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File: [local] / src / share / ipf / Attic / example.12 (download)

Revision 1.1, Tue Jan 9 09:29:37 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

#
# get rid of all short IP fragments (too small for valid comparison)
#
block in proto tcp all with short
#
# drop and log any IP packets with options set in them.
#
block in log all with ipopts
#
# log packets with BOTH ssrr and lsrr set
#
log in all with opt lsrr,ssrr
#
# drop any source routing options
#
block in quick all with opt lsrr
block in quick all with opt ssrr