Systemintegrität überprüfen
Verwendet man freebsd-update zum Aktualisieren eines Systems, so kann auch mit Hilfe von freebsd-update die Integrität der Systemdateien überprüft werden:
# freebsd-update IDS Looking up update.FreeBSD.org mirrors... 3 mirrors found. Fetching metadata signature for 8.0-RELEASE from update5.FreeBSD.org... done. Fetching metadata index... done. Inspecting system... done. /.cshrc has SHA256 hash 6c023117f7a92667b56a2a36acc6f8cd4b2de5972dcf44cbfbbc2967d6aa83ef, but should have SHA256 hash e1450d7b3c8b61f305b55792a653a547492b949d315ff7168205bdf279bd2f3e. /etc/csh.cshrc has SHA256 hash 07f4515289339e203480041f3ff3982f6eb292584cbb164761f52215569b6136, but should have SHA256 hash 84c3dcd7eabd6b0da5077261c98b3dd345a7bd1e34e630921e02445e8d165249. /etc/group has SHA256 hash d47fb1922b56d37dff6c214fec708bf98fc11e04b735fd9de4693bcf43cdaf19, but should have SHA256 hash a2b26924da4c1fa1007f4c06f8607f07bc909f36112d8d671f95a6126d7b8c15. /etc/hosts has SHA256 hash 7af8062be560432c3f7fd5f3ceaac70c5fb5a4e8b840b1ad7f8a9c4a86277e8c, but should have SHA256 hash fc7360aff275514c9d437adc3e3a1d7fa94a88e6a2c88804f2287bc302b05fb0. /etc/manpath.config has SHA256 hash 047f43d8f50eb3d51c5f39416c77ef0dff890cc37582eded7b772c70f018a324, but should have SHA256 hash 1cefa217b837cc940405ef849d6a88a8fb493f34f1b990c87d0b639b636485d4. /etc/master.passwd has SHA256 hash 90fde15b127e00df91d5f7bb0c76e716b529652b0b513ebc5a896075647c040c, but should have SHA256 hash 212f97df7b05493facc106ed75c17a0131df99b5e656695bce8f07e8cde7ec6a. /etc/motd has SHA256 hash d996410887344e5d1890959f0f10cfc5362b60c16eb2328428ebc3e0de549298, but should have SHA256 hash ba25bc1d24e50377ebaaa125c2322cf590c238e001c2e11a54d956bc18c4832a. /etc/ntp.conf has SHA256 hash 15ca2615c6ef84646c973af2e97e34c7589748742657cfe5f7c34814eec1c50c, but should have SHA256 hash 99f129acc512fcd042bcc54f0ee93fed1a06d216b42433328c0adaab83585243. /etc/passwd has SHA256 hash c74f20892267aec63768790f0ef5e796074724742e58e3782297f568e7f82eed, but should have SHA256 hash 52dfb31101cc03b9065bd20e606cb15e13e194686798250c40c907a64383b27a. /etc/pwd.db has SHA256 hash 4e73815afdb4b7163b1ae5c211846a9d1e6a3a0a6d4f9a51c48ddbcddc9ff086, but should have SHA256 hash 6d7f65a6482e666dfd0ce892b0dd729aa1adbe6a2da136b73ecba7aaa7a503b7. /etc/spwd.db has SHA256 hash ad753b14c7846879b467d08dc6868bf970310ea586e83303f4d7c44e6ed5afd9, but should have SHA256 hash ccd36805ad87d19e6ffa86bf2a71714761d37e802891b46ca1d50516cff9b445. /etc/ssh/ssh_config has SHA256 hash e173a7ffd6d846eee4a4c2f5d4b3444c35f50fc8a03f6278c40aef0a8cbd63eb, but should have SHA256 hash eb8e55d3acbffd4f83681fc5b60d1ae66b69a1d3c04c3d71307a3432cc0ac2ce. /etc/ttys has SHA256 hash 7343c0427e81844bff6404ac123cefa0c17ea5bb0d38546830ebdfb764212bc1, but should have SHA256 hash 92d4e87e657add80879eb47cb87071a07cbfb723f8044d27219265328a98ef80. /root has 0700 permissions, but should have 0755 permissions. /root/.cshrc has SHA256 hash 6c023117f7a92667b56a2a36acc6f8cd4b2de5972dcf44cbfbbc2967d6aa83ef, but should have SHA256 hash e1450d7b3c8b61f305b55792a653a547492b949d315ff7168205bdf279bd2f3e.
Nun kann geprüft werden wieso diese Dateien verändert worden sind. Mehr Informationen zu freebsd-update findet man in der Manpage freebsd-update(8).
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