Packet #8505678

Database ID:	8505678
Mesh Packet ID:	`0x92a109d4` Used for correlation across gateways
Timestamp:	2025-08-30 09:00:23 UTC
From Node:	ADR2-CLM-868 📟 (ADR2)
To Node:	Pardini 02 (0d10)
Success:	Processed
Protocol:	NODEINFO_APP Port: 4

Gateway:	Pardini 02 (0d10)
Channel:	LongFast
RSSI:	-113 dBm
SNR:	-8.75 dBm
Hop Info:	1/5 hops Start: 5, Limit: 4

Long Name:	ADR2-CLM-868 📟
Short Name:	ADR2
Node ID:	!29b6730a
MAC Address:	27sptnMK
Hardware:	HELTEC_MESH_NODE_T114

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:	84 bytes
Gateway:	!9ea20d10
Channel:	LongFast
Payload Type:	NODEINFO_APP
Hop Count:	1 / 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
+ 2 more...

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!9ea20d10` Node ID format
`channel_id`	`LongFast` Default public channel
`packet`	`MeshPacket` (84 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`699822858` Source node ID	uint32
`to`	`2661420304` Target node ID	uint32
`decoded.portnum`	`4` NODEINFO_APP	enum
`decoded.payload_length`	`84` bytes	size
`hop_limit`	`4` Remaining hops allowed	uint32
`hop_start`	`5` Initial hop limit	uint32
`hops_taken`	`1` Calculated: hop_start - hop_limit	derived
`rx_rssi`	`-113.0` dBm Signal strength at gateway	int32
`rx_snr`	`-8.75` dB Signal quality at gateway	float
`rx_time`	`1756544421` 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`	`164` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1756544423.5777438` 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 (1 hops)
⚠ RF signal metrics exposed (location inference possible)

MQTT-Specific Fields

Gateway ID:	`!9ea20d10`
Signal Metrics:	RSSI: -113.0 dBm SNR: -8.75 dB

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	NODEINFO_APP
Size:	84 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "id": "!29b6730a", "long_name": "ADR2-CLM-868 📟", "short_name": "ADR2", "macaddr": "27sptnMK", "hw_model": "HELTEC_MESH_NODE_T114" }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!9ea20d10", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 699822858, "to": 2661420304, "id": 2460027348, "rx_time": 1756544421, "rx_snr": -8.75, "rx_rssi": -113, "hop_limit": 4, "hop_start": 5, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 164, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a092132396236373330611211414452322d434c4d2d38363820f09f939f1a04414452322206dbbb29b6730a284538014220d1f99cb5b274d2aec9a7a358a39f3a56ac5a9bde8edaa32768d271a5852a7e7d4800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!29b6730a", "long_name": "ADR2-CLM-868 📟", "short_name": "ADR2", "macaddr": "27sptnMK", "hw_model": "HELTEC_MESH_NODE_T114", "role": "CLIENT_MUTE", "public_key": "0fmctbJ00q7Jp6NYo586Vqxam96O2qMnaNJxpYUqfn0=", "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }

Raw Packet Data (84 bytes)

0a092132396236373330611211414452322d434c4d2d38363820f09f939f1a04414452322206dbbb29b6730a284538014220d1f99cb5b274d2aec9a7a358a39f3a56ac5a9bde8edaa32768d271a5852a7e7d4800

Hex Analysis:

Size:	84 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 #8505678 Success

Packet Information

Payload Data

Decoded Data: