Initial commit - 611 cybersecurity skills across all subdomains

skills/performing-linux-log-forensics-investigation/references/standards.md

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+# Standards - Linux Log Forensics
+## Standards
+- NIST SP 800-92: Guide to Computer Security Log Management
+- NIST SP 800-86: Guide to Integrating Forensic Techniques
+- RFC 5424: The Syslog Protocol
+## Key Log Locations
+- /var/log/auth.log (Debian) or /var/log/secure (RHEL): Authentication events
+- /var/log/syslog (Debian) or /var/log/messages (RHEL): System messages
+- /var/log/kern.log: Kernel messages
+- /var/log/audit/audit.log: Linux Audit Framework
+- /var/log/wtmp, /var/log/btmp, /var/log/lastlog: Login records (binary)
+## Tools
+- journalctl: Systemd journal query tool
+- ausearch/aureport: Audit log analysis
+- logwatch, lnav: Log analysis utilities