Linux, 221

Opera browser, 615

operating systems. See also specific operating systems

active detection, 69-72

detection countermeasures, 72

detection of, 68-72, 363-364

enumeration and, 134

fingerprinting, 69-72

identifying, 363-364

integration vulnerabilities, 619

passive detection, 73-75

Solaris, 67

Oracle databases, 563

Organizational Units (OUs), 200-201

organizations. See companies

Orinoco card drivers, 410

Orinoco cards, 410, 420-421, 444

OS. See operating systems

OSF (Open Software Foundation), 161

OSF RPC protocol, 161

OSI Layer 1, 366-368

OSI Layer 2, 368-369

OSI Layer 3, 381-386

OSI model, 8, 365-366

OSPF (Open Shortest Path First), 398

OSPF routes, 398

OUA (Office 2000 UA) control, 577

OUs (Organizational Units), 200-201

out-of-band (OOB) packets, 490

Outlook/Outlook Express (OE), 588, 590-591, 605, 610

Outlook Web Access (OWA), 9, 92, 547

OWA (Outlook Web Access), 9, 92

OWA servers, 9, 547

OWAP (Open Web Application Security Project), 565