Packet #14058870

Database ID:	14058870
Mesh Packet ID:	`0x725b6120` Used for correlation across gateways
Timestamp:	2025-10-07 20:05:59 UTC
From Node:	Void🌀🫥 (V017)
To Node:	COSLADA f1dc 🇪🇦🛰️ (f1dc)
Success:	Processed
Protocol:	NODEINFO_APP Port: 4

Gateway:	[TLG] 📡🌐🔋🔌 (tlg0)
Channel:	MediumSlow
RSSI:	-110 dBm
SNR:	-7.0 dBm
Hop Info:	3/3 hops Start: 3, Limit: 0

Long Name:	Void🌀🫥
Short Name:	V017
Node ID:	!93c073de
MAC Address:	2AKTwHPe
Hardware:	TRACKER_T1000_E

Raw Packet Analysis

Complete field breakdown and MQTT privacy/exposure analysis

Packet Structure

MQTT Packet Flow:
ServiceEnvelope (MQTT layer) → MeshPacket (Mesh layer) → Decoded Payload (Application data)

Total Size:	77 bytes
Gateway:	!da638a24
Channel:	MediumSlow
Payload Type:	NODEINFO_APP
Hop Count:	3 / 3

Privacy Summary

Exposure Level:
Direct Message

Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 2 more...

Exposure Risks:
⚠ Packet visible to MQTT subscribers
⚠ Multi-hop path visible (3 hops)
+ 1 more...

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!da638a24` Node ID format
`channel_id`	`MediumSlow`
`packet`	`MeshPacket` (77 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`2478863326` Source node ID	uint32
`to`	`2661347804` Target node ID	uint32
`decoded.portnum`	`4` NODEINFO_APP	enum
`decoded.payload_length`	`77` bytes	size
`hop_limit`	Not set	uint32
`hop_start`	`3` Initial hop limit	uint32
`hops_taken`	`3` Calculated: hop_start - hop_limit	derived
`rx_rssi`	`-110.0` dBm Signal strength at gateway	int32
`rx_snr`	`-7.00` dB Signal quality at gateway	float
`rx_time`	`1759867557` Receive timestamp	fixed32
`via_mqtt`	False Direct LoRa transmission	bool
`want_ack`	False No ACK requested	bool
`priority`	Not set	enum
`delayed`	Not set	enum
`channel`	Not set	uint32
`pki_encrypted`	False Standard encryption	bool
`next_hop`	Not set	uint32
`relay_node`	Not set	uint32
`tx_after`	Not set	uint32
`timestamp`	`1759867559.5134766` Unix timestamp	uint32

MQTT Privacy & Exposure Analysis

Analysis of privacy features and exposure risks when packet is shared via MQTT

Exposure Level: Direct Message

Privacy Features:

✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
✓ Custom channel: MediumSlow
✓ Gateway node ID tracked

Exposure Risks:

⚠ Packet visible to MQTT subscribers
⚠ Multi-hop path visible (3 hops)
⚠ RF signal metrics exposed (location inference possible)

MQTT-Specific Fields

Gateway ID:	`!da638a24`
Signal Metrics:	RSSI: -110.0 dBm SNR: -7.00 dB

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	NODEINFO_APP
Size:	77 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "id": "!93c073de", "long_name": "Void🌀🫥", "short_name": "V017", "macaddr": "2AKTwHPe", "hw_model": "TRACKER_T1000_E" }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!da638a24", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2478863326, "to": 2661347804, "id": 1918591264, "rx_time": 1759867557, "rx_snr": -7.0, "rx_rssi": -110, "hop_limit": 0, "hop_start": 3, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 0, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09213933633037336465120c566f6964f09f8c80f09faba51a04563031372206d80293c073de28473801422065ab4e3ade277d7b03809bfafd43b0f4229bdaf3ce7d7731c14abcd134b64e7a", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!93c073de", "long_name": "Void🌀🫥", "short_name": "V017", "macaddr": "2AKTwHPe", "hw_model": "TRACKER_T1000_E", "role": "CLIENT_MUTE", "public_key": "ZatOOt4nfXsDgJv6/UOw9CKb2vPOfXcxwUq80TS2Tno=", "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }

Raw Packet Data (77 bytes)

0a09213933633037336465120c566f6964f09f8c80f09faba51a04563031372206d80293c073de28473801422065ab4e3ade277d7b03809bfafd43b0f4229bdaf3ce7d7731c14abcd134b64e7a

Hex Analysis:

Size:	77 bytes
Format:	Protobuf (Protocol Buffers)
Encoding:	Binary with varint and length-delimited fields

This is the raw protobuf-encoded payload as received from MQTT. The structure follows the Meshtastic protobuf schema definitions.

Packet #14058870 Success

Packet Information

Payload Data

Decoded Data: