The Apache web server must produce log records that contain sufficient information to establish the outcome (success or failure) of events.

Web server logging capability is critical for accurate forensic analysis. Without sufficient and accurate information, a correct replay of the events cannot be determined.Ascertaining the success or failure of an event is important during forensic analysis. Correctly determining the outcome will add information to the overall reconstruction of the logable event. By determining the success or failure of the event correctly, analysis of the enterprise can be undertaken to determine if events tied to the event occurred in other areas within the enterprise.Without sufficient information establishing the success or failure of the logged event, investigation into the cause of event is severely hindered. The success or failure also provides a means to measure the impact of an event and help authorized personnel to determine the appropriate response. Log record content that may be necessary to satisfy the requirement of this control includes, but is not limited to, time stamps, source and destination IP addresses, user/process identifiers, event descriptions, application-specific events, success/fail indications, file names involved, access control, and flow control rules invoked.

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Review the access log file. If necessary, review the <'INSTALLED PATH'>\conf\httpd.conf file to determine the location of the logs. Items to be logged are as shown in this sample line in the <'INSTALLED PATH'>\conf\httpd.conf file: LogFormat "%a %A %h %H %l %m %s %t %u %U \"%{Referer}i\" " combined If the web server is not configured to capture the required audit events for all sites and virtual directories, this is a finding.

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Open the <'INSTALLED PATH'>\conf\httpd.conf file. Configure the "LogFormat" to look like the following within the block: LogFormat "%a %A %h %H %l %m %s %t %u %U \"%{Referer}i\" " combined

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AS24-W2-000140_rule The Apache web server must produce log records that contain sufficient information to establish the outcome (success or failure) of events.

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