1. remote root .
2. shadow .
3. root .
(root) . root idle time w root .().
4. root .
5. .
6. .rhosts /etc/hosts.equiv /dev/null .
$ln -s /dev/null /.rhosts
$ln -s /dev/null /etc/hosts.equiv
7. root PATH ..
. root PATH .(.) root .. /user1/sspark ls .
#!/bin/sh
/bin/rm -rf /
root () ls . root PATH ...
8. CGI .
9. CGI 711 .
10. .
11. CGI .()
12. root .
13. CGIWrapper .
14. TCP_Wrapper .
15. chroot .
16. ..().........
17. (, messages, maillog, secure) , cron
.
,.
.
.
.... |