Packet #3347528

Database ID:	3347528
Mesh Packet ID:	`0xcc26dd68` Used for correlation across gateways
Timestamp:	2025-07-10 21:53:25 UTC
From Node:	!2f913e34 (3e34)
To Node:	🌴ParadiSe 🌴 (pRdS)
Success:	Failed
Protocol:	NODEINFO_APP Port: 4

Gateway:	S2_Node (S2)
Channel:	LongFast
RSSI:	-128 dBm
SNR:	-17.0 dBm
Hop Info:	3/5 hops Start: 5, Limit: 2

Long Name:	Karman’s Personal T-Deck-Pro 📟
Short Name:	KPTP
Node ID:	!2f913e34
MAC Address:	KDcvkT40
Hardware:	102

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:	102 bytes
Gateway:	!fa68b1d0
Channel:	LongFast
Payload Type:	NODEINFO_APP
Hop Count:	3 / 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
+ 2 more...

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!fa68b1d0` Node ID format
`channel_id`	`LongFast` Default public channel
`packet`	`MeshPacket` (102 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`798047796` Source node ID	uint32
`to`	`2925639544` Target node ID	uint32
`decoded.portnum`	`4` NODEINFO_APP	enum
`decoded.payload_length`	`102` bytes	size
`hop_limit`	`2` Remaining hops allowed	uint32
`hop_start`	`5` Initial hop limit	uint32
`hops_taken`	`3` Calculated: hop_start - hop_limit	derived
`rx_rssi`	`-128.0` dBm Signal strength at gateway	int32
`rx_snr`	`-17.00` dB Signal quality at gateway	float
`rx_time`	`1752184402` 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`	`55` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1752184405.3643777` 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 (3 hops)
⚠ RF signal metrics exposed (location inference possible)

MQTT-Specific Fields

Gateway ID:	`!fa68b1d0`
Signal Metrics:	RSSI: -128.0 dBm SNR: -17.00 dB

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	NODEINFO_APP
Size:	102 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "id": "!2f913e34", "long_name": "Karman’s Personal T-Deck-Pro 📟", "short_name": "KPTP", "macaddr": "KDcvkT40", "hw_model": 102 }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!fa68b1d0", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 798047796, "to": 2925639544, "id": 3425099112, "rx_time": 1752184402, "rx_snr": -17.0, "rx_rssi": -128, "hop_limit": 2, "hop_start": 5, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 55, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a0921326639313365333412234b61726d616ee280997320506572736f6e616c20542d4465636b2d50726f20f09f939f1a044b505450220628372f913e34286638014220486e020473cfd1becd070aef2b2a9c39beea334f9b356ad15700c52188b9db0f4800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!2f913e34", "long_name": "Karman’s Personal T-Deck-Pro 📟", "short_name": "KPTP", "macaddr": "KDcvkT40", "hw_model": 102, "role": "CLIENT_MUTE", "public_key": "SG4CBHPP0b7NBwrvKyqcOb7qM0+bNWrRVwDFIYi52w8=", "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }

Raw Packet Data (102 bytes)

0a0921326639313365333412234b61726d616ee280997320506572736f6e616c20542d4465636b2d50726f20f09f939f1a044b505450220628372f913e34286638014220486e020473cfd1becd070aef2b2a9c39beea334f9b356ad15700c52188b9db0f4800

Hex Analysis:

Size:	102 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 #3347528 Failed

Packet Information

Payload Data

Decoded Data: