Packet #1453956

Database ID:	1453956
Mesh Packet ID:	`0x219b628e` Used for correlation across gateways
Timestamp:	2026-03-19 13:31:01 UTC
From Node:	m-base-x (mb-x)
To Node:	Lionpi0265 (0265)
Success:	Processed
Protocol:	NODEINFO_APP Port: 4

Gateway:	m-base-x (mb-x)
Channel:	Bulgaria
RSSI:	Unknown
SNR:	Unknown
Hop Info:	0/1 hops Start: 1, Limit: 1
Relay Node:	`ff` Last byte of the last hop that relayed this packet

Long Name:	m-base-x
Short Name:	mb-x
Node ID:	!1de9dc00
MAC Address:	ELQd6dwA
Hardware:	SEEED_XIAO_S3

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:	75 bytes
Gateway:	!1de9dc00
Channel:	Bulgaria
Payload Type:	NODEINFO_APP
Hop Count:	0 / 1

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

Field	Value
`gateway_id`	`!1de9dc00` Node ID format
`channel_id`	`Bulgaria`
`packet`	`MeshPacket` (75 bytes) Contains the actual mesh network packet

MeshPacket Fields

Canonical MeshPacket view reconstructed from stored protobuf bytes.

Field	Value	Type
`from`	`501865472` Source node ID	uint32
`to`	`3580559973` Target node ID	uint32
`decoded.portnum`	`NODEINFO_APP` NODEINFO_APP	enum
`decoded.payload_length`	`75` bytes	size
`hop_limit`	`1` Remaining hops allowed	uint32
`hop_start`	`1` 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`	`1773927059` 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`	`37` Channel index	uint32
`pki_encrypted`	False Standard encryption	bool
`next_hop`	Not set	uint32
`relay_node`	`255` 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
✓ 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:	`!1de9dc00`
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:	75 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "id": "!1de9dc00", "long_name": "m-base-x", "short_name": "mb-x", "macaddr": "ELQd6dwA", "hw_model": "SEEED_XIAO_S3" }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "packet": { "from": 501865472, "to": 3580559973, "channel": 37, "decoded": { "portnum": "NODEINFO_APP", "payload": "CgkhMWRlOWRjMDASCG0tYmFzZS14GgRtYi14IgYQtB3p3AAoUTgBQiDEIq/flQcucmlqj+1+dLGhTVg0QwUjEPdDjcuN1Uf5DEgA", "want_response": true, "bitfield": 3 }, "id": 563831438, "rx_time": 1773927059, "hop_limit": 1, "priority": "BACKGROUND", "hop_start": 1, "relay_node": 255 }, "channel_id": "Bulgaria", "gateway_id": "!1de9dc00" }, "mesh_packet": { "from": 501865472, "to": 3580559973, "channel": 37, "decoded": { "portnum": "NODEINFO_APP", "payload": "CgkhMWRlOWRjMDASCG0tYmFzZS14GgRtYi14IgYQtB3p3AAoUTgBQiDEIq/flQcucmlqj+1+dLGhTVg0QwUjEPdDjcuN1Uf5DEgA", "want_response": true, "bitfield": 3, "parsed_payload": { "id": "!1de9dc00", "long_name": "m-base-x", "short_name": "mb-x", "macaddr": "ELQd6dwA", "hw_model": "SEEED_XIAO_S3", "role": "CLIENT_MUTE", "public_key": "xCKv35UHLnJpao/tfnSxoU1YNEMFIxD3Q43LjdVH+Qw=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } }, "id": 563831438, "rx_time": 1773927059, "hop_limit": 1, "priority": "BACKGROUND", "hop_start": 1, "relay_node": 255 } }

Raw Packet Data (75 bytes)

0a0921316465396463303012086d2d626173652d781a046d622d78220610b41de9dc00285138014220c422afdf95072e72696a8fed7e74b1a14d583443052310f7438dcb8dd547f90c4800

Hex Analysis:

Size:	75 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 #1453956 Success

Packet Information

Payload Data

Decoded Data: