Packet #731251

Database ID:	731251
Mesh Packet ID:	`0xc21c3542` Used for correlation across gateways
Timestamp:	2026-04-05 18:21:03 UTC
From Node:	agregat 868 (68b4)
To Node:	GunWest (Pepe)
Success:	Processed
Protocol:	NODEINFO_APP Port: 4

Gateway:	agregat 868 (68b4)
Channel:	LongFast
RSSI:	Unknown
SNR:	Unknown
Hop Info:	5/5 hops Start: 5, Limit: 0
Relay Node:	`b4` Last byte of the last hop that relayed this packet

Long Name:	agregat 868
Short Name:	68b4
Node ID:	!215968b4
MAC Address:	iFchWWi0
Hardware:	DIY_V1

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:	76 bytes
Gateway:	!215968b4
Channel:	LongFast
Payload Type:	NODEINFO_APP
Hop Count:	5 / 5

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
+ 1 more...

MQTT ServiceEnvelope Fields

Field	Value
`gateway_id`	`!215968b4` Node ID format
`channel_id`	`LongFast` Default public channel
`packet`	`MeshPacket` (76 bytes) Contains the actual mesh network packet

MeshPacket Fields

Canonical MeshPacket view reconstructed from stored protobuf bytes.

Field	Value	Type
`from`	`559507636` Source node ID	uint32
`to`	`3148360304` Target node ID	uint32
`decoded.portnum`	`NODEINFO_APP` NODEINFO_APP	enum
`decoded.payload_length`	`76` bytes	size
`hop_limit`	Not set	uint32
`hop_start`	`5` Initial hop limit	uint32
`hops_taken`	`5` Calculated: hop_start - hop_limit	derived
`rx_rssi`	Not set	int32
`rx_snr`	Not set	float
`rx_time`	`1775413256` Receive timestamp	fixed32
`via_mqtt`	False Direct LoRa transmission	bool
`want_ack`	False No ACK requested	bool
`priority`	`BACKGROUND` Packet priority level	enum
`delayed`	Not set	enum
`channel`	`8` Channel index	uint32
`pki_encrypted`	False Standard encryption	bool
`next_hop`	Not set	uint32
`relay_node`	`180` Relay node ID	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
✓ Gateway node ID tracked

Exposure Risks:

⚠ Default channel - no encryption
⚠ Packet visible to MQTT subscribers
⚠ Multi-hop path visible (5 hops)

MQTT-Specific Fields

Gateway ID: !215968b4

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	NODEINFO_APP
Size:	76 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "id": "!215968b4", "long_name": "agregat 868", "short_name": "68b4", "macaddr": "iFchWWi0", "hw_model": "DIY_V1" }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "packet": { "from": 559507636, "to": 3148360304, "channel": 8, "decoded": { "portnum": "NODEINFO_APP", "payload": "CgkhMjE1OTY4YjQSC2FncmVnYXQgODY4GgQ2OGI0IgaIVyFZaLQoJ0IgPCpWFhMCtYLp3k6TVfZLKo32vr1XcqiyBd+nwwQdfElIAA==", "want_response": true, "bitfield": 3 }, "id": 3256628546, "rx_time": 1775413256, "priority": "BACKGROUND", "hop_start": 5, "relay_node": 180 }, "channel_id": "LongFast", "gateway_id": "!215968b4" }, "mesh_packet": { "from": 559507636, "to": 3148360304, "channel": 8, "decoded": { "portnum": "NODEINFO_APP", "payload": "CgkhMjE1OTY4YjQSC2FncmVnYXQgODY4GgQ2OGI0IgaIVyFZaLQoJ0IgPCpWFhMCtYLp3k6TVfZLKo32vr1XcqiyBd+nwwQdfElIAA==", "want_response": true, "bitfield": 3, "parsed_payload": { "id": "!215968b4", "long_name": "agregat 868", "short_name": "68b4", "macaddr": "iFchWWi0", "hw_model": "DIY_V1", "public_key": "PCpWFhMCtYLp3k6TVfZLKo32vr1XcqiyBd+nwwQdfEk=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } }, "id": 3256628546, "rx_time": 1775413256, "priority": "BACKGROUND", "hop_start": 5, "relay_node": 180 } }

Raw Packet Data (76 bytes)

0a09213231353936386234120b61677265676174203836381a043638623422068857215968b4282742203c2a56161302b582e9de4e9355f64b2a8df6bebd5772a8b205dfa7c3041d7c494800

Hex Analysis:

Size:	76 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 #731251 Success

Packet Information

Payload Data

Decoded Data: