Add Deny All, revise intro article

[avanscoy]

Description

Tenant Access Control List > Deny All Rule

References

Testing

Checklist

• I've read and followed CONTRIBUTING.md.
• I've tested the site build for this change locally.
• I've made appropriate docs updates for any code or config changes.
• I've coordinated with the Product Docs and/or Docs Management team about non-trivial changes.

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[github-actions]

Summary

Status	Count
🔍 Total	12
🔗 Unique	10
✅ Successful	10
⏳ Timeouts	0
🔀 Redirected	0
👻 Excluded	0
❓ Unknown	0
🚫 Errors	2
⛔ Unsupported	0

Errors per input

Errors in main/docs/secure/tenant-access-control-list.mdx

• [ERROR] </docs/secure/tenant-access-control-list/reference#param-dcr> (at 18:85) | Cannot find fragment
• [ERROR] </docs/secure/tenant-access-control-list/reference#param-hostnames> (at 16:19) | Cannot find fragment

Full Github Actions output

Run on commit f334d67.

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Project	Status	Preview	Updated (UTC)
auth0-docs-dev	🟢 Ready	View Preview	Aug 18, 2026, 3:16 PM

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Project	Status	Preview	Updated (UTC)
auth0-docs-staging	🟢 Ready	View Preview	Aug 18, 2026, 3:15 PM

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