Pattern matching algorithm to determine valid syslog messages

Details Pattern matching algorithm to determine valid syslog messages Pattern matching algorithm to determine valid syslog messages

2011-01-18

2011-01-18

Jalil, Neveen Abel (Department: 2165)

Data processing: database and file management or data structures

Data integrity

Policy, rule-based management of records, files, and documents

C706S045000, C709S220000

Reexamination Certificate

active

07873608

ABSTRACT:
A method for validating a syslog message having a plurality of message components. The method includes providing a meta regular expression. The meta regular expression is formed from a set of regular expressions with each of the regular expressions corresponding to one of the plurality of message components. The meta-regular expression represents a plurality of message component patterns, each of the message component patterns representing a different ordering of individual regular expressions of the set of regular expressions. The method further includes comparing the syslog message with the meta regular expression. The syslog message is deemed valid if the syslog message matches one of the plurality of message component patterns represented by the meta regular expression.

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RFC3164—The BSD syslog Protocol, p. 1, author C.Lonvick Aug. 2001.
Lonvick, Chris, “RFC 3164—The BSD SYSLOG Protocol,” http://www.faqs.org/rfcs/rfc3164.html, The Internet Society 2001, pp. 1-23.

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