Packet #3222245

Database ID:	3222245
Mesh Packet ID:	`0xeaa8dcf4` Used for correlation across gateways
Timestamp:	2025-07-09 15:26:17 UTC
From Node:	MIR1-CLM-868 (MIR1)
To Node:	Xyon 282 📡 (X282)
Success:	Processed
Protocol:	NODEINFO_APP Port: 4

Gateway:	Mhydhesh (MHYD)
Channel:	LongFast
RSSI:	-128 dBm
SNR:	-17.75 dBm
Hop Info:	2/3 hops Start: 3, Limit: 1

Long Name:	MIR1-CLM-868
Short Name:	MIR1
Node ID:	!a0cc1f30
MAC Address:	MO2gzB8w
Hardware:	HELTEC_V3

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:	!b03c5588
Channel:	LongFast
Payload Type:	NODEINFO_APP
Hop Count:	2 / 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`	`!b03c5588` Node ID format
`channel_id`	`LongFast` Default public channel
`packet`	`MeshPacket` (77 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`2697731888` Source node ID	uint32
`to`	`14133360` Target node ID	uint32
`decoded.portnum`	`4` NODEINFO_APP	enum
`decoded.payload_length`	`77` bytes	size
`hop_limit`	`1` Remaining hops allowed	uint32
`hop_start`	`3` Initial hop limit	uint32
`hops_taken`	`2` Calculated: hop_start - hop_limit	derived
`rx_rssi`	`-128.0` dBm Signal strength at gateway	int32
`rx_snr`	`-17.75` dB Signal quality at gateway	float
`rx_time`	`1752074776` 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`	`82` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1752074777.6810327` 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 (2 hops)
⚠ RF signal metrics exposed (location inference possible)

MQTT-Specific Fields

Gateway ID:	`!b03c5588`
Signal Metrics:	RSSI: -128.0 dBm SNR: -17.75 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": "!a0cc1f30", "long_name": "MIR1-CLM-868", "short_name": "MIR1", "macaddr": "MO2gzB8w", "hw_model": "HELTEC_V3" }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!b03c5588", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2697731888, "to": 14133360, "id": 3936935156, "rx_time": 1752074776, "rx_snr": -17.75, "rx_rssi": -128, "hop_limit": 1, "hop_start": 3, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 82, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09216130636331663330120c4d4952312d434c4d2d3836381a044d495231220630eda0cc1f30282b38014220e83069382491b9939a37581c92f6bfcdb7fad41ca24e84ef5203fb9d4a1ed152", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!a0cc1f30", "long_name": "MIR1-CLM-868", "short_name": "MIR1", "macaddr": "MO2gzB8w", "hw_model": "HELTEC_V3", "role": "CLIENT_MUTE", "public_key": "6DBpOCSRuZOaN1gckva/zbf61ByiToTvUgP7nUoe0VI=", "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }

Raw Packet Data (77 bytes)

0a09216130636331663330120c4d4952312d434c4d2d3836381a044d495231220630eda0cc1f30282b38014220e83069382491b9939a37581c92f6bfcdb7fad41ca24e84ef5203fb9d4a1ed152

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 #3222245 Success

Packet Information

Payload Data

Decoded Data: