Amazon Technologies, Inc.

David Liddell

Craig Hagan

Andrew Parisio

Andrew Paul Junquet

Systems and methods described herein provide for novel security policy features network devices. In embodiments, a first domain name system (DNS) request for a resource may be obtained by a first computer system associated with a firewall. The first DNS request may be between a second computer system and a DNS server and include a domain name for the resource. A determination may be made that the domain name included in the first DNS request is included in an access control list maintained by the first computer system. A first DNS response from the DNS server may be received by the first computer system and include an internet protocol (IP) address for the resource. The access control list may be updated to include the IP address for the domain name for the resource. The IP address may be transmitted to the second computer system by the first computer system.

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Miami, FL, United States of America

David Liddell