$ uname -rs
FreeBSD 6.4-STABLE
$ cat /etc/sysctl.conf
kern.polling.enable=1
kern.ipc.maxsockbuf=2097152
kern.ipc.somaxconn=8192
kern.maxfiles=65536
kern.maxfilesperproc=32768
net.inet.tcp.delayed_ack=0
net.inet.tcp.sendspace=65536
net.inet.tcp.recvspace=65536
net.inet.udp.recvspace=65536
net.inet.udp.maxdgram=57344
net.local.stream.sendspace=65536
net.local.stream.recvspace=65536
kern.random.sys.harvest.ethernet=0
kern.random.sys.harvest.interrupt=0