Packet #2454393 Success

ADMIN_APP packet from Vratsa Telegram Bot 🇧🇬🤖🛰️ (VRTB) to LZ4NY🙍🇧🇬 (MIRO)

3
Total Receptions
3
Unique Gateways
0
Hop Count
80
Payload Bytes
Packet Information
Database ID: 2454393
Mesh Packet ID: 0x8b4459eb
Used for correlation across gateways
Timestamp: 2026-03-21 22:49:10 UTC
From Node: Vratsa Telegram Bot 🇧🇬🤖🛰️ (VRTB)
To Node: LZ4NY🙍🇧🇬 (MIRO)
Success: Processed
Protocol: ADMIN_APP
Port: 6
Gateway: MeshMonitor VR (VRMM)
Channel: ShortFast
RSSI: -68 dBm
SNR: 12.5 dBm
Hop Info: 0/2 hops
Start: 2, Limit: 2
Relay Node: f8 VRTB
Last byte of the last hop that relayed this packet - Candidate source node(s) based on 0-hop direct receptions
Payload Data
Protocol: ADMIN_APP
Size: 80 bytes
Decoded: Yes
Decoded Data:
{
  "get_module_config_response": {
    "mqtt": {
      "address": "bgmesh.bulinfo.eu",
      "username": "meshdev",
      "password": "large4cats",
      "encryption_enabled": true,
      "root": "msh/Bulgaria",
      "map_reporting_enabled": true,
      "map_report_settings": {
        "publish_interval_secs": 3600,
        "position_precision": 16
      }
    }
  },
  "session_passkey": "Lc9GKQS0eNg=",
  "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:80 bytes
Gateway:!433c4b24
Channel:ShortFast
Payload Type:ADMIN_APP
Hop Count:Unknown / 2
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Acknowledgment requested
+ 4 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 !433c4b24
Node ID format
channel_id ShortFast
packet MeshPacket (80 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 600925432
Source node ID
uint32
to 1786817921
Target node ID
uint32
decoded.portnum 6
ADMIN_APP
enum
decoded.payload_length 80 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 -68.0 dBm
Signal strength at gateway
int32
rx_snr 12.50 dB
Signal quality at gateway
float
rx_time 1774133350
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 248
Relay node ID
uint32
tx_after Not set uint32
timestamp 1774133350.876708
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
  • ✓ Custom channel: ShortFast
  • ✓ 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
Want ack: True
Gateway ID: !433c4b24
Zero Hop Policy: Enabled
Direct gateway connection
Signal Metrics: RSSI: -68.0 dBm
SNR: 12.50 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:ADMIN_APP
Size:80 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "get_module_config_response": { "mqtt": { "address": "bgmesh.bulinfo.eu", "username": "meshdev", "password": "large4cats", "encryption_enabled": true, "root": "msh/Bulgaria", "map_reporting_enabled": true, "map_report_settings": { "publish_interval_secs": 3600, "position_precision": 16 } } }, "session_passkey": "Lc9GKQS0eNg=", "type": "protobuf", "portnum": "ADMIN_APP", "message_class": "AdminMessage" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!433c4b24", "channel_id": "ShortFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 600925432, "to": 1786817921, "id": 2336512491, "rx_time": 1774133350, "rx_snr": 12.5, "rx_rssi": -68, "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": 248, "tx_after": 0, "decoded": { "portnum": 6, "payload": "42430a41121162676d6573682e62756c696e666f2e65751a076d657368646576220a6c6172676534636174732801420c6d73682f42756c676172696150015a0508901c1010aa06082dcf462904b478d8", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "get_module_config_response": { "mqtt": { "address": "bgmesh.bulinfo.eu", "username": "meshdev", "password": "large4cats", "encryption_enabled": true, "root": "msh/Bulgaria", "map_reporting_enabled": true, "map_report_settings": { "publish_interval_secs": 3600, "position_precision": 16 } } }, "session_passkey": "Lc9GKQS0eNg=", "type": "protobuf", "portnum": "ADMIN_APP", "message_class": "AdminMessage" } } } }
Raw Packet Data (80 bytes)
42430a41121162676d6573682e62756c696e666f2e65751a076d657368646576220a6c6172676534636174732801420c6d73682f42756c676172696150015a0508901c1010aa06082dcf462904b478d8
Hex Analysis:
Size:80 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
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Map shows gateway locations that received this packet. Hop counts are displayed if available.
Gateway Time Offset RSSI SNR Hops Relay Channel Timestamp Actions
MeshMonitor VR (VRMM) Primary 0.000s
Reference
-68.0 dBm 12.50 dB 0 f8 VRTB ShortFast 2026-03-21 22:49:10 UTC Current
Vratsa HV4-2 🇧🇬 ba48 (VRH4) -0.168s
Before
-21.0 dBm 12.25 dB 0 f8 VRTB , VRWX ShortFast 2026-03-21 22:49:10 UTC View
Vratsa G1 🇧🇬🌐🛰️ (VRG1) +0.107s
After
-62.0 dBm 10.75 dB 0 f8 VRTB , VRWX ShortFast 2026-03-21 22:49:10 UTC View
3

Total Receptions

3

Unique Gateways