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Pete Finnigan's Oracle Security Weblog

This is the weblog for Pete Finnigan. Pete works in the area of Oracle security and he specialises in auditing Oracle databases for security issues. This weblog is aimed squarely at those interested in the security of their Oracle databases.

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Another free Perl script to check the listener log

I talked a few days ago about a free script that Ivan had posted to my Oracle security forum. On Monday David has posted another free Perl script in a thread titled "Re: Detecting brute forcing listener password" that can be used to monitor the listener log to check for TNS-01169 errors. The script has to be restarted if the log is rotated. You can define the interval between checks and also the number of errors as a threshold to trigger if an email is sent. This is a good simple script and very useful to check for attacks against the listener.