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Index

[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [Z]

L0phtCrack password-cracking software 2nd
L2TP (Layer Two Tunneling Protocol)
     versus IPSec 2nd
     versus PPTP 2nd
     Windows XP client software configuration example 2nd 3rd
LaBrea Technologies Sentry 2nd
LAN
    desktops
         resource separation 2nd
LANguard Network Security Scanner (GFI) 2nd 3rd 4th
LANs
     Doom
laptops
     resource separation 2nd
LAST-ACK state (TCP connections)
latency
     defining 2nd
     gateway processing
     packet size
     ping command
     propagation 2nd
Layer 3 switching
Layer 4 dispatchers (load balancers)
     network performance 2nd
Layer 7 dispatchers (load balancers)
     network performance 2nd
ldd utility
     application layer, troubleshooting
LEAP (Lightweight Extensible Authentication Protocol) 2nd
     dictionary attacks 2nd
limited personal use policies (security policies)
link layer
    troubleshooting
         ARP 2nd 3rd
         ifconfig utility
         ipconfig utility
         Tcpdump 2nd
Link search extension (Google) 2nd
Linux
     Check Point FireWall-1 stateful firewalls 2nd 3rd 4th 5th 6th 7th
     IPChains 2nd
    Netfilter/IPTables
         state tables, example of 2nd
         stateful firewalls 2nd 3rd 4th 5th 6th
    rpm utility
         software, removing
     WU-FTPD
Lion worm
LISTEN state (TCP connections)
listener stations
     network security assessments 2nd
listeners (proxy servers)
listing
     ports 2nd
load balancers
     network performance 2nd 3rd
         Layer 4 dispatchers 2nd
         Layer 7 dispatchers 2nd
local authentication
    routers
         SNMP 2nd 3rd
Local Security Policy editor (windows)
     null sessions, limiting
Local Security Policy editor (Windows)
     security logs, auditing
locking
     MAC addresses 2nd 3rd
     wired management 2nd
log analyzers
log file monitoring utilities (host-based IDS)
     Logcheck 2nd
log files
     analyzing 2nd
         automating
         automating, Check Point Firewall-1 firewalls 2nd
         automating, data retrieval 2nd
         automating, designing reports 2nd
         automating, file formats
         automating, log volume
         automating, SIM software
         developing feel for
         finding fun in
         firewall logs, Check Point FireWall-1 logs 2nd 3rd
         firewall logs, Cisco PIX logs 2nd
         firewall logs, IPTable logs
         firewall logs, Norton Personal Firewall logs 2nd
         firewall logs, ZoneAlarm logs 2nd
         IDS logs 2nd
         keyword searches
         router logs 2nd
         router logs, Cisco router logs 2nd
         timestamps
         UNIX
     characteristics of
         occasionally recorded information 2nd
         rarely recorded information 2nd
         regularly recorded information 2nd
     DNS requests
     event correlation
     general troubleshooting
     importance of
     incident handling 2nd
     intrusion detection
     TCP flags 2nd
     timestamps
     TTL
Logcheck log file monitoring utility 2nd
loggers (keystroke)
     firewall tunnels 2nd
logging
     in IDS
    routers
         router hardening 2nd 3rd 4th
login banners (routers), creating 2nd
login local command (routers)
login local command (SSH)
     router hardening
logings
     router attacks
logistics of network security assessments, determining
logs
    detailed
         system performance 2nd
     OpenSSH connections
    protocol-aware
         proxy firewalls
         proxy firewalls, RingZero Trojan exploit 2nd
     Web proxies
lsof (list open file) utility