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Difference between revisions of "Firewall"
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A firewall implements traffic filtering by blocking traffic for designated hosts or networks at the [[network layer]], before the data is interpreted by the [[protocol handler]]. | A firewall implements traffic filtering by blocking traffic for designated hosts or networks at the [[network layer]], before the data is interpreted by the [[protocol handler]]. | ||
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Also see [[iptables|IPtables]]. | Also see [[iptables|IPtables]]. | ||
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| + | {{countermeasures}} | ||
Revision as of 04:39, 16 May 2012
A firewall implements traffic filtering by blocking traffic for designated hosts or networks at the network layer, before the data is interpreted by the protocol handler. Also see IPtables.
Firewall is part of a series on countermeasures.
