Packet #471243

Database ID:	471243
Mesh Packet ID:	`0x4cf100c5` Utilizado para correlação entre gateways
Tempo:	2025-10-21 19:42:30 UTC
Do Node:	PSCL7cac-8 🇵🇹 (PSCL)
Para o Node:	TracerRound-CL-868 (TCRD)
Successo:	Processado
Protocolo:	TRACEROUTE_APP Port: 70

Gateway:	PSCL7cac-8 🇵🇹 (PSCL)
Canal:	LongFast
RSSI:	Unknown
SNR:	Unknown
Info Hop:	0/3 hops Início: 3, Limite: 3

Caminho da Rota:	!568a0b15
Quantidade de Hops:	0 hops
Estado:	Complete
SNR para:	5.0 dB 0.0 dB

Hop	Do Node	Para Node	Distancia	SNR (dB)	Direção	Análise
1	PSCL7cac-8 🇵🇹 (PSCL)	!568a0b15	Unknown	5.0 dB	Origem	Hops

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:	10 bytes
Gateway:	!433e7cac
Channel:	LongFast
Payload Type:	TRACEROUTE_APP
Hop Count:	Unknown / 3

Privacy Summary

Exposure Level:
Direct Message

Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Acknowledgment requested
+ 3 more...

Exposure Risks:
⚠ Default channel - no encryption
⚠ Packet visible to MQTT subscribers

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!433e7cac` Node ID format
`channel_id`	`LongFast` Default public channel
`packet`	`MeshPacket` (10 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`1128168620` Source node ID	uint32
`to`	`1901159916` Target node ID	uint32
`decoded.portnum`	`70` TRACEROUTE_APP	enum
`decoded.payload_length`	`10` bytes	size
`hop_limit`	`3` Remaining hops allowed	uint32
`hop_start`	`3` 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`	`1761072149` Receive timestamp	fixed32
`via_mqtt`	False Direct LoRa transmission	bool
`want_ack`	True Acknowledgment requested	bool
`priority`	`70` Packet priority level	enum
`delayed`	Not set	enum
`channel`	Not set	uint32
`pki_encrypted`	False Standard encryption	bool
`next_hop`	Not set	uint32
`relay_node`	`172` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1761072150.9990864` 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)
✓ Acknowledgment requested
✓ Targeted to specific node
✓ Gateway node ID tracked
✓ Zero-hop: direct from source to MQTT gateway

Exposure Risks:

⚠ Default channel - no encryption
⚠ Packet visible to MQTT subscribers

MQTT-Specific Fields

Want ack:	`True`
Gateway ID:	`!433e7cac`
Zero Hop Policy:	Enabled Direct gateway connection

