# Do not send RSTs for packets to closed ports net.inet.tcp.blackhole=2 # Do not send ICMP port unreach messages for closed ports net.inet.udp.blackhole=1 # Generate random IP_ID's net.inet.ip.random_id=1 # Breaks RFC1379, but nobody uses it anyway net.inet.tcp.drop_synfin=1 net.inet.ip.redirect=0 net.inet.tcp.syncookies=1 net.inet.tcp.recvspace=65228 net.inet.tcp.sendspace=65228 # fastforwarding - see http://lists.freebsd.org/pipermail/freebsd-net/2004-January/002534.html net.inet.ip.fastforwarding=1 net.inet.tcp.delayed_ack=0 net.inet.udp.maxdgram=57344 kern.rndtest.verbose=0 net.link.bridge.pfil_onlyip=0 net.link.tap.user_open=1 # The system will attempt to calculate the bandwidth delay product for each connection and limit the amount of data queued to the network to just the amount required to maintain optimum throughput. net.inet.tcp.inflight.enable=3 net.inet.ip.portrange.first=1024 net.inet.ip.intr_queue_maxlen=1000