b140d4d82a
- 313 new markdown files created - 30 relationships embedded - 313 entries indexed - State initialized with usage data
24 lines
1.0 KiB
Markdown
24 lines
1.0 KiB
Markdown
---
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id: 1d9b21a0-4293-46a0-8be1-05414e641ce9
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type: problem
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title: "Intermittent SSL connection failures from internal network"
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tags: [networking, dns, ssl, troubleshooting, pihole, npm]
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importance: 0.7
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confidence: 0.8
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created: "2026-02-05T22:37:50.922156+00:00"
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updated: "2026-02-05T22:37:50.922156+00:00"
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relations:
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- target: 62b643f2-5ed7-4ea5-b87f-ef0687ad83ec
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type: SOLVES
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direction: incoming
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strength: 0.5
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---
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Symptom: ERR_SSL_UNRECOGNIZED_NAME_ALERT appears intermittently when accessing internal services (like Gitea, NPM proxy hosts) from allowed internal network (10.0.0.0/24, 10.10.0.0/24).
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Pattern: Works fine for a while, then fails with SSL error, then works again. Access lists are correctly configured. Certificate is valid.
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Key diagnostic clue: Issue occurs even from internal network where access should always work. DNS returns both IPv4 (internal) and IPv6 (Cloudflare) addresses.
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Related to: Pi-hole DNS configuration, IPv6 preference in modern operating systems, split-horizon DNS, Cloudflare proxy configuration.
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