OpenBSD Performance

From NSMWiki

The following are sysctl values that help with network performance on OpenBSD. These values should be added to /etc/sysctl.conf so changes will not be lost on upon reboot.
Feel free to add more:

net.inet.tcp.recvspace=65535
net.inet.tcp.sendspace=65535
net.inet.ip.maxqueue=2048
kern.somaxconn=2048
net.bpf.bufsize=2097152
net.bpf.maxbufsize=4194304
net.inet.ip.portfirst=32768
net.inet.ip.portlast=49151
net.inet.ip.porthifirst=49152
net.inet.ip.porthilast=65535
kern.seminfo.semmni=1024
kern.seminfo.semmns=4096
kern.shminfo.shmmax=67018864
kern.shminfo.shmall=32768