Integrity checking

можно использовать mtree


 * security/aide            A replacement and extension for Tripwire
 * security/tripwire        File system security and verification program
 * security/yafic           Yet Another File Integrity Checker, similar to Tripwire
 * security/fcheck          Intrusion detection and Policy enforcement / auditing software
 * security/ossec-hids-client The client port of ossec-hids
 * security/ossec-hids-local The client and server (local) port of ossec-hids
 * security/ossec-hids-server A security tool to monitor and check logs and intrusions
 * security/suricata        Open Source next generation IDS/IPS engine by OISF

tripwire - устарело и на смену её aide, но I looked at all of them, but from what I see, it looks like just tripwire supports the password database :(

http://www.freebsd.org/doc/en/books/handbook/securing-freebsd.html#SECURITY-INTEGRITY

ids idp это комплесные решения.

http://www.techrepublic.com/blog/security/use-mtree-for-filesystem-integrity-auditing/283