=================================================================== RCS file: /cvsrepo/anoncvs/cvs/src/share/ipf/Attic/example.13,v retrieving revision 1.1 retrieving revision 1.2 diff -u -r1.1 -r1.2 --- src/share/ipf/Attic/example.13 1996/01/09 09:29:39 1.1 +++ src/share/ipf/Attic/example.13 1996/07/18 05:57:21 1.2 @@ -1,61 +1,17 @@ # -# log all inbound packet on le0 which has IP options present +# Log all short TCP packets to qe3, with "packetlog" as the intended +# destination for the packet. # -log in on le0 from any to any with ipopts +block in to qe3:packetlog proto tcp all with short # -# block any inbound packets on le0 which are fragmented and "too short" to -# do any meaningful comparison on. This actually only applies to TCP -# packets which can be missing the flags/ports (depending on which part -# of the fragment you see). +# Log all connection attempts for TCP # -block in log quick on le0 from any to any with short frag +pass in dup-to le0:packetlog proto tcp all flags S/SA # -# log all inbound TCP packets with the SYN flag (only) set -# (NOTE: if it were an inbound TCP packet with the SYN flag set and it -# had IP options present, this rule and the above would cause it -# to be logged twice). +# Route all UDP packets through transparently. # -log in on le0 proto tcp from any to any flags S/SA +pass in fastroute proto udp all # -# block and log any inbound ICMP unreachables +# Route all ICMP packets to network 10 out through le1, to "router" # -block in log on le0 proto icmp from any to any icmp-type unreach -# -# block and log any inbound UDP packets on le0 which are going to port 2049 -# (the NFS port). -# -block in log on le0 proto udp from any to any port = 2049 -# -# quickly allow any packets to/from a particular pair of hosts -# -pass in quick from any to 10.1.3.2/32 -pass in quick from any to 10.1.0.13/32 -pass in quick from 10.1.3.2/32 to any -pass in quick from 10.1.0.13/32 to any -# -# block (and stop matching) any packet with IP options present. -# -block in quick on le0 from any to any with ipopts -# -# allow any packet through -# -pass in from any to any -# -# block any inbound UDP packets destined for these subnets. -# -block in on le0 proto udp from any to 10.1.3.0/24 -block in on le0 proto udp from any to 10.1.1.0/24 -block in on le0 proto udp from any to 10.1.2.0/24 -# -# block any inbound TCP packets with only the SYN flag set that are -# destined for these subnets. -# -block in on le0 proto tcp from any to 10.1.3.0/24 flags S/SA -block in on le0 proto tcp from any to 10.1.2.0/24 flags S/SA -block in on le0 proto tcp from any to 10.1.1.0/24 flags S/SA -# -# block any inbound ICMP packets destined for these subnets. -# -block in on le0 proto icmp from any to 10.1.3.0/24 -block in on le0 proto icmp from any to 10.1.1.0/24 -block in on le0 proto icmp from any to 10.1.2.0/24 +pass in to le1:router proto icmp all