File | Lock Pea

[2] Linux man-pages. (2023). fcntl(2) – file locks.

shared", "policy_id": "POL_42", "allowed_principals": ["user@domain", "backup_service"], "min_process_trust": 7, "audit_flag": true File Lock PEA

version: "1.0" fileset: "/data/sensitive/*.db" policy: default_lock: mandatory_shared max_readers: 5 allowed_writers: - user: db_svc process: /usr/bin/postgres encryption_anchor: true audit_failures: true [2] Linux man-pages

[3] NIST Special Publication 800-209: Security Guidelines for Storage Infrastructure . File Lock PEA

[4] eBPF.io – Extending kernel functionality securely.