Implementing the Cisco Adaptive Security Appliance

Implementing the Cisco Adaptive Security Appliance

1. Introduction to the ASA

   • ASA firewall models
     • ASA 5505, 5506-X, 5512-X
   • ASA configuration
     • is a full-featured security appliance
     • The default DRAM memory is 256 MB
     • assigns security levels to distinguish between inside and outside networks.
       • The security level numbers range from 0 (untrustworthy) to 100 (very trustworthy).
     • ASA 5505 is commonly used as an edge security device

2. ASA firewall configuration

   • Basic ASA Settings
     • Abbreviation of commands and keywords
     • Use of the Tab key to complete a partial command
   • Object Groups
     • Network object
     • Service object
   • Cisco ASA 5505 provides basic traffic filtering capabilities with ACLs.
   • Types of ASA ACL Filtering
     • Through-traffic filtering
     • To-the-box-traffic filtering
   • ASA with NAT
     • Dynamic NAT
     • Dynamic PAT
     • Static NAT
     • Policy NAT
   • AAA
     • The ASA can authenticate all administrative connections to the ASA

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