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What is changed, added or deleted? (Required)

Add several steps to validate the TLS between components.

It only applys for the components with a server. If this component only acts like a client, it's not easy to validate whether it communicates with others only through TLS (I think the only way to check this is by capturing the packet).

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Signed-off-by: Yang Keao <yangkeao@chunibyo.icu>
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Summary of Changes

Hello @YangKeao, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request enhances the security documentation by introducing a new section that provides clear, actionable steps for validating TLS configurations between different TiDB components. The added instructions empower users to confirm that secure communication is properly established within their TiDB clusters, thereby improving overall system security and operational confidence.

Highlights

  • TLS Validation Steps: New documentation has been added to guide users on how to validate TLS connections between various TiDB components.
  • OpenSSL Commands Provided: Specific openssl s_client commands are now included for verifying TLS for TiDB, PD, TiKV, TiFlash, and TiProxy, making it easier for users to confirm secure communication.
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@ti-chi-bot ti-chi-bot bot added missing-translation-status This PR does not have translation status info. size/M Denotes a PR that changes 30-99 lines, ignoring generated files. labels Sep 19, 2025
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Code Review

This pull request adds a new section to enable-tls-between-components.md with commands to validate TLS connections for various TiDB components. The changes are clear and provide useful information for users. I've suggested a minor refactoring to improve conciseness and readability by removing repetitive text, in line with the documentation style guide.

@hfxsd hfxsd self-assigned this Sep 19, 2025
@hfxsd hfxsd requested a review from dveeden September 19, 2025 09:46
@hfxsd hfxsd added translation/done This PR has been translated from English into Chinese and updated to pingcap/docs-cn in a PR. and removed missing-translation-status This PR does not have translation status info. labels Sep 19, 2025
@ti-chi-bot ti-chi-bot bot added the needs-1-more-lgtm Indicates a PR needs 1 more LGTM. label Sep 23, 2025
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ti-chi-bot bot commented Sep 23, 2025

[LGTM Timeline notifier]

Timeline:

  • 2025-09-23 08:25:41.86270793 +0000 UTC m=+345151.933201610: ☑️ agreed by dveeden.

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dveeden commented Sep 23, 2025

This is causing the LinkChecker to fail:

> - For v8.3.0 and earlier versions, the PD configuration item `cert-allowed-cn` can only be set to a single value. Therefore, the `Common Name` of all authentication objects must be set to the same value. For related configuration examples, see [v8.3.0 documentation](https://docs.pingcap.com/tidb/v8.3/enable-tls-between-components).

The https://docs.pingcap.com/tidb/v8.3/enable-tls-between-components gets a HTTP 404 but then gets a redirect to https://docs-archive.pingcap.com/tidb/v8.3/enable-tls-between-components/

Might be better to update the URL to directly go there.

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dveeden commented Sep 23, 2025

@YangKeao @hfxsd YangKeao#1

Signed-off-by: Yang Keao <yangkeao@chunibyo.icu>
Signed-off-by: Yang Keao <yangkeao@chunibyo.icu>
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ti-chi-bot bot commented Sep 25, 2025

[APPROVALNOTIFIER] This PR is NOT APPROVED

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Once this PR has been reviewed and has the lgtm label, please ask for approval from hfxsd. For more information see the Code Review Process.
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@YangKeao
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This is causing the LinkChecker to fail:

> - For v8.3.0 and earlier versions, the PD configuration item `cert-allowed-cn` can only be set to a single value. Therefore, the `Common Name` of all authentication objects must be set to the same value. For related configuration examples, see [v8.3.0 documentation](https://docs.pingcap.com/tidb/v8.3/enable-tls-between-components).

The https://docs.pingcap.com/tidb/v8.3/enable-tls-between-components gets a HTTP 404 but then gets a redirect to https://docs-archive.pingcap.com/tidb/v8.3/enable-tls-between-components/

Might be better to update the URL to directly go there.

Fixed.

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needs-1-more-lgtm Indicates a PR needs 1 more LGTM. size/M Denotes a PR that changes 30-99 lines, ignoring generated files. translation/done This PR has been translated from English into Chinese and updated to pingcap/docs-cn in a PR.

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