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(At least one) P1S doesn't support TLS for MQTT/FTP

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Assessment

Difficulty
3/5
Estimated time
1-2 days
Newbie friendliness
38/100
Issue type
Documentation
Clarity
Needs clarification
Activity status
Quiet

Research direction

The issue names no files or tests; start by reading the repository’s current MQTT and FTP documentation and the linked open-bambu-networking issue. Reproduce the reported port and TLS behavior on the listed firmware versions, then document the confirmed support or limitations if the behavior is consistent.

Written by the indexing model from the issue text.

Description

The behavior I've observed on my P1S doesn't match what's documented in this repo. For me, both MQTT and FTP are unencrypted, on their usual unencrypted ports (that is, I need to connect to port 1883 for MQTT and 21 for FTP, both with TLS disabled).

$ nc -zv 192.168.x.x 8883
nc: connect to 192.168.x.x port 8883 (tcp) failed: Connection refused
$ nc -zv 192.168.x.x 990
nc: connect to 192.168.x.x port 990 (tcp) failed: Connection refused
$  nc -zv 192.168.x.x 1883
Connection to 192.168.x.x 1883 port [tcp/*] succeeded!
$  nc -zv 192.168.x.x 21
Connection to 192.168.x.x 21 port [tcp/*] succeeded!
$ mosquitto_sub -h 192.168.x.x -p 1883 --insecure -u bblp -P <access code> -t 'device/01Pxxxx/report'
{ status messages... }

(A bit more detail on how I came to this conclusion here).

Observed on 01.09.01.00, 01.08.02.00, and 01.07.00.00

Has anyone else seen this behavior? At this point my best theory is I somehow got a device without certs installed. I'm making this ticket mostly so anyone else with the same problem can find it. If this is a common behavior, may be worth adding to the docs here. If not, I guess I'll just call it weird and move on.

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