contrib/ipfilter/rules/example.12


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#
# 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