Methods and systems for screening input strings intended for...

Details Methods and systems for screening input strings intended for... Methods and systems for screening input strings intended for...

2007-03-27

2007-03-27

Barron, Gilberto (Department: 2134)

Information security

Monitoring or scanning of software or data including attack...

Intrusion detection

C717S143000, C726S011000

Reexamination Certificate

active

11275920

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.

REFERENCES:
patent: 6421781 (2002-07-01), Fox et al.
patent: 6442696 (2002-08-01), Wray et al.
patent: 6678733 (2004-01-01), Brown et al.
patent: 7051368 (2006-05-01), Howard et al.
RFC 2396 Uniform Resource Identifiers (URI) : Generic Syntax : 1998.

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