Packet #208489

Database ID:	208489
Mesh Packet ID:	`0x8cb7dd8c` Utilizado para correlação entre gateways
Tempo:	2025-10-06 09:17:35 UTC
Do Node:	CT7BPR-CL-8🇵🇹 (BPR3)
Para o Node:	CT7BPR2-GT-8🇵🇹 (BPR2)
Successo:	Processado
Protocolo:	TRACEROUTE_APP Port: 70

Gateway:	CT7BPR4-CL-8🇵🇹 (BPR4)
Canal:	LongFast
RSSI:	-2 dBm
SNR:	6.75 dBm
Info Hop:	0/2 hops Início: 2, Limite: 2

SNR para:	6.5 dB
Caminho percorrido:	CT7BPR4-CL-8🇵🇹 (BPR4)
SNR de:	6.75 dB

Hop	Do Node	Para Node	Distancia	SNR (dB)	Direção	Análise
1	CT7BPR2-GT-8🇵🇹 (BPR2)	CT7BPR-CL-8🇵🇹 (BPR3)	751 m	6.5 dB	Origem	Hops
Traceroute incompleto - Não alcançou o destino final

Hop	Do Node	Para Node	Distancia	SNR (dB)	Direção	Análise
1	CT7BPR-CL-8🇵🇹 (BPR3)	CT7BPR4-CL-8🇵🇹 (BPR4)	23 m	6.75 dB	Início do retorno:	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:	12 bytes
Gateway:	!433ce8a4
Channel:	LongFast
Payload Type:	TRACEROUTE_APP
Hop Count:	Unknown / 2

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
+ 1 more...

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!433ce8a4` Node ID format
`channel_id`	`LongFast` Default public channel
`packet`	`MeshPacket` (12 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`1128183148` Source node ID	uint32
`to`	`37873695` Target node ID	uint32
`decoded.portnum`	`70` TRACEROUTE_APP	enum
`decoded.payload_length`	`12` bytes	size
`hop_limit`	`2` Remaining hops allowed	uint32
`hop_start`	`2` Initial hop limit	uint32
`hops_taken`	`0` Calculated: hop_start - hop_limit	derived
`rx_rssi`	`-2.0` dBm Signal strength at gateway	int32
`rx_snr`	`6.75` dB Signal quality at gateway	float
`rx_time`	`1759735628` Receive timestamp	fixed32
`via_mqtt`	False Direct LoRa transmission	bool
`want_ack`	True Acknowledgment 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`	`108` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1759738655.48823` 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
⚠ RF signal metrics exposed (location inference possible)

MQTT-Specific Fields

Want ack:	`True`
Gateway ID:	`!433ce8a4`
Zero Hop Policy:	Enabled Direct gateway connection
Signal Metrics:	RSSI: -2.0 dBm SNR: 6.75 dB

