System and method for testing network firewall using fine granularity measurements
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United States of America Patent
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Jun 21, 2016
Grant Date -
May 31, 2007
app pub date -
Nov 8, 2006
filing date -
Nov 8, 2005
priority date (Note) -
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Abstract
A device may verify whether pinholes in a perimeter protection device are open and may determine pinhole opening and closing delays. The method for determining the pinhole opening delay may include sending a stream of packets for passing through the pinhole in the network perimeter protection device. The packets in the stream may be sent at known time intervals. The method may include receiving one or more of the packets in the stream, wherein the received packets passed through the pinhole. The pinhole opening delay may be based on an indication of the position of the first one of the packets received in the stream and the known time intervals. The pinhole closing delay may be based on the number of packets having passed through the pinhole, after sending a session termination message, and the known time intervals.
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