Packet #11957879

Database ID:	11957879
Mesh Packet ID:	`0x1a79890c` Used for correlation across gateways
Timestamp:	2026-03-11 23:12:17 UTC
From Node:	East Enthusiast Sh. (ees5)
To Node:	Meshtastic 48c4 (48c4)
Success:	Processed
Protocol:	NODEINFO_APP Port: 4

Gateway:	patch866 (pth8)
Channel:	LongFast
RSSI:	-66 dBm
SNR:	3.25 dBm
Hop Info:	2/3 hops Start: 3, Limit: 1

Long Name:	East Enthusiast Sh.
Short Name:	ees5
Node ID:	!aca97494
MAC Address:	2IWsqXSU
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:	85 bytes
Gateway:	!08ad1914
Channel:	LongFast
Payload Type:	NODEINFO_APP
Hop Count:	2 / 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
+ 2 more...

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!08ad1914` Node ID format
`channel_id`	`LongFast` Default public channel
`packet`	`MeshPacket` (85 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`2896786580` Source node ID	uint32
`to`	`4055648452` Target node ID	uint32
`decoded.portnum`	`4` NODEINFO_APP	enum
`decoded.payload_length`	`85` bytes	size
`hop_limit`	`1` Remaining hops allowed	uint32
`hop_start`	`3` Initial hop limit	uint32
`hops_taken`	`2` Calculated: hop_start - hop_limit	derived
`rx_rssi`	`-66.0` dBm Signal strength at gateway	int32
`rx_snr`	`3.25` dB Signal quality at gateway	float
`rx_time`	`1773259936` Receive timestamp	fixed32
`via_mqtt`	False Direct LoRa transmission	bool
`want_ack`	False No ACK requested	bool
`priority`	Not set	enum
`delayed`	Not set	enum
`channel`	Not set	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`	`1773259937.5905852` 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
✓ Gateway node ID tracked

Exposure Risks:

⚠ Default channel - no encryption
⚠ Packet visible to MQTT subscribers
⚠ Multi-hop path visible (2 hops)
⚠ RF signal metrics exposed (location inference possible)

MQTT-Specific Fields

Gateway ID:	`!08ad1914`
Signal Metrics:	RSSI: -66.0 dBm SNR: 3.25 dB

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": "!aca97494", "long_name": "East Enthusiast Sh. ", "short_name": "ees5", "macaddr": "2IWsqXSU", "hw_model": "HELTEC_V3" }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!08ad1914", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2896786580, "to": 4055648452, "id": 444172556, "rx_time": 1773259936, "rx_snr": 3.25, "rx_rssi": -66, "hop_limit": 1, "hop_start": 3, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 216, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a0921616361393734393412144561737420456e74687573696173742053682e201a04656573352206d885aca97494282b4220c37434317dc035f37a99b7f016ae46d0ae8c5a9f653424a0ee8f333604d4a9584800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!aca97494", "long_name": "East Enthusiast Sh. ", "short_name": "ees5", "macaddr": "2IWsqXSU", "hw_model": "HELTEC_V3", "public_key": "w3Q0MX3ANfN6mbfwFq5G0K6MWp9lNCSg7o8zNgTUqVg=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }

Raw Packet Data (85 bytes)

0a0921616361393734393412144561737420456e74687573696173742053682e201a04656573352206d885aca97494282b4220c37434317dc035f37a99b7f016ae46d0ae8c5a9f653424a0ee8f333604d4a9584800

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 #11957879 Success

Packet Information

Payload Data

Decoded Data: