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Current Path : /usr/src/contrib/ipfilter/rules/

FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64
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Current File : //usr/src/contrib/ipfilter/rules/example.10

#
# pass ack packets (ie established connection)
#
pass in proto tcp from 10.1.0.0/16 port = 23 to 10.2.0.0/16 flags A/A
pass out proto tcp from 10.1.0.0/16 port = 23 to 10.2.0.0/16 flags A/A
#
# block incoming connection requests to my internal network from the big bad
# internet.
#
block in on le0 proto tcp from any to 10.1.0.0/16 flags S/SA
#  to block the replies:
block out on le0 proto tcp from 10.1.0.0 to any flags SA/SA

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