HP-UX IPFilter Version A.03.05.14 Administrator's Guide

HP-UX IPFilter Configuration Examples
example.5
Appendix A158
example.5
#
# test ruleset
#
# allow packets coming from foo to bar through.
#
pass in from 10.1.1.2 to 10.2.1.1
#
# allow any TCP packets from the same subnet as foo is on
# through to host 10.1.1.2 if they are destined for port 6667.
#
pass in proto tcp from 10.2.2.2/24 to 10.1.1.2/32 port = 6667
#
# allow in UDP packets that are NOT from port 53 and are
# destined for localhost
#
pass in proto udp from 10.2.2.2 port != 53 to localhost
#
# block all ICMP unreachables.
#
block in proto icmp from any to any icmp-type unreach
#
# allow packets through that have a non-standard IP header
# length (ie there are IP options such as source-routing
# present).
#
pass in from any to any with ipopts
#