Packet #17044599

Database ID:	17044599
Mesh Packet ID:	`0x56d96694` Used for correlation across gateways
Timestamp:	2026-05-09 17:48:23 UTC
From Node:	Boris (SAO Begovay) (Bor)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	NODEINFO_APP Port: 4

Gateway:	Keyhost GW8 (KHS8)
Channel:	MediumFast
RSSI:	-118 dBm
SNR:	-15.5 dBm
Hop Info:	3/7 hops Start: 7, Limit: 4

Long Name:	Boris (SAO Begovay)
Short Name:	Bor
Node ID:	!043cbe58
MAC Address:	rKcEPL5Y
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:	86 bytes
Gateway:	!fa98ccfc
Channel:	MediumFast
Payload Type:	NODEINFO_APP
Hop Count:	3 / 7

Privacy Summary

Exposure Level:
Broadcast

Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 1 more...

Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 2 more...

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!fa98ccfc` Node ID format
`channel_id`	`MediumFast`
`packet`	`MeshPacket` (86 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`71089752` Source node ID	uint32
`to`	`4294967295` (Broadcast) Visible to all nodes	uint32
`decoded.portnum`	`4` NODEINFO_APP	enum
`decoded.payload_length`	`86` bytes	size
`hop_limit`	`4` Remaining hops allowed	uint32
`hop_start`	`7` Initial hop limit	uint32
`hops_taken`	`3` Calculated: hop_start - hop_limit	derived
`rx_rssi`	`-118.0` dBm Signal strength at gateway	int32
`rx_snr`	`-15.50` dB Signal quality at gateway	float
`rx_time`	`1778338103` 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`	`208` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1778338103.246002` Unix timestamp	uint32

MQTT Privacy & Exposure Analysis

Analysis of privacy features and exposure risks when packet is shared via MQTT

Exposure Level: Broadcast

Privacy Features:

✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
✓ Gateway node ID tracked

Exposure Risks:

⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
⚠ Multi-hop path visible (3 hops)
⚠ RF signal metrics exposed (location inference possible)

MQTT-Specific Fields

Gateway ID:	`!fa98ccfc`
Signal Metrics:	RSSI: -118.0 dBm SNR: -15.50 dB

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	NODEINFO_APP
Size:	86 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "id": "!043cbe58", "long_name": "Boris (SAO Begovay) ", "short_name": "Bor", "macaddr": "rKcEPL5Y", "hw_model": "HELTEC_V3" }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!fa98ccfc", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 71089752, "to": 4294967295, "id": 1457088148, "rx_time": 1778338103, "rx_snr": -15.5, "rx_rssi": -118, "hop_limit": 4, "hop_start": 7, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 208, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a092130343363626535381214426f726973202853414f204265676f76617929201a03426f722206aca7043cbe58282b380c4220c0f61b6175e509c832cf411fdd1da7428bc70d9549c5acd976a1040ef28237414800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!043cbe58", "long_name": "Boris (SAO Begovay) ", "short_name": "Bor", "macaddr": "rKcEPL5Y", "hw_model": "HELTEC_V3", "role": "CLIENT_BASE", "public_key": "wPYbYXXlCcgyz0Ef3R2nQovHDZVJxazZdqEEDvKCN0E=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }

Raw Packet Data (86 bytes)

0a092130343363626535381214426f726973202853414f204265676f76617929201a03426f722206aca7043cbe58282b380c4220c0f61b6175e509c832cf411fdd1da7428bc70d9549c5acd976a1040ef28237414800

Hex Analysis:

Size:	86 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 #17044599 Success

Packet Information

Payload Data

Decoded Data: