Patents by Inventor Alistair H. Nash

Alistair H. Nash has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • System, method and apparatus for use in monitoring or controlling internet access
    Patent number: 8141147
    Abstract: An apparatus, method and system for use in categorizing Uniform Resource Locators (URLs) when controlling or monitoring access to the Internet from a client. A request message is generated to request categorization of a specified URL. The request message comprises a licensing field carrying a license key. A remote server receives the license key and, if valid, generates a reply message denoting a category of the specified URL. The license key enables workload at the server to be managed efficiently.
    Type: Grant
    Filed: September 28, 2004
    Date of Patent: March 20, 2012
    Assignee: Websense UK Limited
    Inventors: John W. Sinclair, Ian James Pettener, Alistair H. Nash
  • System, method and apparatus for use in monitoring or controlling internet access
    Patent number: 8135831
    Abstract: An apparatus method and system are described for categorizing Uniform Resource Locators (URLs) when accessing the Internet 20 from a client 12. A request message 500 is generated to request categorization of a specified URL, and a category is provided in a reply message 600. The specified URL and the category are added to a category cache. In a second or subsequent instance of a URL request referring to the specified URL, the category is determined from the category cache. This reduces communication traffic in a network such as the Internet 20.
    Type: Grant
    Filed: September 14, 2009
    Date of Patent: March 13, 2012
    Assignee: Websense UK Limited
    Inventors: John W. Sinclair, Ian James Pettener, Alistair H. Nash
  • System, method and apparatus for use in monitoring or controlling internet access
    Patent number: 8024471
    Abstract: A system method and apparatus are provided for use in monitoring or controlling internet access at a client device 12. A request message 500 is generated to request categorization of a specified URL, and a reply message 600 is returned denoting a category of the specified URL amongst a predetermined set of categories. The request message 500 comprises a UDP package including a sequence number, a time stamp, and a data section carrying the specified URL. The reply message 600 comprises a UDP packet and includes the sequence number and the time stamp from the request message 500, and a data section identifying the category. The request message 500 and the reply message 600 are economical and provide efficient communication across a local area network or the Internet 20.
    Type: Grant
    Filed: September 28, 2004
    Date of Patent: September 20, 2011
    Assignee: Websense UK Limited
    Inventors: John W. Sinclair, Ian James Pettener, Alistair H. Nash
  • SYSTEM, METHOD AND APPARATUS FOR USE IN MONITORING OR CONTROLLING INTERNET ACCESS
    Publication number: 20100005165
    Abstract: An apparatus method and system are described for categorizing Uniform Resource Locators (URLs) when accessing the Internet 20 from a client 12. A request message 500 is generated to request categorization of a specified URL, and a category is provided in a reply message 600. The specified URL and the category are added to a category cache. In a second or subsequent instance of a URL request referring to the specified URL, the category is determined from the category cache. This reduces communication traffic in a network such as the Internet 20.
    Type: Application
    Filed: September 14, 2009
    Publication date: January 7, 2010
    Applicant: Websense UK Limited
    Inventors: John W. Sinclair, Ian James Pettener, Alistair H. Nash