"Advanced Log Processing," by Anton Chuvakin. (http://online.securityfocus.com/infocus/1613)
"Log Analysis Resource List," by Tina Bird. (http://www. counterpane .com/log-analysis.html)
"Take Back Your Security Infrastructure," by Anton Chuvakin. (http://www.infosecnews.com/opinion/2002/08/14_03.htm)
Log-analysis mailing list archives. (http://lists.shmoo.com/pipermail/loganalysis/)
Global log aggregation. (http://www.dshield.org, http://www.mynetwatchman.com)
Tina Bird and Marcus Ranum's logging site. (http://www.loganalysis.org)