Packet #502242

Database ID:	502242
Mesh Packet ID:	`0xe794825b` Utilizado para correlação entre gateways
Tempo:	2025-10-23 10:13:42 UTC
Do Node:	PROMETHEUS-8🇵🇹 (Λ³)
Para o Node:	🪪 CS7ATL#004-CLM-8 🇵🇹 (ATL4)
Successo:	Processado
Protocolo:	TRACEROUTE_APP Port: 70

Gateway:	PROMETHEUS-8🇵🇹 (Λ³)
Canal:	LongFast
RSSI:	Unknown
SNR:	Unknown
Info Hop:	0/4 hops Início: 4, Limite: 4

Caminho da Rota:	CS7ATL-TIRES-GT-8 🇵🇹 (GT01) → Delta1#001-RL-8🇵🇹 (RL01) → Amadora_CL_868🇵🇹 (Casa)
Quantidade de Hops:	2 hops
Estado:	Complete
SNR para:	6.25 dB 5.0 dB -17.5 dB 0.0 dB

Hop	Do Node	Para Node	Distancia	SNR (dB)	Direção	Análise
1	PROMETHEUS-8🇵🇹 (Λ³)	CS7ATL-TIRES-GT-8 🇵🇹 (GT01)	1419.64 km	6.25 dB	Origem	Hops
2	CS7ATL-TIRES-GT-8 🇵🇹 (GT01)	Delta1#001-RL-8🇵🇹 (RL01)	2.39 km	5.0 dB	Reptido	Hops
3	Delta1#001-RL-8🇵🇹 (RL01)	Amadora_CL_868🇵🇹 (Casa)	Unknown	-17.5 dB	Destino	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:	29 bytes
Gateway:	!849a62a4
Channel:	LongFast
Payload Type:	TRACEROUTE_APP
Hop Count:	Unknown / 4

