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Annotation of src/share/ipf/example.5, Revision 1.2

1.1       dm          1: #
                      2: # test ruleset
                      3: #
1.2     ! kjell       4: # allow packets coming from foo (10.1.1.2) to bar (10.2.1.1)  through.
1.1       dm          5: #
1.2     ! kjell       6: pass in from 10.1.1.2 to 10.2.1.1
1.1       dm          7: #
                      8: # allow any TCP packets from the same subnet as foo is on through to host
                      9: # 10.1.1.2 if they are destined for port 6667.
                     10: #
1.2     ! kjell      11: pass in proto tcp from 10.2.2.2/24 to 10.1.1.2/32 port = 6667
1.1       dm         12: #
                     13: # allow in UDP packets which are NOT from port 53 and are destined for
                     14: # localhost
                     15: #
1.2     ! kjell      16: pass in proto udp from 10.2.2.2 port != 53 to localhost
1.1       dm         17: #
                     18: # block all ICMP unreachables.
                     19: #
1.2     ! kjell      20: block in proto icmp from any to any icmp-type unreach
1.1       dm         21: #
                     22: # allow packets through which have a non-standard IP header length (ie there
                     23: # are IP options such as source-routing present).
                     24: #
1.2     ! kjell      25: pass in from any to any with ipopts