Querying IIS Log File Information Easily
Microsoft has a command line tool called LogParser that can easily be used to execute SQL statements against log files. The tool is extremely handy when there is problem with a web service or site hosted by IIS.
For example to see if a rogue consumer of your web service is doing something silly like looping through and flooding it with calls you can query the most called web service by IP address by issuing:
For example to see if a rogue consumer of your web service is doing something silly like looping through and flooding it with calls you can query the most called web service by IP address by issuing:
.\LogParser.exe -i:W3C " select count(*), date as date, cs-uri-stem, c-ip from \\servername\logs\current\* group by date, cs-uri-stem, c-ip having count(*) > 500000 " -rtp:-1This will return a nicely formatted result like so:
COUNT(ALL *) date cs-uri-stem c-ip ------------ ---------- ----------------------------- ------------- 510832 2013-07-11 /ExampleServices/Test.asmx 10.1.1.1 535199 2013-07-11 /ExampleServices/Example.asmx 10.1.1.2Log parser is typically installed in: C:\Program Files (x86)\Log Parser 2.2
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