Wiki edit of 
http://wiki.synchro.net/howto:linux_non-root by digital man: [setcap] <Retros> btw.. if you're running any kind of recent (last 2yrs+) systemd, you don't need to mess with any setcap stuff, just put this line in your service file in [services]:  AmbientCapabilities=CAP_NET_BIND_SERVICE
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