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---
title: 506 Variant Also Negotiates
slug: Web/HTTP/Status/506
tags:
- HTTP
- 服务器错误
- 状态码
translation_of: Web/HTTP/Status/506
---
<div>{{HTTPSidebar}}</div>
<p>HTTP协议的 <code><strong>506 Variant Also Negotiates</strong></code> 响应状态码 可以在TCN（透明内容协商，见RF2295）上下文给出。TCN协议允许客户端取回给定资源的最佳变量/变元，这里服务器支持多个变量/变元。</p>
<p>506码表示内部服务器配置错误，其中所选变量/变元自身被配置为参与内容协商，因此并不是合适的协商端点。</p>
<h2 id="Status">Status</h2>
<pre class="syntaxbox">506 Variant Also Negotiates</pre>
<h2 id="Specifications">Specifications</h2>
<table class="standard-table">
<tbody>
<tr>
<th scope="col">Specification</th>
<th scope="col">Title</th>
</tr>
<tr>
<td>{{RFC("2295", "506 Variant Also Negotiates" , "8.1")}}</td>
<td>Transparent Content Negotiation in HTTP</td>
</tr>
</tbody>
</table>
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