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SSH Auth Log Analyzer

Paste Linux auth.log or secure log lines to find brute-force attempts, password spraying and suspicious successful logins, grouped by source IP with a verdict for each.

FreeNo sign-upSOC
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SSH log analyzerSOC
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100% privateRuns in your browser, nothing uploaded
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Instant resultsNo sign-up, no install
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SSH log analyzer

๐Ÿ”’ Runs locally in your browser. Nothing you enter is uploaded.

How to use it

  1. Paste sshd log lines (or load the example).
  2. Tap Analyze.
  3. Investigate any 'brute force then success' result immediately.

Frequently asked questions

How do I stop SSH brute force?

Disable password authentication, use keys plus MFA, restrict source IPs and use fail2ban or equivalent.

Where are SSH logs?

/var/log/auth.log on Debian/Ubuntu, /var/log/secure on RHEL/CentOS, or journalctl -u ssh.

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