Packet #27052447

Database ID:	27052447
Mesh Packet ID:	`0xe6401ddf` Used for correlation across gateways
Timestamp:	2025-12-11 21:30:14 UTC
From Node:	Rogue One (ROG1)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	NODEINFO_APP Port: 4

Gateway:	ETH Goose (ET03)
Channel:	MediumFast
RSSI:	-28 dBm
SNR:	10.5 dBm
Hop Info:	0/5 hops Start: 5, Limit: 5
Relay Node:	`d8` ROG1 Last byte of the last hop that relayed this packet - Candidate source node(s) based on 0-hop direct receptions

Long Name:	Rogue One
Short Name:	ROG1
Node ID:	!048832d8
MAC Address:	1ZkEiDLY
Hardware:	NRF52_PROMICRO_DIY

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:	74 bytes
Gateway:	!909ec2ec
Channel:	MediumFast
Payload Type:	NODEINFO_APP
Hop Count:	Unknown / 5

Privacy Summary

Exposure Level:
Broadcast

Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 2 more...

Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 1 more...

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!909ec2ec` Node ID format
`channel_id`	`MediumFast`
`packet`	`MeshPacket` (74 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`76034776` Source node ID	uint32
`to`	`4294967295` (Broadcast) Visible to all nodes	uint32
`decoded.portnum`	`4` NODEINFO_APP	enum
`decoded.payload_length`	`74` bytes	size
`hop_limit`	`5` Remaining hops allowed	uint32
`hop_start`	`5` Initial hop limit	uint32
`hops_taken`	`0` Calculated: hop_start - hop_limit	derived
`rx_rssi`	`-28.0` dBm Signal strength at gateway	int32
`rx_snr`	`10.50` dB Signal quality at gateway	float
`rx_time`	`1765488610` 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`	`216` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1765488614.0071292` Unix timestamp	uint32

MQTT Privacy & Exposure Analysis

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

Exposure Level: Broadcast

Privacy Features:

✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
✓ Gateway node ID tracked
✓ Zero-hop: direct from source to MQTT gateway

Exposure Risks:

⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
⚠ RF signal metrics exposed (location inference possible)

MQTT-Specific Fields

Gateway ID:	`!909ec2ec`
Zero Hop Policy:	Enabled Direct gateway connection
Signal Metrics:	RSSI: -28.0 dBm SNR: 10.50 dB

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	NODEINFO_APP
Size:	74 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "id": "!048832d8", "long_name": "Rogue One", "short_name": "ROG1", "macaddr": "1ZkEiDLY", "hw_model": "NRF52_PROMICRO_DIY" }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!909ec2ec", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 76034776, "to": 4294967295, "id": 3862961631, "rx_time": 1765488610, "rx_snr": 10.5, "rx_rssi": -28, "hop_limit": 5, "hop_start": 5, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 216, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a092130343838333264381209526f677565204f6e651a04524f47312206d599048832d8283f4220829a4cc60d26346632c8c9d9bc68f82659ae28232bdf766ebcd8106bc55f7b124800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!048832d8", "long_name": "Rogue One", "short_name": "ROG1", "macaddr": "1ZkEiDLY", "hw_model": "NRF52_PROMICRO_DIY", "public_key": "gppMxg0mNGYyyMnZvGj4JlmuKCMr33ZuvNgQa8VfexI=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }

Raw Packet Data (74 bytes)

0a092130343838333264381209526f677565204f6e651a04524f47312206d599048832d8283f4220829a4cc60d26346632c8c9d9bc68f82659ae28232bdf766ebcd8106bc55f7b124800

Hex Analysis:

Size:	74 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 #27052447 Success

Packet Information

Payload Data

Decoded Data: