如果在我们的日志文件中发现新的错误消息并想知道这个.well_known文件夹代表什么。
哪个应用程序客户端需要访问这样的文件夹，哪个应用程序会在其中创建文件？
这是我的一个域的 PHP 错误日志的一些条目。（我删除了日期、IP 和目标域）。
0000/00/00 00:00:00 [error] 851#0: *88611 access forbidden by rule, client: xxx.xxx.xxx.xxx, server: example.com, request: "GET /.well-known/apple-app-site-association HTTP/1.1", host: "exampleA.com"
0000/00/00 00:00:00 [error] 850#0: *89749 access forbidden by rule, client: xxx.xxx.xxx.xxx, server: example.com, request: "GET /.well-known/assetlinks.json HTTP/1.1", host: "exampleA.com"
0000/00/00 00:00:00 [error] 850#0: *89767 access forbidden by rule, client: xxx.xxx.xxx.xxx, server: example.com, request: "GET /.well-known/assetlinks.json HTTP/1.1", host: "exampleB.com"
0000/00/00 00:00:00 [error] 853#0: *90120 access forbidden by rule, client: xxx.xxx.xxx.xxx, server: example.com, request: "GET /.well-known/apple-app-site-association HTTP/1.1", host: "exampleB.com"
0000/00/00 00:00:00 [error] 853#0: *90622 access forbidden by rule, client: xxx.xxx.xxx.xxx, server: example.com, request: "GET /.well-known/apple-app-site-association HTTP/1.1", host: "www.exampleB.com"
0000/00/00 00:00:00 [error] 853#0: *90926 access forbidden by rule, client: xxx.xxx.xxx.xxx, server: example.com, request: "GET /.well-known/assetlinks.json HTTP/1.1", host: "www.exampleA.com"
0000/00/00 00:00:00 [error] 854#0: *91780 access forbidden by rule, client: xxx.xxx.xxx.xxx, server: example.com, request: "GET /.well-known/apple-app-site-association HTTP/1.1", host: "exampleA.com"
首先，我认为我可能是生成此内容的人，但当时我并没有访问/工作这些域。这些访问请求来自我们的 3 个域。（使用不同的网络应用程序）
INFO1 : 似乎 IP 来自 Google-Bot (Crawler) 但是访问这些文件有什么重要的呢？（我们在文件夹中没有这些文件，检查是否隐藏在所有域根目录中。）