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LAB 4 • You have accepted a position as network administrator for a law firm. Unfortunately, the previous administrator did not leave much documentation of the network infrastructure and its configuration. You have spend many hours documenting the transmission media, data storage, and device configuration. • You have examined the firewall in an attempt to understand the existing rules and their purpose, and to see whether rewriting the rule base could speed up the firewall’s rule base. The firewall works correctly, but some simple changes to the rule base could improve its performance dramatically. Improving a Rule Base • The network has IP addresses from 210.100.101.0 to 210.100.101.255. The firewall is at 210.100.101.1, the Web server is at 210.100.101.2, the DNS ser

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• You have accepted a position as network administrator for a law firm. Unfortunately, the previous administrator did not leave much documentation of the network infrastructure and its configuration. You have spent many hours documenting the transmission media, data storage, and device configuration.
• You have examined the firewall in an attempt to understand the existing rules and their purpose, and to see whether rewriting the rule base could speed up the firewall’s rule base. The firewall works correctly, but some simple changes to the rule base could improve its performance dramatically.

Improving a Rule Base

• The network has IP addresses from 210.100.101.0 to 210.100.101.255. The firewall is at 210.100.101.1, the Web server is at 210.100.101.2, the DNS server is at 210.100.101.3, the SMTP server is at 210.100.101.4, and the POP3 server is at 210.100.101.5.

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