L

L2TP (Layer Two Tunneling Protocol)

analyzing and selecting tunneling protocol for VPNs, 232

difficulties with using across Internet, 304

pre-shared keys option, 225

VPN connections and, 221

VPNs connecting via, 219

LAND attacks, 214

language options, Outlook Web Access, 301

LANs (local area networks), 3

LAT (local address table), 189

Layer Two Tunneling Protocol. See L2 TP (Layer Two Tunneling Protocol)

LDAP (Lightweight Directory Access Protocol), 48

ldp.exe, 48

legacy support

Firewall clients, 81

Virtual Server 2005, 348

licenses/licensing

Enterprise Edition, 10

EULA (End User License Agreement), 21

SBS (Small Business Server), 8

Standard Edition, 9

virtual machines, 351

Virtual Server 2005, 362

Lightweight Directory Access Protocol (LDAP), 48

link translation

configuring, 211

SharePoints and, 323

links. See URLs (uniform resource locators)

load balancing. See also NLB (Network Load Balancing)

Enterprise Edition and, 45

overview, 287

load factor, CARP, 290

local address table (LAT), 189

local area networks (LANs), 3

local host

access rule, 200

multinetwork configuration and, 196

networks, 139–140

LocalLAT.txt file, 85

lockdown mode, firewall policies, 160

logon, secondary logon with RunAs, 27

logs, 119–122

examining setup logs, 63

filtering, 122

logging to files, 121

logging to MSDE, 121

logging to SQL Server database, 119

reconfiguring following migration to ISA Server 2004, 90

setup, 32

summaries, 128

troubleshooting ISA Server/SBS installation, 375

types of, 119