Packet #25423968

Database ID:	25423968
Mesh Packet ID:	`0x1e3e7258` Used for correlation across gateways
Timestamp:	2025-12-03 14:55:42 UTC
From Node:	MeshMadrid 00 🗼☀️ 🌐 (MM00)
To Node:	PuppetMaster T1000e (PMTM)
Success:	Processed
Protocol:	NODEINFO_APP Port: 4

Gateway:	MeshMadrid 00 🗼☀️ 🌐 (MM00)
Channel:	MediumFast
RSSI:	Unknown
SNR:	Unknown
Hop Info:	0/4 hops Start: 4, Limit: 4
Relay Node:	`96` MM00 Last byte of the last hop that relayed this packet - Candidate source node(s) based on 0-hop direct receptions

Long Name:	MeshMadrid 00 🗼☀️ 🌐
Short Name:	MM00
Node ID:	!326a9896
MAC Address:	1y0yapiW
Hardware:	HELTEC_MESH_NODE_T114

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:	94 bytes
Gateway:	!326a9896
Channel:	MediumFast
Payload Type:	NODEINFO_APP
Hop Count:	Unknown / 4

Privacy Summary

Exposure Level:
Direct Message

Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 3 more...

Exposure Risks:
⚠ Packet visible to MQTT subscribers

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!326a9896` Node ID format
`channel_id`	`MediumFast`
`packet`	`MeshPacket` (94 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`845846678` Source node ID	uint32
`to`	`1270822546` Target node ID	uint32
`decoded.portnum`	`4` NODEINFO_APP	enum
`decoded.payload_length`	`94` bytes	size
`hop_limit`	`4` Remaining hops allowed	uint32
`hop_start`	`4` Initial hop limit	uint32
`hops_taken`	`0` Calculated: hop_start - hop_limit	derived
`rx_rssi`	Not set	int32
`rx_snr`	Not set	float
`rx_time`	`1764765629` Receive timestamp	fixed32
`via_mqtt`	False Direct LoRa transmission	bool
`want_ack`	False No ACK requested	bool
`priority`	`10` Packet priority level	enum
`delayed`	Not set	enum
`channel`	Not set	uint32
`pki_encrypted`	False Standard encryption	bool
`next_hop`	Not set	uint32
`relay_node`	`150` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1764773742.3950765` 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: MediumFast
✓ Gateway node ID tracked
✓ Zero-hop: direct from source to MQTT gateway

Exposure Risks:

⚠ Packet visible to MQTT subscribers

MQTT-Specific Fields

Gateway ID:	`!326a9896`
Zero Hop Policy:	Enabled Direct gateway connection

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	NODEINFO_APP
Size:	94 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "id": "!326a9896", "long_name": "MeshMadrid 00 🗼☀️ 🌐", "short_name": "MM00", "macaddr": "1y0yapiW", "hw_model": "HELTEC_MESH_NODE_T114" }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!326a9896", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 845846678, "to": 1270822546, "id": 507408984, "rx_time": 1764765629, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 4, "hop_start": 4, "via_mqtt": 0, "want_ack": 0, "priority": 10, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 150, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09213332366139383936121d4d6573684d616472696420303020f09f97bce29880efb88f20f09f8c901a044d4d30302206d72d326a989628454220ea929386c48e834cc99e6a0d4c68d8d674cae397ab16c5fb9ea63667cb6aab0f4800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!326a9896", "long_name": "MeshMadrid 00 🗼☀️ 🌐", "short_name": "MM00", "macaddr": "1y0yapiW", "hw_model": "HELTEC_MESH_NODE_T114", "public_key": "6pKThsSOg0zJnmoNTGjY1nTK45erFsX7nqY2Z8tqqw8=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }

Raw Packet Data (94 bytes)

0a09213332366139383936121d4d6573684d616472696420303020f09f97bce29880efb88f20f09f8c901a044d4d30302206d72d326a989628454220ea929386c48e834cc99e6a0d4c68d8d674cae397ab16c5fb9ea63667cb6aab0f4800

Hex Analysis:

Size:	94 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 #25423968 Success

Packet Information

Payload Data

Decoded Data: