Lab 12: FirewallFirewallIn brief, a firewall is typically the first line of defense for any Internet-connected network. What a firewall doesany Internet connected network. What a firewall does and how it behaves depends on what level it operates on. (Those familiar with the OSI model will understand this.) Firewalls generally operate at the network layer (IP), or the application layer, such as HTTP proxies.IEG 7006 (2010)2
Lab 12: FirewallFirewallIEG 7006 (2010)3
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