Firewall Fundamentals

Index

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failed authentication, identifying in firewall logs

failover, active/active

features

     of Microsoft ISA Server 2004

     of Trend Micro firewall

     of Windows Firewall

fields

     of IP packet header 2nd

     of TCP segment header

     of UDP header

Filter screen (BEFSR41v4 Security tab)

filter table (Netfilter)

filtering decision process on PIX Firewall

filtering policies

filtering systems, maintaining

Firestarter, configuring Netfilter

Firewall Builder, configuring Netfilter

firewall client

     configuring on ISA server

firewall dynamic configuration layer 2nd

firewall logs

     forensics analysis

         performing

         port numbers, accessing from IANA

         spoofed IP addresses, identifying

     importance of

     legal admissibility of, ensuring

     reviewing 2nd

     spoofed IP addresses, identifying

     suspicious events, identifying

firewall management

     change control system

         configuring 2nd

         logging

     configuration files, controlling access to

     default gateway, configuring

     default passwords

     interfaces, configuring

     operating system maintenance

     physical failure, checking for

     software

         defects, tracking

         updating

         vulnerabilities

     syslog, configuring

     with CLI

     with GUI

firewall physical integrity layer

firewall security layer

firewall security policies [See security policies .]

firewall static configuration layer 2nd

firewalls

     functions performed by

         access authentication

         connection monitoring

         event reporting and recording

         packet inspection

         proxy

         resource protection

         stateful packet inspection

     host-based

     trust

fixup command 2nd

forensic analysis

     incorporating findings in security policies

     performing

     port numbers, accessing from IANA

     spoofed IP addresses, identifying

FORWARD chain (filter table)

fragrouter utility

freeware, syslog server products

FTP

     remote firewall management

functionality

     of firewalls

         access authentication

         connection monitoring

         event recording and reporting

         packet inspection

         proxy

         resource protection

         stateful packet inspection

     of Microsoft ISA Server 2004

         application filtering

         caching web data

         client access method configuration

         outbound access filtering

         publishing internal resources

         system policy rule configuration

     of proxy servers