Packet #381159

Database ID:	381159
Mesh Packet ID:	`0x161942ba` Used for correlation across gateways
Timestamp:	2026-02-09 15:53:34 UTC
From Node:	gik2 Aleks (gik2)
To Node:	DriveRostov_V4 (DR2)
Success:	Processed
Protocol:	NODEINFO_APP Port: 4

Gateway:	q00_Repeater (q00)
Channel:	LongFast
RSSI:	-97 dBm
SNR:	-1.0 dBm
Hop Info:	6/7 hops Start: 7, Limit: 1

Long Name:	gik2 Александровка
Short Name:	gik2
Node ID:	!04085444
MAC Address:	rKcECFRE
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:	97 bytes
Gateway:	!8488730c
Channel:	LongFast
Payload Type:	NODEINFO_APP
Hop Count:	6 / 7

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`	`!8488730c` Node ID format
`channel_id`	`LongFast` Default public channel
`packet`	`MeshPacket` (97 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`67654724` Source node ID	uint32
`to`	`1770324120` Target node ID	uint32
`decoded.portnum`	`4` NODEINFO_APP	enum
`decoded.payload_length`	`97` bytes	size
`hop_limit`	`1` Remaining hops allowed	uint32
`hop_start`	`7` Initial hop limit	uint32
`hops_taken`	`6` Calculated: hop_start - hop_limit	derived
`rx_rssi`	`-97.0` dBm Signal strength at gateway	int32
`rx_snr`	`-1.00` dB Signal quality at gateway	float
`rx_time`	`1770641612` 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`	`204` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1770641614.2830818` 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 (6 hops)
⚠ RF signal metrics exposed (location inference possible)

MQTT-Specific Fields

Gateway ID:	`!8488730c`
Signal Metrics:	RSSI: -97.0 dBm SNR: -1.00 dB

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	NODEINFO_APP
Size:	97 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "id": "!04085444", "long_name": " gik2 Александровка", "short_name": "gik2", "macaddr": "rKcECFRE", "hw_model": "HELTEC_V3" }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!8488730c", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 67654724, "to": 1770324120, "id": 370754234, "rx_time": 1770641612, "rx_snr": -1.0, "rx_rssi": -97, "hop_limit": 1, "hop_start": 7, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 204, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a0921303430383534343412202067696b3220d090d0bbd0b5d0bad181d0b0d0bdd0b4d180d0bed0b2d0bad0b01a0467696b322206aca704085444282b42205bbec6f007a5754f05128a63829cf0ad5ff8f8ed599c3614bb8e0c41026662474800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!04085444", "long_name": " gik2 Александровка", "short_name": "gik2", "macaddr": "rKcECFRE", "hw_model": "HELTEC_V3", "public_key": "W77G8AeldU8FEopjgpzwrV/4+O1ZnDYUu44MQQJmYkc=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }

Raw Packet Data (97 bytes)

0a0921303430383534343412202067696b3220d090d0bbd0b5d0bad181d0b0d0bdd0b4d180d0bed0b2d0bad0b01a0467696b322206aca704085444282b42205bbec6f007a5754f05128a63829cf0ad5ff8f8ed599c3614bb8e0c41026662474800

Hex Analysis:

Size:	97 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 #381159 Success

Packet Information

Payload Data

Decoded Data: