7.5 Ensure pattern in context.xml is correct

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Information

The pattern setting informs Tomcat what information should be logged per application. At a minimum, enough information to uniquely identify a request, what was requested, where the requested originated from, and when the request occurred should be logged. The following will log the request date and time (%t), the requested URL (%U), the remote IP address (%a), the local IP address (%A), the request method (%m), the local port (%p), query string, if present, (%q), and the HTTP status code of the response (%s).

pattern='%t %U %a %A %m %p %q %s'

Rationale:

The level of logging detail prescribed will assist in identifying correlating security events or incidents.

Solution

Add the following statement into the $CATALINA_BASE/webapps/<app_name>/META-INF/context.xml file if it does not already exist.

<Valve
className='org.apache.catalina.valves.AccessLogValve' directory='$CATALINA_HOME/logs/' prefix='access_log' fileDateFormat='yyyy-MM-dd.HH' suffix='.log'
pattern='%h %t %H cookie:%{SESSIONID}c request:%{SESSIONID}r %m %U %s %q %r'
/>

Default Value:

Does not exist by default.

See Also

https://workbench.cisecurity.org/files/3090