Packet #728495

Database ID:	728495
Mesh Packet ID:	`0xfa28a2e9` Used for correlation across gateways
Timestamp:	2026-04-05 10:05:22 UTC
From Node:	Meshtastic 094c (094c)
To Node:	Padshtuber (pad)
Success:	Processed
Protocol:	NODEINFO_APP Port: 4

Gateway:	Meshtastic 094c (094c)
Channel:	LongFast
RSSI:	Unknown
SNR:	Unknown
Hop Info:	5/5 hops Start: 5, Limit: 0
Relay Node:	`4c` be4c Last byte of the last hop that relayed this packet - Candidate source node(s) based on 0-hop direct receptions

Long Name:	Meshtastic 094c
Short Name:	094c
Node ID:	!216a094c
MAC Address:	iFchaglM
Hardware:	DIY_V1

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:	80 bytes
Gateway:	!216a094c
Channel:	LongFast
Payload Type:	NODEINFO_APP
Hop Count:	5 / 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
+ 1 more...

MQTT ServiceEnvelope Fields

Field	Value
`gateway_id`	`!216a094c` Node ID format
`channel_id`	`LongFast` Default public channel
`packet`	`MeshPacket` (80 bytes) Contains the actual mesh network packet

MeshPacket Fields

Canonical MeshPacket view reconstructed from stored protobuf bytes.

Field	Value	Type
`from`	`560597324` Source node ID	uint32
`to`	`2896874040` Target node ID	uint32
`decoded.portnum`	`NODEINFO_APP` NODEINFO_APP	enum
`decoded.payload_length`	`80` bytes	size
`hop_limit`	Not set	uint32
`hop_start`	`5` Initial hop limit	uint32
`hops_taken`	`5` Calculated: hop_start - hop_limit	derived
`rx_rssi`	Not set	int32
`rx_snr`	Not set	float
`rx_time`	`1775383515` 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`	`8` Channel index	uint32
`pki_encrypted`	False Standard encryption	bool
`next_hop`	Not set	uint32
`relay_node`	`76` 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
✓ Gateway node ID tracked

Exposure Risks:

⚠ Default channel - no encryption
⚠ Packet visible to MQTT subscribers
⚠ Multi-hop path visible (5 hops)

MQTT-Specific Fields

Gateway ID: !216a094c

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	NODEINFO_APP
Size:	80 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "id": "!216a094c", "long_name": "Meshtastic 094c", "short_name": "094c", "macaddr": "iFchaglM", "hw_model": "DIY_V1" }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "packet": { "from": 560597324, "to": 2896874040, "channel": 8, "decoded": { "portnum": "NODEINFO_APP", "payload": "CgkhMjE2YTA5NGMSD01lc2h0YXN0aWMgMDk0YxoEMDk0YyIGiFchaglMKCdCIDyIeGt14cmumyNkPHRnPwceWJe49GomiUDeD5AACdgTSAA=", "want_response": true, "bitfield": 3 }, "id": 4196967145, "rx_time": 1775383515, "priority": "BACKGROUND", "hop_start": 5, "relay_node": 76 }, "channel_id": "LongFast", "gateway_id": "!216a094c" }, "mesh_packet": { "from": 560597324, "to": 2896874040, "channel": 8, "decoded": { "portnum": "NODEINFO_APP", "payload": "CgkhMjE2YTA5NGMSD01lc2h0YXN0aWMgMDk0YxoEMDk0YyIGiFchaglMKCdCIDyIeGt14cmumyNkPHRnPwceWJe49GomiUDeD5AACdgTSAA=", "want_response": true, "bitfield": 3, "parsed_payload": { "id": "!216a094c", "long_name": "Meshtastic 094c", "short_name": "094c", "macaddr": "iFchaglM", "hw_model": "DIY_V1", "public_key": "PIh4a3Xhya6bI2Q8dGc/Bx5Yl7j0aiaJQN4PkAAJ2BM=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } }, "id": 4196967145, "rx_time": 1775383515, "priority": "BACKGROUND", "hop_start": 5, "relay_node": 76 } }

Raw Packet Data (80 bytes)

0a09213231366130393463120f4d65736874617374696320303934631a043039346322068857216a094c282742203c88786b75e1c9ae9b23643c74673f071e5897b8f46a268940de0f900009d8134800

Hex Analysis:

Size:	80 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 #728495 Success

Packet Information

Payload Data

Decoded Data: