The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 15, 2019
Filed:
Oct. 06, 2014
Verisign, Inc., Reston, VA (US);
David Blacka, Reston, VA (US);
Sean Mountcastle, Herndon, VA (US);
VERISIGN, INC., Reston, VA (US);
Abstract
A method for adding a blacklisted site to a whitelist. At least one whitelisting query may be generated for an encoded domain in the tag format: a nonce, a hash, a blocked-domain, and a static domain, each separated by a delimiter. The nonce is a unique identifier for the at least one query. The hash is a cryptographic hash of an IP address of the user, a normalized timestamp, and the blocked domain. The static domain is a constant domain representing the at least one query. The at least one query may be sent to a first recursive DNS server. The first recursive DNS server may create a message including whitelist information. The first recursive DNS server may send the message to a second recursive DNS server.