.NET 6 Web API中IIS 10允许PUT方法的405错误解决求助

我用.NET 6开发Web API，通过Swagger调用PUT接口时一直出现405 Method Not Allowed错误。已经在谷歌和YouTube搜索了各种相关解决方案，但都没找到问题根源，恳请各位帮忙解决！

错误详情 #

Error: Method Not Allowed

Response body
Download
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"/>
<title>405 - HTTP verb used to access this page is not allowed.</title>
<style type="text/css">
<!--
body{margin:0;font-size:.7em;font-family:Verdana, Arial, Helvetica, sans-serif;background:#EEEEEE;}
fieldset{padding:0 15px 10px 15px;} 
h1{font-size:2.4em;margin:0;color:#FFF;}
h2{font-size:1.7em;margin:0;color:#CC0000;} 
h3{font-size:1.2em;margin:10px 0 0 0;color:#000000;} 
#header{width:96%;margin:0 0 0 0;padding:6px 2% 6px 2%;font-family:"trebuchet MS", Verdana, sans-serif;color:#FFF;
background-color:#555555;}
#content{margin:0 0 0 2%;position:relative;}
.content-container{background:#FFF;width:96%;margin-top:8px;padding:10px;position:relative;}
-->
</style>
</head>
<body>
<div id="header"><h1>Server Error</h1></div>
<div id="content">
 <div class="content-container"><fieldset>
  <h2>405 - HTTP verb used to access this page is not allowed.</h2>
  <h3>The page you are looking for cannot be displayed because an invalid method (HTTP verb) was used to attempt access.</h3>
 </fieldset></div>
</div>
</body>
</html>
Response headers
 allow: GET,HEAD,OPTIONS,TRACE 
 content-length: 1293 
 content-type: text/html 
 date: Wed,27 Sep 2023 07:54:03 GMT 
 server: Microsoft-IIS/10.0 

需求及当前配置 #

我需要配置IIS 10允许PUT方法，目前我的web.config配置截图如下：

内容的提问来源于stack exchange，提问作者Gà con