5.0 Network Security

5.5 Given a scenario, install and configure a basic firewall.

• Types:
  
  
  • Software and hardware firewalls
    
    
• Port security
  
  
• Stateful inspection vs. packet filtering
  
  
• Firewall rules:
  
  
  • Block/allow
    
    
  • Implicit deny
    
    
  • ACL
    
    
• NAT/PAT
  
  
• DMZ