Firewall Purpose

• Restricts people to enter at a carefully controlled point
• Prevents attackers from getting close to other defenses
• Restricts people to leaving at a carefully controlled point
• Firewall can ensure that traffic is acceptable
• Focus of security decisions
• Enforce security policy
• Log network activity
• Limit exposure of one part of the organisation to others

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 Last change: Monday, June 21, 2004 3:47 pm
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