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A URL categorization query is received. The URL categorization query includes at least one URL. The URL is used to determine a set of data distribution keys. A distributed key-value data store is queried using at least one data distribution key included in the determined set of data distribution keys. Categorization information is returned. The returned URL categorization information can be used to enforce policies.

Titel:	COMMUNICATING URL CATEGORIZATION INFORMATION
Link:	View record in USPTO Patent Applications (Volltext)
Veröffentlichung:	2023
Medientyp:	Patent
Sonstiges:	Nachgewiesen in: USPTO Patent Applications Sprachen: English Document Number: 20230350966 Publication Date: November 2, 2023 Appl. No: 18/220190 Application Filed: July 10, 2023 Claim: 1. A system, comprising: a processor configured to: receive a URL categorization query including at least one URL; use the URL to determine a set of data distribution keys; query a distributed key-value data store using at least one data distribution key included in the determined set of data distribution keys; and return categorization information; and a memory coupled to the processor and configured to provide the processor with instructions. Claim: 2. The system of claim 1 wherein returning the categorization information includes determining a total number of child URLs under a node. Claim: 3. The system of claim 1 wherein returning the categorization information includes determining a number of direct child nodes under a node. Claim: 4. The system of claim 1 wherein returning the categorization information includes sending all child URLs. Claim: 5. The system of claim 1 wherein returning the categorization information includes sending all direct child URLs. Claim: 6. The system of claim 1 wherein returning the categorization information includes sending a Bloom filter bitmap. Claim: 7. The system of claim 6 wherein the Bloom filter bitmap comprises information associated one or more direct child nodes. Claim: 8. The system of claim 7 wherein the Bloom filter bitmap is constructed using a set of hashes computed for each direct child node. Claim: 9. The system of claim 1 wherein returning the categorization information includes sending categorization for a single URL. Claim: 10. The system of claim 1 wherein the URL categorization query is received from a policy enforcement appliance. Claim: 11. The system of claim 10 wherein the policy enforcement appliance is configured to take an enforcement action with respect to the at least one URL based at least in part on the returned categorization information. Claim: 12. The system of claim 10 wherein the policy enforcement appliance is configured to query the system when a child URL has a Bloom filter bitmap hit. Claim: 13. The system of claim 1 wherein the set of keys comprises a plurality of keys, and wherein returning categorization information includes determining which categorization information for which key in the set should be returned. Claim: 14. The system of claim 11 wherein determining which categorization information should be returned includes determining which key corresponds to a longest URL. Claim: 15. The system of claim 11 wherein determining which categorization information should be returned includes determining which key corresponds to a malicious categorization. Claim: 16. The system of claim 13 wherein determining which key corresponds to a malicious is categorization includes determining a severity of the malicious categorization. Claim: 17. A method, comprising: receiving a URL categorization query including at least one URL; using the URL to determine a set of data distribution keys; querying a distributed key-value data store using at least one data distribution key included in the determined set of data distribution keys; and returning categorization information. Claim: 18. The method of claim 17 wherein returning the categorization information includes determining a total number of child URLs under a node. Claim: 19. The method of claim 17 wherein returning the categorization information includes determining a number of direct child nodes under a node. Claim: 20. A computer program product embodied in a tangible computer readable storage medium and comprising computer instructions for: receiving a URL categorization query including at least one URL; using the URL to determine a set of data distribution keys; querying a distributed key-value data store using at least one data distribution key included in the determined set of data distribution keys; and returning categorization information. Current International Class: 06; 06; 06; 06

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COMMUNICATING URL CATEGORIZATION INFORMATION