Methods and systems for screening input strings intended for use by web servers
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United States of America Patent
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May 23, 2006
Grant Date -
N/A
app pub date -
Nov 9, 1999
filing date -
Nov 9, 1999
priority date (Note) -
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Abstract
Methods and systems of screening input strings that are intended for use by a Web server are described. In the described embodiment, an attack pattern is determined that can be used to attack a Web server. A search pattern is defined that can be used to detect the attack pattern. The search pattern is defined in a flexible, extensible manner that permits variability among its constituent parts. An input string that is intended for use by a Web server is received and evaluated using the search pattern to ascertain whether the attack pattern is present. If an attack pattern is found that matches the search pattern, then a remedial action is implemented.
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