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防火牆的介紹及技術分析

Check Point CCSA CCSE 便 Firewall Firewall

Firewall Firewall Proxy , Router, Gateway… 又是 ? Firewall ? Firewall

Firewall Router Packet Filtering Access Control List (ACL) Packets Router Packets ( : 192.168.1.0 ) Router 便 24 Packets Packets 192.168.1.0 Router 便 Reject

Packet Filtering Router Packet Filtering Packets IP address ,所 Router Packets Packets IP Email Packet filter 便 Packet Filtering Packets Email 便 Firewall

Firewall Application Layer Gateway 出的 Packets Proxy Proxy OSI Layer (Application Layer) Packet Packet OSI layer (Physical Layer) Application Lager Packets Packets Proxy

Proxy Application Layer       

Proxy ISO Layer Packets Proxy

Check Point FireWall-1 Firewall Stateful Inspection Packets Check Point

Firewall-1
Firewall Check Point ? …… $ $ $ $

Check Point FireWall-1 Firewall


 
 

    MCP
MCSA
MCSE
MCDBA

    CCNA
CCNP

    CCSA NG
CCSE NG

   
SCSA
SCNA

   
SCJP

   
RHCE
LPI
Linux+

   
CLS
CLP

   

OCA

   
CISSP

   
CNA

    CCA

   
     Dreamweaver
     Flash MX
     Photoshop CS
     Illustrator CS

   

     Excel 2003
     Word 2003
     PowerPoint
     Access 2003
     Outlook 2003

   
   
   
   
   
 
 

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