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`	`!849a62a4` Node ID format
`channel_id`	`LongFast` Default public channel
`packet`	`MeshPacket` (29 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`2224710308` Source node ID	uint32
`to`	`4128850158` Target node ID	uint32
`decoded.portnum`	`70` TRACEROUTE_APP	enum
`decoded.payload_length`	`29` bytes	size
`hop_limit`	`4` Remaining hops allowed	uint32
`hop_start`	`4` 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`	`1761210821` 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`	`164` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1761210822.288018` 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:	`!849a62a4`
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:	29 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "route_nodes": [ 2120513204, 3224916041, 2661454672 ], "snr_towards": [ 6.25, 5.0, -17.5, 0.0 ], "route_back": [], "snr_back": [], "route_node_names": { "2224710308": "PROMETHEUS-8🇵🇹 (Λ³)", "3224916041": "Delta1#001-RL-8🇵🇹 (RL01)", "4128850158": "🪪 CS7ATL#004-CLM-8 🇵🇹 (ATL4)", "2661454672": "Amadora_CL_868🇵🇹 (Casa)", "2120513204": "CS7ATL-TIRES-GT-8 🇵🇹 (GT01)" }, "traceroute_packet": { "packet_data": { "id": 502242, "timestamp": 1761210822.288018, "from_node_id": 2224710308, "to_node_id": 4128850158, "portnum": 70, "portnum_name": "TRACEROUTE_APP", "gateway_id": "!849a62a4", "channel_id": "LongFast", "mesh_packet_id": 3885269595, "rssi": 0, "snr": 0.0, "hop_limit": 4, "hop_start": 4, "payload_length": 29, "processed_successfully": 1, "raw_payload": "0a0cb476647e495038c05093a29e120d1914baffffffffffffffff0100", "via_mqtt": 0, "want_ack": 1, "priority": 70, "delayed": 0, "channel_index": null, "rx_time": 1761210821, "pki_encrypted": 0, "next_hop": 0, "relay_node": 164, "tx_after": 0, "timestamp_str": "2025-10-23 10:13:42", "hop_count": 0, "has_payload": true, "success": 1, "from_node_name": "PROMETHEUS-8🇵🇹 (Λ³)", "to_node_name": "🪪 CS7ATL#004-CLM-8 🇵🇹 (ATL4)", "gateway_name": "PROMETHEUS-8🇵🇹 (Λ³)", "gateway_location": { "node_id": 2224710308, "latitude": 37.750329, "longitude": -25.580345, "altitude": 7, "timestamp": 1761246184.4155476, "timestamp_str": "2025-10-23 20:03:04", "display_name": "PROMETHEUS-8🇵🇹", "long_name": "PROMETHEUS-8🇵🇹", "short_name": "Λ³", "hw_model": "HELTEC_WIRELESS_PAPER" } }, "resolve_names": true, "packet_id": 502242, "from_node_id": 2224710308, "to_node_id": 4128850158, "timestamp": 1761210822.288018, "gateway_id": "!849a62a4", "raw_payload": "0a0cb476647e495038c05093a29e120d1914baffffffffffffffff0100", "hop_limit": 4, "hop_start": 4, "from_node_name": "PROMETHEUS-8🇵🇹 (Λ³)", "to_node_name": "🪪 CS7ATL#004-CLM-8 🇵🇹 (ATL4)", "route_data": { "route_nodes": [ 2120513204, 3224916041, 2661454672 ], "snr_towards": [ 6.25, 5.0, -17.5, 0.0 ], "route_back": [], "snr_back": [] }, "forward_path": { "path_type": "forward", "node_ids": [ 2224710308, 2120513204, 3224916041, 2661454672 ], "node_names": [ "PROMETHEUS-8🇵🇹 (Λ³)", "CS7ATL-TIRES-GT-8 🇵🇹 (GT01)", "Delta1#001-RL-8🇵🇹 (RL01)", "Amadora_CL_868🇵🇹 (Casa)" ], "snr_values": [ 6.25, 5.0, -17.5, 0.0 ], "hops": [ { "hop_number": 1, "from_node_id": 2224710308, "to_node_id": 2120513204, "from_node_name": "PROMETHEUS-8🇵🇹 (Λ³)", "to_node_name": "CS7ATL-TIRES-GT-8 🇵🇹 (GT01)", "snr": 6.25, "direction": "forward", "is_target_hop": false, "distance_meters": 1419642.0385115016, "from_location_timestamp": 1761210780.4453447, "to_location_timestamp": 1761186833.8236887, "from_location_age_warning": "from 0.0h ago", "to_location_age_warning": "from 6.7h ago" }, { "hop_number": 2, "from_node_id": 2120513204, "to_node_id": 3224916041, "from_node_name": "CS7ATL-TIRES-GT-8 🇵🇹 (GT01)", "to_node_name": "Delta1#001-RL-8🇵🇹 (RL01)", "snr": 5.0, "direction": "forward", "is_target_hop": false, "distance_meters": 2390.2150639450665, "from_location_timestamp": 1761186833.8236887, "to_location_timestamp": 1761187102.836689, "from_location_age_warning": "from 6.7h ago", "to_location_age_warning": "from 6.6h ago" }, { "hop_number": 3, "from_node_id": 3224916041, "to_node_id": 2661454672, "from_node_name": "Delta1#001-RL-8🇵🇹 (RL01)", "to_node_name": "Amadora_CL_868🇵🇹 (Casa)", "snr": -17.5, "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": 