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File: [local] / src / share / ipf / Attic / example.7 (download)

Revision 1.1, Tue Jan 9 09:29:49 1996 UTC (28 years, 5 months ago) by dm
Branch: MAIN
CVS Tags: OPENBSD_2_9_BASE, OPENBSD_2_9, OPENBSD_2_8_BASE, OPENBSD_2_8, OPENBSD_2_7_BASE, OPENBSD_2_7, OPENBSD_2_6_BASE, OPENBSD_2_6, OPENBSD_2_5_BASE, OPENBSD_2_5, OPENBSD_2_4_BASE, OPENBSD_2_4, OPENBSD_2_3_BASE, OPENBSD_2_3, OPENBSD_2_2_BASE, OPENBSD_2_2, OPENBSD_2_1_BASE, OPENBSD_2_1, OPENBSD_2_0_BASE, OPENBSD_2_0 

added IP filter to netstat/rc and put examples in /usr/share/ipf

# block all ICMP packets.
#
block in proto icmp all
#
# allow in ICMP echos and echo-replies.
#
pass in on le1 proto icmp from any to any icmp-type echo
pass in on le1 proto icmp from any to any icmp-type echorep
#
# block all ICMP destination unreachable packets which are port-unreachables
#
block in on le1 proto icmp from any to any icmp-type unreach code 3