Correct home installer port requirements and advanced examples

[githubsaturn]

Review findings addressed

• Temporarily forward TCP 3000 with 80 and 443 before the default public-IP installer runs on a home server; remove the 3000 rule after dashboard HTTPS works. Explain the NAT loopback caveat and local/private path.
• State that the default NGINX service publishes UDP 443 even when it is blocked at the external firewall.
• Make the global DNS-01 example request only the exact domain, with a note on wildcard rule matching.
• Describe NetData alert delivery verification without assuming a dashboard test button.

Validation

Docusaurus clean build succeeded for en, es-ES, and zh-CN. Combined-site composition and HTTP smoke passed. Certbot JSON example parsed and requests only the exact domain. git diff --check passed. /docs-next remains an unlinked preview; /docs is unchanged.

Summary by CodeRabbit

• Documentation
  • Clarified that the example Certbot command requests a certificate for the base domain only; wildcard certificates require both the base domain and wildcard name.
  • Updated home-server setup steps to install Docker first, temporarily forward ports 80, 443, and 3000, verify access from outside the LAN, and remove public port 3000 forwarding once dashboard HTTPS works.
  • Listed UDP 443 as a default NGINX port and noted it must be allowed through the firewall for HTTP/3.
  • Updated NetData guidance to verify that alert notifications reach their destination.

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Note

Currently processing new changes in this PR. This may take a few minutes, please wait...

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Advanced

Run ID: 369fea86-db3e-4dc6-8c98-a50880dfa71f

📥 Commits

Reviewing files that changed from the base of the PR and between 7cb6f35 and 45b982c.

📒 Files selected for processing (4)

• content/en/docs-next/domains/advanced-certbot.md
• content/en/docs-next/guides/home-server.md
• content/en/docs-next/reference/ports.md
• content/en/docs-next/server/netdata.md

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