Implementing Firewall Technologies

Implementing Firewall Technologies

1. ACL

   • Mitigating Network Attacks
     • Spoofing
     • DoS
   • Statements
     • Permit
     • Deny
   • Types
     • Standard
     • Extended
   • ACEs
   • ICMP
     • Internal Network
       • Echo Reply
       • Source Quench
       • Unreachable
     • Exit Network
       • Echo
       • Parameter problem

2. Firewall Technologies

   • Functions
     • Filtering
     • Inspection
     • Intrusion Detection
     • Audit
     • Alert
   • DMZ
   • Firewall System
     • Packet Filtering
     • Stateful
     • Proxy
   • ASA
   • Limitations
     • Slow Down Performance
     • Traffic can be tunneled
   • Benefits
     • Prevent
     • Reduce Security Complexity
     • Block Malicious Data

3. Zone-Based Policy Firewall

   • Actions
     • Pass
     • Drop
     • Inspect
   • Configuration
     • Create Zones
     • Identify Traffic
     • Define an Action
     • Identify a zone
     • Assign zones
   • Desing
     • Traffic Requirements
       • Transit Traffic
         • Rules
     • Physical Infrastructure
     • Zones
     • Policies

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