Network Security of my Create3?

[slowrunner]

How are you connecting to your Create 3?

Wi-Fi (ROS 2)

Computer(s) Model(s) and Operating System(s)

Mac OS, Fusion VM, Ubuntu 20.04

Which version of ROS 2 is installed on your computer?

Galactic

Which firmware version is installed on your robot?

G.5.3

Which RMW is your robot running?

CycloneDDS

Does your robot have an assigned namespace? If so, please share.

No response

Is the robot connected to a network? If so, what is the network type?

Yes: 2.4GHz Home WiFi

Are there multiple Create 3 robots connected to your network?

No

Is multicast enabled?

Yes

What is the Adapter Board's USB/BLE Toggle currently switched to?

Bluetooth (default)

Describe your question.

I shutdown my Create3 with the /RobotPower service.

Later when I placed my Create3 on the dock to power-on, it chimed twice during the startup.

Checking the logs, I noticed some "huh?" entries that made me wonder about the security of my Create3.

What is this "user: mosqpub/2316-Create3-Wa"?

Dec 16 22:09:28 Create3-WaLi daemon.notice network[1478]: [INFO] (src/wifi_control.c:247) iface control: sudo network_device_interfaces_control.sh --interface=softap --action=del
Dec 16 22:09:28 Create3-WaLi user.notice network_manager: We trust you have received the usual lecture from the local System
Dec 16 22:09:28 Create3-WaLi user.notice network_manager: Administrator. It usually boils down to these three things:
Dec 16 22:09:28 Create3-WaLi user.notice network_manager:     #1) Respect the privacy of others.
Dec 16 22:09:28 Create3-WaLi user.notice network_manager:     #2) Think before you type.
Dec 16 22:09:28 Create3-WaLi user.notice network_manager:     #3) With great power comes great responsibility.
Dec 16 22:09:28 Create3-WaLi user.notice network_manager: sudo: a terminal is required to read the password; either use the -S option to read from standard input or configure an askpass helper
Dec 16 22:09:35 Create3-WaLi user.notice mosquitto: 1702764575: New connection from 127.0.0.1 on port 1883.
Dec 16 22:09:35 Create3-WaLi user.notice mosquitto: 1702764575: New client connected from 127.0.0.1 as mosqpub/2316-Create3-Wa (c1, k60).
Dec 16 22:09:35 Create3-WaLi user.notice mosquitto: 1702764575: Client mosqpub/2316-Create3-Wa disconnected.