3 }, "return_path": null, "actual_rf_path": { "path_type": "forward_rf", "node_ids": [ 4128850158, 2120513204, 3224916041, 2661454672, 2224710308 ], "node_names": [ "🪪 CS7ATL#004-CLM-8 🇵🇹 (ATL4)", "CS7ATL-TIRES-GT-8 🇵🇹 (GT01)", "Delta1#001-RL-8🇵🇹 (RL01)", "Amadora_CL_868🇵🇹 (Casa)", "PROMETHEUS-8🇵🇹 (Λ³)" ], "snr_values": [ 6.25, 5.0, -17.5, 0.0 ], "hops": [ { "hop_number": 1, "from_node_id": 4128850158, "to_node_id": 2120513204, "from_node_name": "🪪 CS7ATL#004-CLM-8 🇵🇹 (ATL4)", "to_node_name": "CS7ATL-TIRES-GT-8 🇵🇹 (GT01)", "snr": 6.25, "direction": "forward_rf", "is_target_hop": false, "distance_meters": 13.781407955731535, "from_location_timestamp": 1761209051.1886911, "to_location_timestamp": 1761186833.8236887, "from_location_age_warning": "from 0.5h ago", "to_location_age_warning": "from 6.7h ago" }, { "hop_number": 2, "from_node_id": 2120513204, "to_node_id": 3224916041, "from_node_name": "CS7ATL-TIRES-GT-8 🇵🇹 (GT01)", "to_node_name": "Delta1#001-RL-8🇵🇹 (RL01)", "snr": 5.0, "direction": "forward_rf", "is_target_hop": false, "distance_meters": 2390.2150639450665, "from_location_timestamp": 1761186833.8236887, "to_location_timestamp": 1761187102.836689, "from_location_age_warning": "from 6.7h ago", "to_location_age_warning": "from 6.6h ago" }, { "hop_number": 3, "from_node_id": 3224916041, "to_node_id": 2661454672, "from_node_name": "Delta1#001-RL-8🇵🇹 (RL01)", "to_node_name": "Amadora_CL_868🇵🇹 (Casa)", "snr": -17.5, "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": 4, "from_node_id": 2661454672, "to_node_id": 2224710308, "from_node_name": "Amadora_CL_868🇵🇹 (Casa)", "to_node_name": "PROMETHEUS-8🇵🇹 (Λ³)", "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": 4 } }, "has_return_path": false, "is_complete": true, "forward_path_display": "PROMETHEUS-8🇵🇹 (Λ³) → CS7ATL-TIRES-GT-8 🇵🇹 (GT01) → Delta1#001-RL-8🇵🇹 (RL01) → Amadora_CL_868🇵🇹 (Casa)", "return_path_display": null, "actual_rf_path_display": "🪪 CS7ATL#004-CLM-8 🇵🇹 (ATL4) → CS7ATL-TIRES-GT-8 🇵🇹 (GT01) → Delta1#001-RL-8🇵🇹 (RL01) → Amadora_CL_868🇵🇹 (Casa) → PROMETHEUS-8🇵🇹 (Λ³)", "forward_hops": [ { "hop_number": 1, "from_node_id": 2224710308, "to_node_id": 2120513204, "from_node_name": "PROMETHEUS-8🇵🇹 (Λ³)", "to_node_name": "CS7ATL-TIRES-GT-8 🇵🇹 (GT01)", "snr": 6.25, "direction": "forward", "is_target_hop": false, "distance_meters": 1419642.0385115016, "from_location_timestamp": 1761210780.4453447, "to_location_timestamp": 1761186833.8236887, "from_location_age_warning": "from 0.0h ago", "to_location_age_warning": "from 6.7h ago" }, { "hop_number": 2, "from_node_id": 2120513204, "to_node_id": 3224916041, "from_node_name": "CS7ATL-TIRES-GT-8 🇵🇹 (GT01)", "to_node_name": "Delta1#001-RL-8🇵🇹 (RL01)", "snr": 5.0, "direction": "forward", "is_target_hop": false, "distance_meters": 2390.2150639450665, "from_location_timestamp": 1761186833.8236887, "to_location_timestamp": 1761187102.836689, "from_location_age_warning": "from 6.7h ago", "to_location_age_warning": "from 6.6h ago" }, { "hop_number": 3, "from_node_id": 3224916041, "to_node_id": 2661454672, "from_node_name": "Delta1#001-RL-8🇵🇹 (RL01)", "to_node_name": "Amadora_CL_868🇵🇹 (Casa)", "snr": -17.5, "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": 1422032.2535754468, "total_return_distance": null }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!849a62a4", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2224710308, "to": 4128850158, "id": 3885269595, "rx_time": 1761210821, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 4, "hop_start": 4, "via_mqtt": 0, "want_ack": 1, "priority": 70, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 164, "tx_after": 0, "decoded": { "portnum": 70, "payload": "0a0cb476647e495038c05093a29e120d1914baffffffffffffffff0100", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "route": [ 2120513204, 3224916041, 2661454672 ], "snr_towards": [ 25, 20, -70, 0 ], "type": "protobuf", "portnum": "TRACEROUTE_APP", "message_class": "RouteDiscovery" } } } }

Raw Packet Data (29 bytes)

0a0cb476647e495038c05093a29e120d1914baffffffffffffffff0100

Hex Analysis:

Size:	29 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 #502242 Successo

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