Troubleshooting

3 matching entries across Articles, TIL and Projects.

Articles

8 Aug 2026Troubleshooting Active Directory Account Lockouts with PowerShell

Use events 4740 and 4625 together to move from 'the account keeps locking' to a timeline that identifies the source device, logon type and stale credential.

Today I Learned

8 Aug 2026Testing HTTP Redirects with curl.exe

Use a HEAD request to see the HTTP status and Location header without downloading the complete page.

8 Aug 2026Zero Trust Troubleshooting: Find the Failed Control Plane First

Before creating an emergency bypass, work out whether the failure is identity, posture, policy, DNS, tunnel or origin.

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