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Update command-line-flags-for-tidb-configuration.md #14038

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Update command-line-flags-for-tidb-configuration.md #14038

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2 changes: 1 addition & 1 deletion command-line-flags-for-tidb-configuration.md
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Expand Up @@ -114,7 +114,7 @@ When you start the TiDB cluster, you can use command-line options or environment

## `--proxy-protocol-fallbackable`

- Controls whether to enable PROXY protocol fallback mode. When this parameter is set to `true`, TiDB accepts PROXY client connections and client connections without any PROXY protocol header. By default, TiDB only accepts client connections with a PROXY protocol header.
- Controls whether to enable PROXY protocol fallback mode. When this parameter is set to `true`, TiDB accepts client connections that belong to `--proxy-protocol-networks` without using the PROXY protocol specification or without sending a PROXY protocol header. By default, TiDB only accepts client connections that belong to `--proxy-protocol-networks` and send a PROXY protocol header.
- Default value: `false`

## `--proxy-protocol-networks`
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5 changes: 5 additions & 0 deletions tidb-configuration-file.md
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Expand Up @@ -929,6 +929,11 @@ Configuration items related to the PROXY protocol.
>
> Use `*` with caution because it might introduce security risks by allowing a client of any IP address to report its IP address. In addition, using `*` might also cause the internal component that directly connects to TiDB (such as TiDB Dashboard) to be unavailable.

### `fallbackable` <span class="version-mark">New in v6.5.1</span>

+ Controls whether to enable the PROXY protocol fallback mode. If this configuration item is set to `true`, TiDB can accept clients that belong to `proxy-protocol.networks` to connect to TiDB without using the PROXY protocol specification or without sending the PROXY protocol header. By default, TiDB only accepts client connections that belong to `proxy-protocol.networks` and send a PROXY protocol header.
+ Default value: `false`

## experimental

The `experimental` section, introduced in v3.1.0, describes the configurations related to the experimental features of TiDB.
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