HP-UX Host Intrusion Detection System Release 4.0 Release Notes for HP-UX 11i v1 | HP-UX 11i v2

Installation
Hardware and Software Requirements
Chapter 228
• The memory mapped file (/var/opt/ids/ids_*) is 20 M in size. HP
recommends that you have at least 50 M of free space in /var for the
memory mapped files and log files.
• For HP-UX 11i v1, you must have certain patches for both the
operating system and the kernel audit system. Patch installation is
part of these installation instructions.
• The cron daemon must be enabled. Refer to cron(1M) for more
information.
• Virtual memory usage by the idscor process can be as high as 200
M. You might need to increase the maxdsiz tunable parameter for
your system.
Dual System
If a system is both an administration system and an agent system, it
must meet the requirements for both system types.