Index_L

L

L2TP/IPSec client for Windows 98, 369

L2TP (Layer 2 Tunneling Protocol), 557

L2TP ports, 558

Lamarr, Hedy, 390

LAN, wireless. See wireless LAN

LANguard Network Scanner, 698-699

LAN Manager (LM), authentication and, 457

laptop computers, securing, 111-112

law enforcement, forensics of security incidents, 672-680

Layer 2 Forwarding (L2F) protocol, 557

Layer 2 Tunneling Protocol (L2TP), 557

LDAP, Active Directory and, 12

legacy clients, applying security settings to, 122

Lightweight Directory Access Protocol (LDAP), 9

link viruses, 659

Linux, Nmap scan (fig.), 702

LM

authentication, 491

compatibility levels (table), 495

Local Group Policy Editor, 337

Local Policies, 36-42

Local Policies node, 29

Local Security Authority (LSA), 471

Local Security Authority Subsystem (LSASS), 293

Local Security Policy, opening console, 108

Local Security Settings Console, using (fig.), 24

locking down

Exchange Servers with IIS Lockdown tool, 98

IIS servers with IIS Lockdown tool, 102-106

IIS servers with URLScan tool, 100-102

selecting type of server to (fig.), 94

servers, 92

SQL Server with IIS Lockdown tool, 93-95

lockout, Account Policies (table), 34

logon

account events (table), 625-626

events in Event Log (table), 622

hours configuration (fig.), 625

local attempt failures, 624

logons, Windows 2000 Kerberos restrictions, 473

Lucifer cipher, 269