⛏️OLLDA – Oracle Listener Log Discovery and Analyzer

Oracle Listener Log Intelligence

Discover Every Connection
to Your Oracle Database

Upload your listener.log and instantly map all inbound connections — by IP, program, host, user & service — with interactive charts and exportable reports.

Drop listener log files here
or browse for files  ·  multiple files supported (RAC)
Supports .log, .txt, .gz, .tar.gz  ·  Up to 500 MB (compressed)  ·  SCAN + node listeners
Personal project: This tool was built as a personal initiative and is not affiliated with, endorsed by, or related to any employer, client, or organisation (including Oracle Corp). Use at your own discretion.
Privacy notice: The uploaded files are processed entirely in memory during your session and are never written to permanent storage. All data is discarded automatically when the session ends.
IP & Host Mapping
Program & User Breakdown
Hourly / Daily Activity
Excel Export
500 MB files supported

Parsing File

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listener.log

Overview
Total Connections
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Successful
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Failures
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Unique IPs
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Programs
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Services
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Client Hosts
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OS Users
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Quick Views
Custom Group By
✓ Client IP
✓ Program
✓ Client Host
✓ OS User
✓ Service
✓ Instance
✓ Server Type
✓ Date
✓ Hour
✓ Action
✓ Status Code
Select a grouping above to load data.

Connection Map

Each client IP as % of total connections — click for full details

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