Packet #972157

Database ID:	972157
Mesh Packet ID:	`0xe4d94624` Used for correlation across gateways
Timestamp:	2026-06-08 04:34:37 UTC
From Node:	Justa ccc0 (ccc0)
To Node:	Sito (S1t0)
Success:	Processed
Protocol:	NODEINFO_APP Port: 4

Gateway:	Base-433 f744 (f744)
Channel:	LongFast
RSSI:	Unknown
SNR:	Unknown
Hop Info:	1/3 hops Start: 3, Limit: 2
Relay Node:	`d8` 95d8 Last byte of the last hop that relayed this packet - Candidate source node(s) based on 0-hop direct receptions

Long Name:	Justa ccc0
Short Name:	ccc0
Node ID:	!849accc0
MAC Address:	sIGEmszA
Hardware:	HELTEC_V3

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:	!bbacf744
Channel:	LongFast
Payload Type:	NODEINFO_APP
Hop Count:	1 / 3

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`	`!bbacf744` Node ID format
`channel_id`	`LongFast` Default public channel
`packet`	`MeshPacket` (75 bytes) Contains the actual mesh network packet

MeshPacket Fields

Canonical MeshPacket view reconstructed from stored protobuf bytes.

Field	Value	Type
`from`	`2224737472` Source node ID	uint32
`to`	`3330363993` Target node ID	uint32
`decoded.portnum`	`NODEINFO_APP` NODEINFO_APP	enum
`decoded.payload_length`	`75` bytes	size
`hop_limit`	`2` Remaining hops allowed	uint32
`hop_start`	`3` Initial hop limit	uint32
`hops_taken`	`1` Calculated: hop_start - hop_limit	derived
`rx_rssi`	Not set	int32
`rx_snr`	Not set	float
`rx_time`	`1780893276` Receive timestamp	fixed32
`via_mqtt`	False Direct LoRa transmission	bool
`want_ack`	False No ACK requested	bool
`priority`	`RELIABLE` 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`	`216` 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 (1 hops)

MQTT-Specific Fields

Gateway ID: !bbacf744

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": "!849accc0", "long_name": "Justa ccc0", "short_name": "ccc0", "macaddr": "sIGEmszA", "hw_model": "HELTEC_V3" }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "packet": { "from": 2224737472, "to": 3330363993, "channel": 8, "decoded": { "portnum": "NODEINFO_APP", "payload": "CgkhODQ5YWNjYzASCkp1c3RhIGNjYzAaBGNjYzAiBrCBhJrMwCgrQiB5+gv/FCii/n6F3QoP1WabEzgqkxnlmL3qwEbzBtQ1DEgA", "want_response": true, "bitfield": 3 }, "id": 3839444516, "rx_time": 1780893276, "hop_limit": 2, "priority": "RELIABLE", "hop_start": 3, "relay_node": 216, "transport_mechanism": "TRANSPORT_MULTICAST_UDP" }, "channel_id": "LongFast", "gateway_id": "!bbacf744" }, "mesh_packet": { "from": 2224737472, "to": 3330363993, "channel": 8, "decoded": { "portnum": "NODEINFO_APP", "payload": "CgkhODQ5YWNjYzASCkp1c3RhIGNjYzAaBGNjYzAiBrCBhJrMwCgrQiB5+gv/FCii/n6F3QoP1WabEzgqkxnlmL3qwEbzBtQ1DEgA", "want_response": true, "bitfield": 3, "parsed_payload": { "id": "!849accc0", "long_name": "Justa ccc0", "short_name": "ccc0", "macaddr": "sIGEmszA", "hw_model": "HELTEC_V3", "public_key": "efoL/xQoov5+hd0KD9VmmxM4KpMZ5Zi96sBG8wbUNQw=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } }, "id": 3839444516, "rx_time": 1780893276, "hop_limit": 2, "priority": "RELIABLE", "hop_start": 3, "relay_node": 216, "transport_mechanism": "TRANSPORT_MULTICAST_UDP" } }

Raw Packet Data (75 bytes)

0a09213834396163636330120a4a7573746120636363301a04636363302206b081849accc0282b422079fa0bff1428a2fe7e85dd0a0fd5669b13382a9319e598bdeac046f306d4350c4800

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 #972157 Success

Packet Information

Payload Data

Decoded Data: