Packet #193656

Database ID:	193656
Mesh Packet ID:	`0x9b47082b` Used for correlation across gateways
Timestamp:	2025-11-27 16:30:56 UTC
From Node:	Meshtastic 8e28 (8e28)
To Node:	Mish - Mesh (Mish)
Success:	Processed
Protocol:	NODEINFO_APP Port: 4

Gateway:	Meshtastic 8e28 (8e28)
Channel:	Bulgaria
RSSI:	Unknown
SNR:	Unknown
Hop Info:	0/2 hops Start: 2, Limit: 2
Relay Node:	None

Long Name:	Meshtastic 8e28
Short Name:	8e28
Node ID:	!06f68e28
MAC Address:	kBUG9o4o
Hardware:	TLORA_V2_1_1P6

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:	78 bytes
Gateway:	!06f68e28
Channel:	Bulgaria
Payload Type:	NODEINFO_APP
Hop Count:	0 / 2

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

Field	Value
`gateway_id`	`!06f68e28` Node ID format
`channel_id`	`Bulgaria`
`packet`	`MeshPacket` (78 bytes) Contains the actual mesh network packet

MeshPacket Fields

Canonical MeshPacket view reconstructed from stored protobuf bytes.

Field	Value	Type
`from`	`116821544` Source node ID	uint32
`to`	`14235840` Target node ID	uint32
`decoded.portnum`	`NODEINFO_APP` NODEINFO_APP	enum
`decoded.payload_length`	`78` bytes	size
`hop_limit`	`2` Remaining hops allowed	uint32
`hop_start`	`2` 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`	`1764261056` Receive timestamp	fixed32
`via_mqtt`	False Direct LoRa transmission	bool
`want_ack`	False No ACK requested	bool
`priority`	`RELIABLE` Packet priority level	enum
`delayed`	Not set	enum
`channel`	`37` Channel index	uint32
`pki_encrypted`	False Standard encryption	bool
`next_hop`	Not set	uint32
`relay_node`	Not set	uint32
`tx_after`	Not set	uint32
`timestamp`	Not set	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: Bulgaria
✓ Gateway node ID tracked
✓ Zero-hop: direct from source to MQTT gateway

Exposure Risks:

⚠ Packet visible to MQTT subscribers

MQTT-Specific Fields

Gateway ID:	`!06f68e28`
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:	78 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "id": "!06f68e28", "long_name": "Meshtastic 8e28", "short_name": "8e28", "macaddr": "kBUG9o4o", "hw_model": "TLORA_V2_1_1P6" }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "packet": { "from": 116821544, "to": 14235840, "channel": 37, "decoded": { "portnum": "NODEINFO_APP", "payload": "CgkhMDZmNjhlMjgSD01lc2h0YXN0aWMgOGUyOBoEOGUyOCIGkBUG9o4oKANCIG2puEr2twanVBb1U7rd4Vvwh0hkkV9kyNKCt/UTkZkY", "request_id": 1367167331, "bitfield": 1 }, "id": 2605123627, "rx_time": 1764261056, "hop_limit": 2, "priority": "RELIABLE", "hop_start": 2 }, "channel_id": "Bulgaria", "gateway_id": "!06f68e28" }, "mesh_packet": { "from": 116821544, "to": 14235840, "channel": 37, "decoded": { "portnum": "NODEINFO_APP", "payload": "CgkhMDZmNjhlMjgSD01lc2h0YXN0aWMgOGUyOBoEOGUyOCIGkBUG9o4oKANCIG2puEr2twanVBb1U7rd4Vvwh0hkkV9kyNKCt/UTkZkY", "request_id": 1367167331, "bitfield": 1, "parsed_payload": { "id": "!06f68e28", "long_name": "Meshtastic 8e28", "short_name": "8e28", "macaddr": "kBUG9o4o", "hw_model": "TLORA_V2_1_1P6", "public_key": "bam4Sva3BqdUFvVTut3hW/CHSGSRX2TI0oK39RORmRg=", "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } }, "id": 2605123627, "rx_time": 1764261056, "hop_limit": 2, "priority": "RELIABLE", "hop_start": 2 } }

Raw Packet Data (78 bytes)

0a09213036663638653238120f4d65736874617374696320386532381a04386532382206901506f68e28280342206da9b84af6b706a75416f553badde15bf0874864915f64c8d282b7f513919918

Hex Analysis:

Size:	78 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 #193656 Success

Packet Information

Payload Data

Decoded Data: