It’s best to look at the existing settings and adjust from there.  In general 
yes but googling tuning TCP on OS X el cap or what ever your version wouldn’t 
hurt.  They should work though in general.

> On Jun 13, 2017, at 7:33 AM, -dan d. <[email protected]> wrote:
> 
>       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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