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Efficient and secure user credential store for credentials enforcement using a firewall

  • US 10,051,001 B1
  • Filed: 07/31/2015
  • Issued: 08/14/2018
  • Est. Priority Date: 07/31/2015
  • Status: Active Grant
First Claim
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1. A system for a credentials store for credentials enforcement using a firewall, comprising:

  • a processor of a network device configured to;

    receive a plurality of user credentials from an authentication server;

    transform the plurality of user credentials for storage at the network device, comprising to;

    transform the plurality of user credentials into a bloom filter; and

    store the plurality of user credentials in a cache on the network device, wherein network traffic is monitored at the network device to perform credentials enforcement based on one or more of the plurality of user credentials, wherein the bloom filter is stored in the cache;

    monitor network communications between a client and an external site;

    determine if the client sends a request that includes user credentials for authentication at the external site using the bloom filter; and

    perform an action in response to a determination that the client sent the request that includes user credentials for authentication at the external site that match one or more of the plurality of user credentials stored at the network device, wherein the action includes activating an additional authentication request based on a two-factor authentication when an attempt to access a protected resource is detected; and

    a memory coupled to the processor and configured to provide the processor with instructions.

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