http://xn--80abm6c.xn--80aei0affqhj4g.xn--p1ai/Downloads/iperf-3.19-win64/cygwin1.dll
http://xn--80abm6c.xn--80aei0affqhj4g.xn--p1ai/Downloads/iperf-3.19-win64/iperf3.exe