Packet #10714445

Database ID:	10714445
Mesh Packet ID:	`0x594cc958` Used for correlation across gateways
Timestamp:	2025-09-15 13:27:08 UTC
From Node:	nodo814 (🏠)
To Node:	!3630b4d7 (b4d7)
Success:	Processed
Protocol:	NODEINFO_APP Port: 4

Gateway:	Zeux movile (ZMv)
Channel:	LongFast
RSSI:	-36 dBm
SNR:	11.0 dBm
Hop Info:	1/3 hops Start: 3, Limit: 2

Long Name:	nodo814
Short Name:	🏠
Node ID:	!708e96e9
MAC Address:	69hwjpbp
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:	72 bytes
Gateway:	!e6b97ab5
Channel:	LongFast
Payload Type:	NODEINFO_APP
Hop Count:	1 / 3

Privacy Summary

Exposure Level:
Direct Message

Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 1 more...

Exposure Risks:
⚠ Default channel - no encryption
⚠ Packet visible to MQTT subscribers
+ 2 more...

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!e6b97ab5` Node ID format
`channel_id`	`LongFast` Default public channel
`packet`	`MeshPacket` (72 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`1888392937` Source node ID	uint32
`to`	`909161687` Target node ID	uint32
`decoded.portnum`	`4` NODEINFO_APP	enum
`decoded.payload_length`	`72` bytes	size
`hop_limit`	`2` Remaining hops allowed	uint32
`hop_start`	`3` Initial hop limit	uint32
`hops_taken`	`1` Calculated: hop_start - hop_limit	derived
`rx_rssi`	`-36.0` dBm Signal strength at gateway	int32
`rx_snr`	`11.00` dB Signal quality at gateway	float
`rx_time`	`1757942828` 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`	`1757942828.6691723` 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
✓ Gateway node ID tracked

Exposure Risks:

⚠ Default channel - no encryption
⚠ Packet visible to MQTT subscribers
⚠ Multi-hop path visible (1 hops)
⚠ RF signal metrics exposed (location inference possible)

MQTT-Specific Fields

Gateway ID:	`!e6b97ab5`
Signal Metrics:	RSSI: -36.0 dBm SNR: 11.00 dB

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	NODEINFO_APP
Size:	72 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "id": "!708e96e9", "long_name": "nodo814", "short_name": "🏠", "macaddr": "69hwjpbp", "hw_model": "HELTEC_MESH_NODE_T114" }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!e6b97ab5", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1888392937, "to": 909161687, "id": 1498204504, "rx_time": 1757942828, "rx_snr": 11.0, "rx_rssi": -36, "hop_limit": 2, "hop_start": 3, "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": "0a0921373038653936653912076e6f646f3831341a04f09f8fa02206ebd8708e96e928454220ac65850a248c6ad0a539ffb3d34a700692b9dd53ef8fbda5ba69775e628eb0764800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!708e96e9", "long_name": "nodo814", "short_name": "🏠", "macaddr": "69hwjpbp", "hw_model": "HELTEC_MESH_NODE_T114", "public_key": "rGWFCiSMatClOf+z00pwBpK53VPvj72luml3XmKOsHY=", "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }

Raw Packet Data (72 bytes)

0a0921373038653936653912076e6f646f3831341a04f09f8fa02206ebd8708e96e928454220ac65850a248c6ad0a539ffb3d34a700692b9dd53ef8fbda5ba69775e628eb0764800

Hex Analysis:

Size:	72 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 #10714445 Success

Packet Information

Payload Data

Decoded Data: