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Re: [perfsonar-user] remote server does not open up p5201: iperf3 Connection refused


Chronological Thread 
  • From: Xiao Wang <>
  • To: Mark Feit <>
  • Cc: "" <>
  • Subject: Re: [perfsonar-user] remote server does not open up p5201: iperf3 Connection refused
  • Date: Wed, 10 Jul 2019 17:52:01 +0000

Hi Mark,

Sorry I meant manually running server on p5201. Firewall is out of equation
because disabling firewall ddi not change anything.

Anything particular worth a dig on the host configuration? thanks!

Regards,
Shawn

> On Jul 9, 2019, at 12:37 PM, Mark Feit <> wrote:
>
> writes:
>
> I can run traceroute
> against other systems but not throughput and latency.(details posted
> below) I
> can reproduce this issue if I test the other way around. Network and
> firewall
> is proved not the issue.
> ...
> Note: for throughput test, it will run successfully if we manually open
> up
> port 5201 on the remote server.
>
> Trace runs without the cooperation of services on the remote system.
> Throughput requires port 5201 on the remote system to be reachable to reach
> the server side of iperf3. Having those measurements start working with
> you open the port manually means the firewall is misconfigured.
>
> Barring someone or something making changes, systems installed as toolkits
> and having the perfsonar-toolkit-security package installed should have
> properly-configured firewalls. Systems built using other means need to
> have their firewalls configured according to the table on this page:
> https://urldefense.proofpoint.com/v2/url?u=https-3A__docs.perfsonar.net_manage-5Fsecurity.html&d=DwIGaQ&c=yHlS04HhBraes5BQ9ueu5zKhE7rtNXt_d012z2PA6ws&r=gNIJI15rGXZKlSPH4nUtQPw64sKGqtWDs1DI5_XU4hw&m=zg9K-MpfmIAjZBh21a8chpkzWaOAzbnIG48RI58eE2g&s=jKWybqNOfLa8VsrwssqXiy6jfq2UWM__7_MuJUvxm40&e=.
>
> --Mark
>
>




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