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BadBlue Security - Frequently Asked Questions
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How does server logging work?

BadBlue Personal Edition supports Common Log Format (CLF) web server logs. The current default settings for logging are: (a) two days of logging are supported and prior days are automatically cleaned up; (b) log files can reach a maximum size per day of 524288 bytes. Both of these settings can be controlled (see below for details). The log file names take the form EXYYMMDD.LOG (YY=year; MM=month; DD=day) and are stored in the same directory as the BadBlue executable. Server logs can not be viewed by users unless you explicitly choose to share them using BadBlue's peer-to-peer file-sharing.


How do I control logging?

You can control logging by modifying the EXT.INI file in the BadBlue directory. Simply add the following lines to the bottom of the EXT.INI file:

[LOGGING]
DAYS=30
MAXSIZE=1000000

This example changes the default settings and allows 30 days of logging with a maximum size of 1 million bytes per day.


What is the format of CLF log files?

Builder.com has an excellent description of CLF log files. Briefly, each line consists of the following fields:

  • IP address of requester
  • Remote login (unsupported)
  • Authenticated user-name
  • Date and time of request
  • Request method and URL requested
  • HTTP status code of request
  • Bytes returned

    Each line is terminated with a carriage-return, line-feed combination.


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