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:
May. 18, 2010
Filed:
Nov. 22, 2002
Applicants:
Riku Salminen, Turku, FI;
Tuomo Syvänne, Vantaa, FI;
Mika Jalava, Siuntio, FI;
Inventors:
Assignee:
Stonesoft Corporation, Helsinki, FI;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 29/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of filtering a tunneled data packet including an outer header and an outer payload, the outer payload including an inner data packet including an inner header and an inner payload, where the value of at least one outer header field of the tunneled data packet is matched to a first rule, and the action defined in the first rule is taken. Taking the action defined in the first rule includes detecting the inner data packet within the tunneled data packet, matching the value of at least one field of the inner data packet to a second rule, and taking the action defined in the second rule.