Packet #618151 Success

ADMIN_APP packet from GW61-D9B61🗼GW-8 (GW61) to LWSA-08027-CLM-8 (LWSA)

1
Total Receptions
1
Unique Gateways
0
Hop Count
26
Payload Bytes
Packet Information
Database ID: 618151
Mesh Packet ID: 0x7f87b8a1
Used for correlation across gateways
Timestamp: 2025-06-12 11:50:35 UTC
From Node: GW61-D9B61🗼GW-8 (GW61)
To Node: LWSA-08027-CLM-8 (LWSA)
Success: Processed
Protocol: ADMIN_APP
Port: 6
Gateway: LWSA-08027-CLM-8 (LWSA)
Channel: PKI
RSSI: -22 dBm
SNR: 5.75 dBm
Hop Info: 0/2 hops
Start: 2, Limit: 2
Payload Data
Protocol: ADMIN_APP
Size: 26 bytes
Decoded: Yes
Decoded Data:
{
  "get_config_response": {
    "device": {
      "node_info_broadcast_secs": 43200,
      "tzdef": "CET-1"
    }
  },
  "session_passkey": "Vraa6mTq/iQ=",
  "type": "protobuf",
  "portnum": "ADMIN_APP",
  "message_class": "AdminMessage"
}
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:26 bytes
Gateway:!90965c38
Channel:PKI
Payload Type:ADMIN_APP
Hop Count:Unknown / 2
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ PKI encrypted packet
+ 5 more...
Exposure Risks:
⚠ Packet visible to MQTT subscribers
⚠ RF signal metrics exposed (location inference possible)
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !90965c38
Node ID format
channel_id PKI
packet MeshPacket (26 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 3133244595
Source node ID 		uint32
to 2425773112
Target node ID 		uint32
decoded.portnum 6
ADMIN_APP 		enum
decoded.payload_length 26 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 -22.0 dBm
Signal strength at gateway 		int32
rx_snr 5.75 dB
Signal quality at gateway 		float
rx_time 1749729033
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 True
PKI encryption used 		bool
next_hop 56
Next hop node ID 		uint32
relay_node 179
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1749729035.2618966
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)
  • ✓ PKI encrypted packet
  • ✓ Acknowledgment requested
  • ✓ Targeted to specific node
  • ✓ Custom channel: PKI
  • ✓ Gateway node ID tracked
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Pki encrypted: True
Want ack: True
Gateway ID: !90965c38
Zero Hop Policy: Enabled
Direct gateway connection
Signal Metrics: RSSI: -22.0 dBm
SNR: 5.75 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:ADMIN_APP
Size:26 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "get_config_response": { "device": { "node_info_broadcast_secs": 43200, "tzdef": "CET-1" } }, "session_passkey": "Vraa6mTq/iQ=", "type": "protobuf", "portnum": "ADMIN_APP", "message_class": "AdminMessage" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!90965c38", "channel_id": "PKI", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3133244595, "to": 2425773112, "id": 2139601057, "rx_time": 1749729033, "rx_snr": 5.75, "rx_rssi": -22, "hop_limit": 2, "hop_start": 2, "via_mqtt": 0, "want_ack": 1, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 1, "next_hop": 56, "relay_node": 179, "tx_after": 0, "decoded": { "portnum": 6, "payload": "320d0a0b38c0d1025a054345542d31aa060856b69aea64eafe24", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "get_config_response": { "device": { "node_info_broadcast_secs": 43200, "tzdef": "CET-1" } }, "session_passkey": "Vraa6mTq/iQ=", "type": "protobuf", "portnum": "ADMIN_APP", "message_class": "AdminMessage" } } } }
Raw Packet Data (26 bytes)
320d0a0b38c0d1025a054345542d31aa060856b69aea64eafe24
Hex Analysis:
Size:26 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
Gateway Time Offset RSSI SNR Hops Channel Timestamp Actions
LWSA-08027-CLM-8 (LWSA) Primary 0.000s
Reference 		-22.0 dBm 5.75 dB 0 PKI 2025-06-12 11:50:35 Current
No other receptions found within Âą2 seconds
1

Total Receptions

1

Unique Gateways