Playing with fire(walls), Question No. 10

Playing with fire(walls), Question No. 10

10.) What firewall facility monitors the state of active connections and uses this information to determine which network packets to allow through?
A. access control list
B. dynamic packet filter
C. gateway
D. static packet filter

Answer from the SearchSecurity.com glossary:
"A dynamic packet filter is a firewall facility that can monitor the state of active connections and use this information to determine which network packets to allow through the firewall."

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This was first published in April 2005