Network Traffic and Proxy Configuration

Mark Bakker edited this page Dec 9, 2016 · 4 revisions

Network Security

  1. Traffic is always initiated by the agent to StackState. No sessions are ever initiated from StackState back to the agent
  2. All traffic is sent over SSL

Open Ports

  • 17123/tcp: agent forwarder, used to buffer traffic in case of network splits between the agent and StackState
  • 17124/tcp: optional graphite adapter
  • 8125/udp: stsstatsd

Starting with version 3.4.0, these ports are available on localhost (, ::1 and fe80::1 only), unless non_local_traffic is set to true.

Default Agent Network Traffic

Debian, Ubuntu, RedHat, CentOS Mac OS X

In most cases (on linux) you run the agent by installing stackstate-agent: In that case traffic flows like this:

stackstate-agent --(localhost:17123)--> stackstate-agent --(https)-->

Using Proxies

For a detailed configuration guide on proxy setup, head over to Proxy Configuration.

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