Firewall Fundamentals

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ACCEPT target

access rule

access rules

     creating

     management

accessing management interface

     in-band management

     out-of-band management

     via SSH

     via Telnet

ACEs (access control entries), viewing

ACK (acknowledge) segment

ACLs, (access control lists) 2nd

     and rulesets

     assigning to interface

     configuring

     extended, parameters

     viewing

active/active failover

address classes

address display formats (IP addresses)

Administration tab (Linksys BEFSR41v4 router)

advanced features, troubleshooting

AH (Authentication Header)

alarms

Albitz, Paul

ALE (annual loss expectancy), predicting

anti-spam software

anti-X

appliance firewalls

application filtering on web applications

application firewalls

application inspection

application layer (DoD model)

application layer filtering

application proxy firewalls

     application layer filtering

     limitations of

     Microsoft ISA Server 2004

         access rule management

         features

         filtering functions

         firewall client

         functionality of 2nd

         management console 2nd

         misconceptions about

         monitoring and reporting

         publishing rules

         remote administration

         SecureNAT client

         securing

         service requirements

         supported networks

         system requirements

         VPN functionality

         web caching server functionality

         web proxy client

Applications and Gaming tab (Linksys BEFSR41v4 router)

applications, IP-based

architectures

     dual-firewall

         layers of

     single-firewall

         Internet firewall with multiple DMZs

         Internet firewall with single DMZ

         Internet-screening firewall

         layers

ARO (annual rate of occurrence)

ARP (Address Resolution Protocol)

ASA (Cisco Adaptive Security Algorithm)

     anti-X

     configuring

ASA 5510

ASA 5510 Security Plus

ASA 5520

ASA 5540

ASDM/PDM remote access, configuring on PIX/ASA firewall

assigning

     ACLs to interfaces

     IP addresses to firewall interfaces

attacks

     motives for

     targeted

     untargeted

auditing policies

authentication

     certificates

     xauth

autonomous systems

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