Packet #119991

Database ID:	119991
Mesh Packet ID:	`0x0bf4361b` Used for correlation across gateways
Timestamp:	2025-08-31 11:43:35 UTC
From Node:	Vratsa LG 🇧🇬🚧 (VRLG)
To Node:	Meshtastic e74e (Alex)
Success:	Processed
Protocol:	NODEINFO_APP Port: 4

Gateway:	Vratsa LG 🇧🇬🚧 (VRLG)
Channel:	Bulgaria
RSSI:	Unknown
SNR:	Unknown
Hop Info:	0/2 hops Start: 2, Limit: 2

Long Name:	Vratsa LG 🇧🇬🚧
Short Name:	VRLG
Node ID:	!f9b00ff8
MAC Address:	8CT5sA/4
Hardware:	TLORA_V2_1_1P6

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:	85 bytes
Gateway:	!f9b00ff8
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`	`!f9b00ff8` Node ID format
`channel_id`	`Bulgaria`
`packet`	`MeshPacket` (85 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`4189065208` Source node ID	uint32
`to`	`1091299150` Target node ID	uint32
`decoded.portnum`	`4` NODEINFO_APP	enum
`decoded.payload_length`	`85` 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`	`1756629814` Receive timestamp	fixed32
`via_mqtt`	False Direct LoRa transmission	bool
`want_ack`	False No ACK requested	bool
`priority`	`10` 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`	`248` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1756629815.3736885` 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:	`!f9b00ff8`
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:	85 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "id": "!f9b00ff8", "long_name": "Vratsa LG 🇧🇬🚧", "short_name": "VRLG", "macaddr": "8CT5sA/4", "hw_model": "TLORA_V2_1_1P6" }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!f9b00ff8", "channel_id": "Bulgaria", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 4189065208, "to": 1091299150, "id": 200554011, "rx_time": 1756629814, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 2, "hop_start": 2, "via_mqtt": 0, "want_ack": 0, "priority": 10, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 248, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a092166396230306666381216567261747361204c4720f09f87a7f09f87acf09f9aa71a0456524c472206f024f9b00ff828034220c935e2209399478e832908aff6dae0531362fe55f08a1faa5a076af97907523f", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!f9b00ff8", "long_name": "Vratsa LG 🇧🇬🚧", "short_name": "VRLG", "macaddr": "8CT5sA/4", "hw_model": "TLORA_V2_1_1P6", "public_key": "yTXiIJOZR46DKQiv9trgUxNi/lXwih+qWgdq+XkHUj8=", "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }

Raw Packet Data (85 bytes)

0a092166396230306666381216567261747361204c4720f09f87a7f09f87acf09f9aa71a0456524c472206f024f9b00ff828034220c935e2209399478e832908aff6dae0531362fe55f08a1faa5a076af97907523f

Hex Analysis:

Size:	85 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 #119991 Success

Packet Information

Payload Data

Decoded Data: