Packet #17691151 Success

NODEINFO_APP packet from DIR Rooftop (DIR) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	17691151
Mesh Packet ID:	`0xe44a3d86` Used for correlation across gateways
Timestamp:	2026-03-27 03:59:42 UTC
From Node:	DIR Rooftop (DIR)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	NODEINFO_APP Port: 4

Gateway:	DIR Rooftop (DIR)
Channel:	LongFast
RSSI:	Unknown
SNR:	Unknown
Hop Info:	0/4 hops Start: 4, Limit: 4
Relay Node:	`3c` DIR Last byte of the last hop that relayed this packet - Candidate source node(s) based on 0-hop direct receptions

Payload Data

Protocol: NODEINFO_APP

Size: 77 bytes

Decoded: Yes

Decoded Data:

Long Name:	DIR Rooftop
Short Name:	DIR
Node ID:	!6985083c
MAC Address:	kHBphQg8
Hardware:	HELTEC_V4

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:	77 bytes
Gateway:	!6985083c
Channel:	LongFast
Payload Type:	NODEINFO_APP
Hop Count:	Unknown / 4

Privacy Summary

Exposure Level:
Broadcast

Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Gateway node ID tracked
+ 1 more...

Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
+ 1 more...

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!6985083c` Node ID format
`channel_id`	`LongFast` Default public channel
`packet`	`MeshPacket` (77 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`1770326076` Source node ID	uint32
`to`	`4294967295` (Broadcast) Visible to all nodes	uint32
`decoded.portnum`	`4` NODEINFO_APP	enum
`decoded.payload_length`	`77` 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`	`1774583983` Receive timestamp	fixed32
`via_mqtt`	False Direct LoRa transmission	bool
`want_ack`	False No ACK requested	bool
`priority`	`10` 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`	`60` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1774583982.695842` Unix timestamp	uint32

MQTT Privacy & Exposure Analysis

Analysis of privacy features and exposure risks when packet is shared via MQTT

Exposure Level: Broadcast

Privacy Features:

✓ Direct LoRa transmission (not via MQTT)
✓ Gateway node ID tracked
✓ Zero-hop: direct from source to MQTT gateway

Exposure Risks:

⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
⚠ Packet visible to MQTT subscribers

MQTT-Specific Fields

Gateway ID:	`!6985083c`
Zero Hop Policy:	Enabled Direct gateway connection

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	NODEINFO_APP
Size:	77 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "id": "!6985083c", "long_name": "DIR Rooftop", "short_name": "DIR", "macaddr": "kHBphQg8", "hw_model": "HELTEC_V4" }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!6985083c", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1770326076, "to": 4294967295, "id": 3830070662, "rx_time": 1774583983, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 4, "hop_start": 4, "via_mqtt": false, "want_ack": false, "priority": 10, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 60, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09213639383530383363120b44495220526f6f66746f701a03444952220690706985083c286e38024220524d4d844571275343e1dab92a977e02f3fecabd90e210b16e8ddb120115bd374800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!6985083c", "long_name": "DIR Rooftop", "short_name": "DIR", "macaddr": "kHBphQg8", "hw_model": "HELTEC_V4", "role": "ROUTER", "public_key": "Uk1NhEVxJ1ND4dq5Kpd+AvP+yr2Q4hCxbo3bEgEVvTc=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }

Raw Packet Data (77 bytes)

0a09213639383530383363120b44495220526f6f66746f701a03444952220690706985083c286e38024220524d4d844571275343e1dab92a977e02f3fecabd90e210b16e8ddb120115bd374800

Hex Analysis:

Size:	77 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.

All Receptions

All gateways that received this packet
Correlation: Using Mesh Packet ID

Reception Locations

Loading reception map...

Map shows gateway locations that received this packet. Hop counts are displayed if available.

Gateway	Time Offset	RSSI	SNR	Relay	Channel	Timestamp	Actions
DIR Rooftop (DIR) Primary	0.000s Reference	Unknown	Unknown	`3c` DIR	LongFast	2026-03-27 03:59:42 UTC	Current
DIR Rooftop (DIR)	-0.223s Before	Unknown	Unknown	`3c` DIR	LongFast	2026-03-27 03:59:42 UTC	View
DIR Rooftop (DIR)	-0.191s Before	Unknown	Unknown	`3c` DIR	LongFast	2026-03-27 03:59:42 UTC	View
DIR Rooftop (DIR)	-0.164s Before	Unknown	Unknown	`3c` DIR	LongFast	2026-03-27 03:59:42 UTC	View
DIR Rooftop (DIR)	-0.135s Before	Unknown	Unknown	`3c` DIR	LongFast	2026-03-27 03:59:42 UTC	View
DIR Rooftop (DIR)	-0.114s Before	Unknown	Unknown	`3c` DIR	LongFast	2026-03-27 03:59:42 UTC	View
DIR Rooftop (DIR)	-0.092s Before	Unknown	Unknown	`3c` DIR	LongFast	2026-03-27 03:59:42 UTC	View
DIR Rooftop (DIR)	-0.070s Before	Unknown	Unknown	`3c` DIR	LongFast	2026-03-27 03:59:42 UTC	View
DIR Rooftop (DIR)	-0.049s Before	Unknown	Unknown	`3c` DIR	LongFast	2026-03-27 03:59:42 UTC	View
DIR Rooftop (DIR)	-0.025s Before	Unknown	Unknown	`3c` DIR	LongFast	2026-03-27 03:59:42 UTC	View
DIR Rooftop (DIR)	+0.023s After	Unknown	Unknown	`3c` DIR	LongFast	2026-03-27 03:59:42 UTC	View
DIR Rooftop (DIR)	+0.047s After	Unknown	Unknown	`3c` DIR	MediumFast	2026-03-27 03:59:42 UTC	View
DIR Rooftop (DIR)	+0.068s After	Unknown	Unknown	`3c` DIR	MediumFast	2026-03-27 03:59:42 UTC	View
DIR Rooftop (DIR)	+0.090s After	Unknown	Unknown	`3c` DIR	MediumFast	2026-03-27 03:59:42 UTC	View
DIR Rooftop (DIR)	+0.111s After	Unknown	Unknown	`3c` DIR	MediumFast	2026-03-27 03:59:42 UTC	View
DIR Rooftop (DIR)	+0.132s After	Unknown	Unknown	`3c` DIR	MediumFast	2026-03-27 03:59:42 UTC	View
DIR Rooftop (DIR)	+0.156s After	Unknown	Unknown	`3c` DIR	MediumFast	2026-03-27 03:59:42 UTC	View
DIR Rooftop (DIR)	+0.181s After	Unknown	Unknown	`3c` DIR	MediumFast	2026-03-27 03:59:42 UTC	View
DIR Rooftop (DIR)	+0.204s After	Unknown	Unknown	`3c` DIR	MediumFast	2026-03-27 03:59:42 UTC	View
DIR Rooftop (DIR)	+0.228s After	Unknown	Unknown	`3c` DIR	MediumFast	2026-03-27 03:59:42 UTC	View
DIR Rooftop (DIR)	+0.249s After	Unknown	Unknown	`3c` DIR	MediumFast	2026-03-27 03:59:42 UTC	View
DIR Rooftop (DIR)	+0.271s After	Unknown	Unknown	`3c` DIR	MediumFast	2026-03-27 03:59:42 UTC	View
DIR Rooftop (DIR)	+0.292s After	Unknown	Unknown	`3c` DIR	ShortFast	2026-03-27 03:59:42 UTC	View
DIR Rooftop (DIR)	+0.313s After	Unknown	Unknown	`3c` DIR	ShortFast	2026-03-27 03:59:43 UTC	View
DIR Rooftop (DIR)	+0.337s After	Unknown	Unknown	`3c` DIR	ShortFast	2026-03-27 03:59:43 UTC	View
DIR Rooftop (DIR)	+0.361s After	Unknown	Unknown	`3c` DIR	ShortFast	2026-03-27 03:59:43 UTC	View
DIR Rooftop (DIR)	+0.384s After	Unknown	Unknown	`3c` DIR	ShortFast	2026-03-27 03:59:43 UTC	View
DIR Rooftop (DIR)	+0.408s After	Unknown	Unknown	`3c` DIR	ShortFast	2026-03-27 03:59:43 UTC	View
DIR Rooftop (DIR)	+0.430s After	Unknown	Unknown	`3c` DIR	ShortFast	2026-03-27 03:59:43 UTC	View
DIR Rooftop (DIR)	+0.451s After	Unknown	Unknown	`3c` DIR	ShortFast	2026-03-27 03:59:43 UTC	View
DIR Rooftop (DIR)	+0.472s After	Unknown	Unknown	`3c` DIR	ShortFast	2026-03-27 03:59:43 UTC	View
DIR Rooftop (DIR)	+0.493s After	Unknown	Unknown	`3c` DIR	ShortFast	2026-03-27 03:59:43 UTC	View
DIR Rooftop (DIR)	+0.517s After	Unknown	Unknown	`3c` DIR	ShortFast	2026-03-27 03:59:43 UTC	View
DIR Rooftop (DIR)	+0.540s After	Unknown	Unknown	`3c` DIR	ShortTurbo	2026-03-27 03:59:43 UTC	View
DIR Rooftop (DIR)	+0.569s After	Unknown	Unknown	`3c` DIR	ShortTurbo	2026-03-27 03:59:43 UTC	View
DIR Rooftop (DIR)	+0.592s After	Unknown	Unknown	`3c` DIR	ShortTurbo	2026-03-27 03:59:43 UTC	View
DIR Rooftop (DIR)	+0.614s After	Unknown	Unknown	`3c` DIR	ShortTurbo	2026-03-27 03:59:43 UTC	View
DIR Rooftop (DIR)	+0.645s After	Unknown	Unknown	`3c` DIR	ShortTurbo	2026-03-27 03:59:43 UTC	View
DIR Rooftop (DIR)	+0.667s After	Unknown	Unknown	`3c` DIR	ShortTurbo	2026-03-27 03:59:43 UTC	View
DIR Rooftop (DIR)	+0.689s After	Unknown	Unknown	`3c` DIR	ShortTurbo	2026-03-27 03:59:43 UTC	View
DIR Rooftop (DIR)	+0.713s After	Unknown	Unknown	`3c` DIR	ShortTurbo	2026-03-27 03:59:43 UTC	View
DIR Rooftop (DIR)	+0.737s After	Unknown	Unknown	`3c` DIR	ShortTurbo	2026-03-27 03:59:43 UTC	View
DIR Rooftop (DIR)	+0.761s After	Unknown	Unknown	`3c` DIR	ShortTurbo	2026-03-27 03:59:43 UTC	View
DIR Rooftop (DIR)	+0.784s After	Unknown	Unknown	`3c` DIR	ShortTurbo	2026-03-27 03:59:43 UTC	View
DIR Rooftop (DIR)	+0.806s After	Unknown	Unknown	`3c` DIR	LongFast	2026-03-27 03:59:43 UTC	View

45

Total Receptions

1

Unique Gateways