Packet #796032

Database ID:	796032
Mesh Packet ID:	`0x58a93a67` Used for correlation across gateways
Timestamp:	2026-05-25 11:06:32 UTC
From Node:	greg-4c20 (4c20)
To Node:	Meshtastic 70bc (70bc)
Success:	Processed
Protocol:	NODEINFO_APP Port: 4

Gateway:	greg-4c20 (4c20)
Channel:	France
RSSI:	Unknown
SNR:	Unknown
Hop Info:	4/4 hops Start: 4, Limit: 0
Relay Node:	None

Long Name:	greg-4c20
Short Name:	4c20
Node ID:	!33664c20
MAC Address:	ZOgzZkwg
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:	38 bytes
Gateway:	!33664c20
Channel:	France
Payload Type:	NODEINFO_APP
Hop Count:	4 / 4

Privacy Summary

Exposure Level:
Direct Message

Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 2 more...

Exposure Risks:
⚠ Packet visible to MQTT subscribers
⚠ Multi-hop path visible (4 hops)

MQTT ServiceEnvelope Fields

Field	Value
`gateway_id`	`!33664c20` Node ID format
`channel_id`	`France`
`packet`	`MeshPacket` (38 bytes) Contains the actual mesh network packet

MeshPacket Fields

Canonical MeshPacket view reconstructed from stored protobuf bytes.

Field	Value	Type
`from`	`862342176` Source node ID	uint32
`to`	`530608316` Target node ID	uint32
`decoded.portnum`	`NODEINFO_APP` NODEINFO_APP	enum
`decoded.payload_length`	`38` bytes	size
`hop_limit`	Not set	uint32
`hop_start`	`4` Initial hop limit	uint32
`hops_taken`	`4` Calculated: hop_start - hop_limit	derived
`rx_rssi`	Not set	int32
`rx_snr`	Not set	float
`rx_time`	`1779707147` 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`	`63` 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: France
✓ Gateway node ID tracked

Exposure Risks:

⚠ Packet visible to MQTT subscribers
⚠ Multi-hop path visible (4 hops)

MQTT-Specific Fields

Gateway ID: !33664c20

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	NODEINFO_APP
Size:	38 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "id": "!33664c20", "long_name": "greg-4c20", "short_name": "4c20", "macaddr": "ZOgzZkwg", "hw_model": "HELTEC_V3" }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "packet": { "from": 862342176, "to": 530608316, "channel": 63, "decoded": { "portnum": "NODEINFO_APP", "payload": "CgkhMzM2NjRjMjASCWdyZWctNGMyMBoENGMyMCIGZOgzZkwgKCs=", "request_id": 29868259 }, "id": 1487485543, "rx_time": 1779707147, "priority": "RELIABLE", "hop_start": 4 }, "channel_id": "France", "gateway_id": "!33664c20" }, "mesh_packet": { "from": 862342176, "to": 530608316, "channel": 63, "decoded": { "portnum": "NODEINFO_APP", "payload": "CgkhMzM2NjRjMjASCWdyZWctNGMyMBoENGMyMCIGZOgzZkwgKCs=", "request_id": 29868259, "parsed_payload": { "id": "!33664c20", "long_name": "greg-4c20", "short_name": "4c20", "macaddr": "ZOgzZkwg", "hw_model": "HELTEC_V3", "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } }, "id": 1487485543, "rx_time": 1779707147, "priority": "RELIABLE", "hop_start": 4 } }

Raw Packet Data (38 bytes)

0a092133333636346332301209677265672d346332301a0434633230220664e833664c20282b

Hex Analysis:

Size:	38 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 #796032 Success

Packet Information

Payload Data

Decoded Data: