Starting vsoagent interactively yields connect ECONNREFUSED without sending SYN.. about vso-agent HOT 8 CLOSED

Is this on-prem TFS or VSO?
What URL are you using?
Can you open the tfs url in a browser from the Ubuntu box?
Any proxies involved?
Ensure IPSec domain.

I recorded a video on how to get an http trace using charles proxy:
https://www.youtube.com/watch?v=PAVG50t_1bw

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Its an on-prem TFS.
I use the URL :8080/tfs where is the FQDN of the on-prem TFS.
I can use Firefox on the ubuntu box to connect to :8080/tfs without any problem. No http proxies are involved. Wireshark on the Ubuntu box shows the TCP connection between firefox and mytfsserver. Wireshark also shows that node agent/vsoagent.js does absolutely nothing on the network (no attempt to connect to mytfsserver).
I will attempt to install charles proxy for Debian...

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Nice: I wrote the URLs in such way that it got snipped...
The url is like mytfserver.mydomain.com:8080/tfs

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OK - confused - is it working? By snipped, does it mean you left off the protocol

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Got it working!
The URL entered for the vsoagent needs the protocol (http:) and a FQDN of the server e.g.:
http://mytfs.mydomain.com:8080/tfs
We also needed to enable Basic Auth on the TFS as described in http://blogs.teamfoundation.co.za/2015/05/installing-and-configuring-tfs-2015-on.html

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Great. I'm going to re-open and say we should have better error message here. Shouldn't have to resort to tracing for improper url - we should tell you

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I'll fix soon

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Since we're hot on the new agent and the issue was addressed by using FQDN, closing this

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