Packet #1103994

Database ID:	1103994
Mesh Packet ID:	`0xd99482d2` Used for correlation across gateways
Timestamp:	2025-06-17 18:47:03 UTC
From Node:	oasis11-5📌-8🇫🇮 (DRU5)
To Node:	!5981125c (125c)
Success:	Processed
Protocol:	NODEINFO_APP Port: 4

Gateway:	EA7-CA-015_Chiclana☀️ (575c)
Channel:	LongFast
RSSI:	-121 dBm
SNR:	-12.25 dBm
Hop Info:	3/3 hops Start: 3, Limit: 0

Long Name:	oasis11-5_📌_CM-8🇫🇮
Short Name:	DRU5
Node ID:	!c47ba8fc
MAC Address:	8BvEe6j8
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:	92 bytes
Gateway:	!1570575c
Channel:	LongFast
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
+ 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`	`!1570575c` Node ID format
`channel_id`	`LongFast` Default public channel
`packet`	`MeshPacket` (92 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`3296438524` Source node ID	uint32
`to`	`1501631068` Target node ID	uint32
`decoded.portnum`	`4` NODEINFO_APP	enum
`decoded.payload_length`	`92` 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`	`-121.0` dBm Signal strength at gateway	int32
`rx_snr`	`-12.25` dB Signal quality at gateway	float
`rx_time`	`1750186031` 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`	`184` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1750186023.7677653` 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 (3 hops)
⚠ RF signal metrics exposed (location inference possible)

MQTT-Specific Fields

Gateway ID:	`!1570575c`
Signal Metrics:	RSSI: -121.0 dBm SNR: -12.25 dB

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	NODEINFO_APP
Size:	92 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "id": "!c47ba8fc", "long_name": "oasis11-5_📌_CM-8🇫🇮", "short_name": "DRU5", "macaddr": "8BvEe6j8", "hw_model": "TRACKER_T1000_E" }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!1570575c", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3296438524, "to": 1501631068, "id": 3650388690, "rx_time": 1750186031, "rx_snr": -12.25, "rx_rssi": -121, "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": 184, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09216334376261386663121b6f6173697331312d355ff09f938c5f434d2d38f09f87abf09f87ae1a04445255352206f01bc47ba8fc284738014220f4b273d37bbe893a43b0dea7963de3d10cc0a9169a3de673da2c5dd195ec6534", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!c47ba8fc", "long_name": "oasis11-5_📌_CM-8🇫🇮", "short_name": "DRU5", "macaddr": "8BvEe6j8", "hw_model": "TRACKER_T1000_E", "role": "CLIENT_MUTE", "public_key": "9LJz03u+iTpDsN6nlj3j0QzAqRaaPeZz2ixd0ZXsZTQ=", "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }

Raw Packet Data (92 bytes)

0a09216334376261386663121b6f6173697331312d355ff09f938c5f434d2d38f09f87abf09f87ae1a04445255352206f01bc47ba8fc284738014220f4b273d37bbe893a43b0dea7963de3d10cc0a9169a3de673da2c5dd195ec6534

Hex Analysis:

Size:	92 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 #1103994 Success

Packet Information

Payload Data

Decoded Data: