Installation
Tripwire # file check http://chinalinuxpub.com/vbbforum/showthread.php?s=&threadid=307702.
installation
Snort Guardian #
Intrusive system active firewall
There is a installation method in this blog
3.
installation
PortSENTRY # anti-port scan
Http://www.linuxfans.org/nuke/modules.php?name=forums&file=viewtopic&t=45636&highlight=idsϵͳ
4. Install chkwtmp # see if the system log is modified
FTP: //coast.cs.purdue.edu/pub/tools/unix/logutils/
5. Installation
Logcheck # When the system log changes changing, the email is sent to the mailbox http://linux.ositB.Net/index/Article.php/415
6. Install IDS # No time, then get it later