HP-UX IPFilter Version 15.01 Administrator's Guide

Keep packet state information for TCP, UDP, and ICMP
Keep fragment state information for any IPv4 packet and the same rule to all related fragments
Drop all fragmented traffic if specified by rule
Create extensive logs when required
Supported and Unsupported Features
See Appendix A (page 121) for a list of supported and unsupported features, including utilities
and commands distributed with the open source IPFilter product but not supported by HP. This
appendix also lists the network interfaces that are supported and unsupported with HP-UX
IPFilter.
18 Overview