Would these work for older os10 versions?

On Mon, 12 Jun 2017, Scott Granados wrote:

The following are some sysctl values that can be set to improve network and 
system performance.  I have pulled these from various sites.  Apply these 
either individually using the sysctl command or apply them by creating a 
/etc/sysctl.conf file and add these to the file then reboot.  Here are the 
suggested settings.

kern.maxproc=2500
kern.maxprocperuid=2048
kern.ipc.maxsockbuf=4194304
kern.ipc.somaxconn=2048
kern.ipc.nmbclusters=32768
kern.maxfilesperproc=300000
kern.maxfiles=300000
net.inet.ip.portrange.first=1024
net.inet.tcp.rfc1323=1
net.inet.tcp.win_scale_factor=8
net.inet.tcp.sockthreshold=16
net.inet.tcp.sendspace=1042560
net.inet.tcp.recvspace=1042560
net.inet.tcp.mssdflt=14482
net.inet.tcp.v6mssdflt=1428
net.inet.tcp.msl=600
net.inet.tcp.always_keepalive=0
net.inet.tcp.delayed_ack=3
net.inet.tcp.slowstart_flightsize=20
net.inet.tcp.local_slowstart_flightsize=20
net.inet.tcp.blackhole=2
net.inet.udp.blackhole=1
net.inet.icmp.icmplim=50

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