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	TRACEROUTE_APP
Size:	10 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "route_nodes": [ 1451887381 ], "snr_towards": [ 5.0, 0.0 ], "route_back": [], "snr_back": [], "route_node_names": { "1128168620": "PSCL7cac-8 🇵🇹 (PSCL)", "1451887381": "!568a0b15", "1901159916": "TracerRound-CL-868 (TCRD)" }, "traceroute_packet": { "packet_data": { "id": 471243, "timestamp": 1761072150.9990864, "from_node_id": 1128168620, "to_node_id": 1901159916, "portnum": 70, "portnum_name": "TRACEROUTE_APP", "gateway_id": "!433e7cac", "channel_id": "LongFast", "mesh_packet_id": 1290862789, "rssi": 0, "snr": 0.0, "hop_limit": 3, "hop_start": 3, "payload_length": 10, "processed_successfully": 1, "raw_payload": "0a04150b8a5612021400", "via_mqtt": 0, "want_ack": 1, "priority": 70, "delayed": 0, "channel_index": null, "rx_time": 1761072149, "pki_encrypted": 0, "next_hop": 0, "relay_node": 172, "tx_after": 0, "timestamp_str": "2025-10-21 19:42:30", "hop_count": 0, "has_payload": true, "success": 1, "from_node_name": "PSCL7cac-8 🇵🇹 (PSCL)", "to_node_name": "TracerRound-CL-868 (TCRD)", "gateway_name": "PSCL7cac-8 🇵🇹 (PSCL)", "gateway_location": { "node_id": 1128168620, "latitude": 38.944768, "longitude": -8.8571904, "altitude": 17, "timestamp": 1761088183.4697502, "timestamp_str": "2025-10-22 00:09:43", "display_name": "PSCL7cac-8 🇵🇹", "long_name": "PSCL7cac-8 🇵🇹", "short_name": "PSCL", "hw_model": "HELTEC_V3" } }, "resolve_names": true, "packet_id": 471243, "from_node_id": 1128168620, "to_node_id": 1901159916, "timestamp": 1761072150.9990864, "gateway_id": "!433e7cac", "raw_payload": "0a04150b8a5612021400", "hop_limit": 3, "hop_start": 3, "from_node_name": "PSCL7cac-8 🇵🇹 (PSCL)", "to_node_name": "TracerRound-CL-868 (TCRD)", "route_data": { "route_nodes": [ 1451887381 ], "snr_towards": [ 5.0, 0.0 ], "route_back": [], "snr_back": [] }, "forward_path": { "path_type": "forward", "node_ids": [ 1128168620, 1451887381 ], "node_names": [ "PSCL7cac-8 🇵🇹 (PSCL)", "!568a0b15" ], "snr_values": [ 5.0, 0.0 ], "hops": [ { "hop_number": 1, "from_node_id": 1128168620, "to_node_id": 1451887381, "from_node_name": "PSCL7cac-8 🇵🇹 (PSCL)", "to_node_name": "!568a0b15", "snr": 5.0, "direction": "forward", "is_target_hop": false, "distance_meters": null, "from_location_timestamp": null, "to_location_timestamp": null, "from_location_age_warning": "No location data available", "to_location_age_warning": "No location data available" } ], "is_complete": false, "total_hops": 1 }, "return_path": null, "actual_rf_path": { "path_type": "forward_rf", "node_ids": [ 1901159916, 1451887381, 1128168620 ], "node_names": [ "TracerRound-CL-868 (TCRD)", "!568a0b15", "PSCL7cac-8 🇵🇹 (PSCL)" ], "snr_values": [ 5.0, 0.0 ], "hops": [ { "hop_number": 1, "from_node_id": 1901159916, "to_node_id": 1451887381, "from_node_name": "TracerRound-CL-868 (TCRD)", "to_node_name": "!568a0b15", "snr": 5.0, "direction": "forward_rf", "is_target_hop": false, "distance_meters": null, "from_location_timestamp": null, "to_location_timestamp": null, "from_location_age_warning": "No location data available", "to_location_age_warning": "No location data available" }, { "hop_number": 2, "from_node_id": 1451887381, "to_node_id": 1128168620, "from_node_name": "!568a0b15", "to_node_name": "PSCL7cac-8 🇵🇹 (PSCL)", "snr": 0.0, "direction": "forward_rf", "is_target_hop": false, "distance_meters": null, "from_location_timestamp": null, "to_location_timestamp": null, "from_location_age_warning": "No location data available", "to_location_age_warning": "No location data available" } ], "is_complete": true, "total_hops": 2 } }, "has_return_path": false, "is_complete": true, "forward_path_display": "PSCL7cac-8 🇵🇹 (PSCL) → !568a0b15", "return_path_display": null, "actual_rf_path_display": "TracerRound-CL-868 (TCRD) → !568a0b15 → PSCL7cac-8 🇵🇹 (PSCL)", "forward_hops": [ { "hop_number": 1, "from_node_id": 1128168620, "to_node_id": 1451887381, "from_node_name": "PSCL7cac-8 🇵🇹 (PSCL)", "to_node_name": "!568a0b15", "snr": 5.0, "direction": "forward", "is_target_hop": false, "distance_meters": null, "from_location_timestamp": null, "to_location_timestamp": null, "from_location_age_warning": "No location data available", "to_location_age_warning": "No location data available" } ], "return_hops": [], "total_forward_distance": 0, "total_return_distance": null }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!433e7cac", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1128168620, "to": 1901159916, "id": 1290862789, "rx_time": 1761072149, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 3, "hop_start": 3, "via_mqtt": 0, "want_ack": 1, "priority": 70, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 172, "tx_after": 0, "decoded": { "portnum": 70, "payload": "0a04150b8a5612021400", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "route": [ 1451887381 ], "snr_towards": [ 20, 0 ], "type": "protobuf", "portnum": "TRACEROUTE_APP", "message_class": "RouteDiscovery" } } } }

Raw Packet Data (10 bytes)

0a04150b8a5612021400

Hex Analysis:

Size:	10 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.

Pacote #471243 Successo

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