COMPUTER-IMPLEMENTED METHOD WITH REAL-TIME RESPONSE MECHANISM FOR DETECTING VIRUSES IN DATA TRANSFER ON A STREAM BASIS
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United States of America Patent
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Issued Date -
Dec 21, 2006
app pub date -
Jun 15, 2005
filing date -
Jun 15, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A computer-implemented and stream-based virus-detecting method which inspects packets for malicious contents in a network system scans each incoming packet forming input data for virus code. Depending on packet type, when a packet contains virus code, the method either removes the virus code, replaces a segment previously occupied by the virus code with information indicating the existence of the virus code and creates a modified packet by reconstructing a header and a checksum of the packet, or removes the virus without creating a modified packet, or withholds a last packet from reaching its destination address.
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