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	TRACEROUTE_APP
Size:	12 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "route_nodes": [], "snr_towards": [ 6.5 ], "route_back": [ 1128065188 ], "snr_back": [ 6.75 ], "route_node_names": { "1128183148": "CT7BPR-CL-8🇵🇹 (BPR3)", "1128065188": "CT7BPR4-CL-8🇵🇹 (BPR4)", "37873695": "CT7BPR2-GT-8🇵🇹 (BPR2)" }, "traceroute_packet": { "packet_data": { "id": 208489, "timestamp": 1759738655.48823, "from_node_id": 1128183148, "to_node_id": 37873695, "portnum": 70, "portnum_name": "TRACEROUTE_APP", "gateway_id": "!433ce8a4", "channel_id": "LongFast", "mesh_packet_id": 2360860044, "rssi": -2, "snr": 6.75, "hop_limit": 2, "hop_start": 2, "payload_length": 12, "processed_successfully": 1, "raw_payload": "12011a1a04a4e83c4322011b", "via_mqtt": 0, "want_ack": 1, "priority": 0, "delayed": 0, "channel_index": null, "rx_time": 1759735628, "pki_encrypted": 0, "next_hop": 0, "relay_node": 108, "tx_after": 0, "timestamp_str": "2025-10-06 09:17:35", "hop_count": 0, "has_payload": true, "success": 1, "from_node_name": "CT7BPR-CL-8🇵🇹 (BPR3)", "to_node_name": "CT7BPR2-GT-8🇵🇹 (BPR2)", "gateway_name": "CT7BPR4-CL-8🇵🇹 (BPR4)", "gateway_location": { "node_id": 1128065188, "latitude": 37.0737152, "longitude": -8.3034112, "altitude": 19, "timestamp": 1761251953.2974439, "timestamp_str": "2025-10-23 21:39:13", "display_name": "CT7BPR4-CL-8🇵🇹", "long_name": "CT7BPR4-CL-8🇵🇹", "short_name": "BPR4", "hw_model": "HELTEC_V3" } }, "resolve_names": true, "packet_id": 208489, "from_node_id": 1128183148, "to_node_id": 37873695, "timestamp": 1759738655.48823, "gateway_id": "!433ce8a4", "raw_payload": "12011a1a04a4e83c4322011b", "hop_limit": 2, "hop_start": 2, "from_node_name": "CT7BPR-CL-8🇵🇹 (BPR3)", "to_node_name": "CT7BPR2-GT-8🇵🇹 (BPR2)", "route_data": { "route_nodes": [], "snr_towards": [ 6.5 ], "route_back": [ 1128065188 ], "snr_back": [ 6.75 ] }, "forward_path": { "path_type": "forward_with_return", "node_ids": [ 37873695, 1128183148 ], "node_names": [ "CT7BPR2-GT-8🇵🇹 (BPR2)", "CT7BPR-CL-8🇵🇹 (BPR3)" ], "snr_values": [ 6.5 ], "hops": [ { "hop_number": 1, "from_node_id": 37873695, "to_node_id": 1128183148, "from_node_name": "CT7BPR2-GT-8🇵🇹 (BPR2)", "to_node_name": "CT7BPR-CL-8🇵🇹 (BPR3)", "snr": 6.5, "direction": "forward", "is_target_hop": false, "distance_meters": 751.1082062478246, "from_location_timestamp": 1759738603.3854635, "to_location_timestamp": 1759736884.8367803, "from_location_age_warning": "from 0.0h ago", "to_location_age_warning": "from 0.5h ago" } ], "is_complete": false, "total_hops": 1 }, "return_path": { "path_type": "return", "node_ids": [ 1128183148, 1128065188 ], "node_names": [ "CT7BPR-CL-8🇵🇹 (BPR3)", "CT7BPR4-CL-8🇵🇹 (BPR4)" ], "snr_values": [ 6.75 ], "hops": [ { "hop_number": 1, "from_node_id": 1128183148, "to_node_id": 1128065188, "from_node_name": "CT7BPR-CL-8🇵🇹 (BPR3)", "to_node_name": "CT7BPR4-CL-8🇵🇹 (BPR4)", "snr": 6.75, "direction": "return", "is_target_hop": false, "distance_meters": 22.99926993581652, "from_location_timestamp": 1759736884.8367803, "to_location_timestamp": 1759735727.0081973, "from_location_age_warning": "from 0.5h ago", "to_location_age_warning": "from 0.8h ago" } ], "is_complete": false, "total_hops": 1 }, "actual_rf_path": { "path_type": "combined_rf", "node_ids": [ 37873695, 1128183148, 1128065188 ], "node_names": [ "CT7BPR2-GT-8🇵🇹 (BPR2)", "CT7BPR-CL-8🇵🇹 (BPR3)", "CT7BPR4-CL-8🇵🇹 (BPR4)" ], "snr_values": [ 6.5, 6.75 ], "hops": [ { "hop_number": 1, "from_node_id": 37873695, "to_node_id": 1128183148, "from_node_name": "CT7BPR2-GT-8🇵🇹 (BPR2)", "to_node_name": "CT7BPR-CL-8🇵🇹 (BPR3)", "snr": 6.5, "direction": "forward_rf", "is_target_hop": false, "distance_meters": 751.1082062478246, "from_location_timestamp": 1759738603.3854635, "to_location_timestamp": 1759736884.8367803, "from_location_age_warning": "from 0.0h ago", "to_location_age_warning": "from 0.5h ago" }, { "hop_number": 2, "from_node_id": 1128183148, "to_node_id": 1128065188, "from_node_name": "CT7BPR-CL-8🇵🇹 (BPR3)", "to_node_name": "CT7BPR4-CL-8🇵🇹 (BPR4)", "snr": 6.75, "direction": "return_rf", "is_target_hop": false, "distance_meters": 22.99926993581652, "from_location_timestamp": 1759736884.8367803, "to_location_timestamp": 1759735727.0081973, "from_location_age_warning": "from 0.5h ago", "to_location_age_warning": "from 0.8h ago" } ], "is_complete": false, "total_hops": 2 } }, "has_return_path": true, "is_complete": false, "forward_path_display": "CT7BPR2-GT-8🇵🇹 (BPR2) → CT7BPR-CL-8🇵🇹 (BPR3)", "return_path_display": "CT7BPR-CL-8🇵🇹 (BPR3) → CT7BPR4-CL-8🇵🇹 (BPR4)", "actual_rf_path_display": "CT7BPR2-GT-8🇵🇹 (BPR2) → CT7BPR-CL-8🇵🇹 (BPR3) → CT7BPR4-CL-8🇵🇹 (BPR4)", "forward_hops": [ { "hop_number": 1, "from_node_id": 37873695, "to_node_id": 1128183148, "from_node_name": "CT7BPR2-GT-8🇵🇹 (BPR2)", "to_node_name": "CT7BPR-CL-8🇵🇹 (BPR3)", "snr": 6.5, "direction": "forward", "is_target_hop": false, "distance_meters": 751.1082062478246, "from_location_timestamp": 1759738603.3854635, "to_location_timestamp": 1759736884.8367803, "from_location_age_warning": "from 0.0h ago", "to_location_age_warning": "from 0.5h ago" } ], "return_hops": [ { "hop_number": 1, "from_node_id": 1128183148, "to_node_id": 1128065188, "from_node_name": "CT7BPR-CL-8🇵🇹 (BPR3)", "to_node_name": "CT7BPR4-CL-8🇵🇹 (BPR4)", "snr": 6.75, "direction": "return", "is_target_hop": false, "distance_meters": 22.99926993581652, "from_location_timestamp": 1759736884.8367803, "to_location_timestamp": 1759735727.0081973, "from_location_age_warning": "from 0.5h ago", "to_location_age_warning": "from 0.8h ago" } ], "total_forward_distance": 751.1082062478246, "total_return_distance": 22.99926993581652 }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!433ce8a4", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1128183148, "to": 37873695, "id": 2360860044, "rx_time": 1759735628, "rx_snr": 6.75, "rx_rssi": -2, "hop_limit": 2, "hop_start": 2, "via_mqtt": 0, "want_ack": 1, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 108, "tx_after": 0, "decoded": { "portnum": 70, "payload": "12011a1a04a4e83c4322011b", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "snr_towards": [ 26 ], "route_back": [ 1128065188 ], "snr_back": [ 27 ], "type": "protobuf", "portnum": "TRACEROUTE_APP", "message_class": "RouteDiscovery" } } } }

Raw Packet Data (12 bytes)

12011a1a04a4e83c4322011b

Hex Analysis:

Size:	12 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 #208489 Successo

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