By Johannes B. Ullrich, Ph.D. OpenBSD Authentication Bypass and Privilege Escalation Vulnerability
https://www.qualys.com/2019/12/04/cve-2019-19521/authentication-vulnerabilities-openbsd.txt?_ga=2.58244398.587934852.1575530822-682141427.1570559125
Hijacking Linux (and BSD) VPN Connections
https://seclists.org/oss-sec/2019/q4/122
RASP vs. WAF: Alexander Fry Research Paper
https://www.sans.org/reading-room/whitepapers/application/runtime-application-self-protection-rasp-investigation-effectiveness-rasp-solution-protecting-vulnerable-target-applications-38950
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