/etc/sysctl.conf

## /etc/sysctl.conf
##  TUNING GUIDES FROM:
##  freebsd.org
##  calomel.org
############################
kern.ipc.soacceptqueue=32768
net.inet6.ip6.redirect=0
net.inet.ip.redirect=0
net.inet.raw.maxdgram=16384
net.inet.raw.recvspace=16384
net.route.netisr_maxqlen=8192
net.inet.tcp.sendspace=32768
net.inet.tcp.mssdflt=8960
net.inet.tcp.mssdflt=9176
net.inet.tcp.minmss=536
net.inet.tcp.msl=5000
net.inet.tcp.syncache.rexmtlimit=0
net.inet.tcp.tso=0
kern.random.fortuna.minpoolsize=256
kern.ipc.maxsockbuf=157286400
kern.msgbuf_show_timestamp=1
net.inet.icmp.drop_redirect=1
net.inet.ip.check_interface=1
net.inet.ip.random_id=1
net.inet.tcp.always_keepalive=0
net.inet.tcp.blackhole=2
net.inet.udp.blackhole=1
net.inet.tcp.fast_finwait2_recycle=1