vincentjanelle

sudo vi /etc/sysctl.conf

net.inet.tcp.win_scale_factor=8
kern.ipc.maxsockbuf=4194304
net.inet.tcp.sendspace=1000000
net.inet.tcp.recvspace=1000000

sudo ls && cat /etc/sysctl.conf | while read line ; do sudo sysctl -w $line ; done

Or reboot.