Packet #149414

Database ID:	149414
Mesh Packet ID:	`0x07a007fe` Used for correlation across gateways
Timestamp:	2025-09-06 01:25:32 UTC
From Node:	TC2-BBS📬💻🇧🇬 (TBBS)
To Node:	WSLv3-7 🚧 (WSL7)
Success:	Processed
Protocol:	NODEINFO_APP Port: 4

Gateway:	TC2-BBS📬💻🇧🇬 (TBBS)
Channel:	Bulgaria
RSSI:	Unknown
SNR:	Unknown
Hop Info:	0/2 hops Start: 2, Limit: 2

Long Name:	TC2-BBS📬💻🇧🇬
Short Name:	TBBS
Node ID:	!00d94df4
MAC Address:	jE8A2U30
Hardware:	HELTEC_V2_0

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:	90 bytes
Gateway:	!00d94df4
Channel:	Bulgaria
Payload Type:	NODEINFO_APP
Hop Count:	Unknown / 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

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!00d94df4` Node ID format
`channel_id`	`Bulgaria`
`packet`	`MeshPacket` (90 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`14241268` Source node ID	uint32
`to`	`1128131680` Target node ID	uint32
`decoded.portnum`	`4` NODEINFO_APP	enum
`decoded.payload_length`	`90` 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`	`1757111131` Receive timestamp	fixed32
`via_mqtt`	False Direct LoRa transmission	bool
`want_ack`	False No ACK requested	bool
`priority`	`70` Packet priority level	enum
`delayed`	Not set	enum
`channel`	Not set	uint32
`pki_encrypted`	False Standard encryption	bool
`next_hop`	Not set	uint32
`relay_node`	`244` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1757111132.0162642` 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
✓ 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:	`!00d94df4`
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:	90 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "id": "!00d94df4", "long_name": "TC2-BBS📬💻🇧🇬", "short_name": "TBBS", "macaddr": "jE8A2U30", "hw_model": "HELTEC_V2_0" }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!00d94df4", "channel_id": "Bulgaria", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 14241268, "to": 1128131680, "id": 127928318, "rx_time": 1757111131, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 2, "hop_start": 2, "via_mqtt": 0, "want_ack": 0, "priority": 70, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 244, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a0921303064393464663412175443322d424253f09f93acf09f92bbf09f87a7f09f87ac1a045442425322068c4f00d94df4280538014220a620b4be904d6c59821ea8302e186b72a6f664ca09bb192e6f19f9b98a3d27524800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!00d94df4", "long_name": "TC2-BBS📬💻🇧🇬", "short_name": "TBBS", "macaddr": "jE8A2U30", "hw_model": "HELTEC_V2_0", "role": "CLIENT_MUTE", "public_key": "piC0vpBNbFmCHqgwLhhrcqb2ZMoJuxkubxn5uYo9J1I=", "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }

Raw Packet Data (90 bytes)

0a0921303064393464663412175443322d424253f09f93acf09f92bbf09f87a7f09f87ac1a045442425322068c4f00d94df4280538014220a620b4be904d6c59821ea8302e186b72a6f664ca09bb192e6f19f9b98a3d27524800

Hex Analysis:

Size:	90 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 #149414 Success

Packet Information

Payload Data

Decoded Data: