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:
Feb. 04, 2014
Filed:
Oct. 31, 2012
Lee Hahn Holloway, Santa Cruz, CA (US);
Srikanth N. Rao, San Francisco, CA (US);
Matthew Browning Prince, San Francisco, CA (US);
Matthieu Philippe François Tourne, San Francisco, CA (US);
Ian Gerald Pye, Santa Cruz, CA (US);
Ray Raymond Bejjani, San Francisco, CA (US);
Terry Paul Rodery, Jr., Millbrae, CA (US);
Lee Hahn Holloway, Santa Cruz, CA (US);
Srikanth N. Rao, San Francisco, CA (US);
Matthew Browning Prince, San Francisco, CA (US);
Matthieu Philippe François Tourne, San Francisco, CA (US);
Ian Gerald Pye, Santa Cruz, CA (US);
Ray Raymond Bejjani, San Francisco, CA (US);
Terry Paul Rodery, Jr., Millbrae, CA (US);
Cloudflare, Inc., San Francisco, CA (US);
Abstract
Message(s) are received from each one of multiple proxy servers, which are anycasted to the same IP address, that indicate source IP addresses of packets that are received that are directed to that same IP address. These proxy servers receive the packets as result of domain(s) resolving to that same IP address, and a particular one of the proxy servers receives the packets as a result of an anycast protocol implementation selecting that proxy server. Based on these message(s) from each of the proxy servers, a determination of the likelihood of a packet having a particular source IP address being legitimately received at each of the proxy servers is determined A message is transmitted to each of the proxy servers that indicates which source IP addresses of packets are not likely to be legitimately received at that proxy server.