Purpose traffic to riffy.hou.flightaware.com:6417

FlightAware ADS-B Flight Tracking
1

Could anybody explain the need and purpose of UDP traffic to riffy.hou.flightaware.com:6417 to me please? IP address 206.253.80.200 translates into riffy.hou.flightaware.com
My attempts to get this question answered through Internet sources failed unfortunately.
A firewall blocks such traffic currently and I am not aware of any negative side effects so far.
Any help would be highly appreciated. Thank you in advance.

2

Multilateration raw data. The exact host and port will change on each connection.

If the data is blocked, multilateration won’t work for you.

3

Thank you for the explanation. I am worried if host and port change on each connection the multilateration communication scheme might be considered somehow limited firewall-friendly as I would have to allow all hosts and ports …
However, I happily and gratefully noted the technical details that fully answered my question. I am considering the topic closed. Thank you again.

4

If you want to narrow down the rules, the current configuration is:

  • UDP ports 4999 - 19999 inclusive
  • hosts from the list of addresses that piaware.flightaware.com resolves to

note that this may change over time (in particular we periodically add and remove hosts)

5

Much appreciated, thank you.

6

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