Associating a policy-based firewall with a dynamic DNS hostname
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United States of America Patent
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Aug 18, 2020
Grant Date -
Jan 11, 2018
app pub date -
Jul 11, 2016
filing date -
Jul 11, 2016
priority date (Note) -
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Abstract
Various embodiments of the invention disclosed herein provide techniques for associating a firewall policy with a dynamic domain name system (DNS) hostname. A policy configuration portal transmits a first request to a names server to translate a first hostname into a corresponding network address. The policy configuration portal receives a first network address from the names server in response to the first request. The policy configuration portal determines that the first network address is different than a second network address that is currently associated with the first hostname. The policy configuration portal associates the first network address with the first hostname. The policy configuration portal modifies a firewall policy configuration associated with the first hostname to include the first network address. At least one advantage of the disclosed techniques is that a firewall policy can be implemented for a residential home or small business that employs dynamic IP addressing.
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