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Which historical development first enabled firewalls to evaluate the state of a connection rather than each packet independently?
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Which historical development first enabled firewalls to evaluate the state of a connection rather than each packet independently?
Basic packet filtering in late 1980s
Creation of application-layer proxy firewalls
Introduction of circuit-level gateways at Bell Labs
Invention of stateful inspection technology in the early 1990s
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Introduction of Firewall in Computer NetworkTags:
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