Method and apparatus for restricting access to private information in domain name systems by filtering information
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United States of America Patent
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Sep 28, 1999
Issued Date -
N/A
app pub date -
Jul 16, 1996
filing date -
Jul 15, 1996
priority date (Note) -
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status (Latency Note)
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Abstract
A device and method filter information to restrict access to private information of a domain in a domain name system. The device includes a filtering device. The filtering device filters information received from devices external to the domain by removing the private information before forwarding the information to devices within the domain. The private information includes IP addresses and domain names. The private information also includes any additional information appended to legitimate responses to requests from devices in the domain.
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