Note the item "Randomize the PID of newly created processes" in new System Hardening menu. It not detected in /etc/sysctl.conf root# sysctl kern.randompid kern.randompid: 0
A commit references this bug: Author: skreuzer Date: Tue Aug 9 15:57:37 UTC 2016 New revision: 303877 URL: https://svnweb.freebsd.org/changeset/base/303877 Log: Write kern.randompid to /etc/sysctl.conf PR: 211471 Reported by: survo@protonmail.com Reviewed by: robak@ Approved by: allanjude@ MFC after: 3 days Differential Revision: https://reviews.freebsd.org/D7440 Changes: head/usr.sbin/bsdinstall/scripts/hardening