很长一段时间以来（现在一个多月），我在 apache 日志中看到如下所示的行：
180.76.15.138 - - [24/Jun/2015:16:13:34 -0400] "GET /manual/de/mod/module-dict.html HTTP/1.1" 403 396 "-" "Mozilla/5.0 (compatible; Baiduspider/2.0; +http://www.baidu.com/search/spider.html)"
180.76.15.159 - - [24/Jun/2015:16:28:34 -0400] "GET /manual/es/mod/mod_cache_disk.html HTTP/1.1" 403 399 "-" "Mozilla/5.0 (compatible; Baiduspider/2.0; +http://www.baidu.com/search/spider.html)"
66.249.75.86 - - [24/Jun/2015:16:18:01 -0400] "GET /manual/es/programs/apachectl.html HTTP/1.1" 403 436 "-" "Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)"
[Wed Jun 24 16:13:34.430884 2015] [access_compat:error] [pid 5059] [client 180.76.15.138:58811] AH01797: client denied by server configuration: /usr/share/doc/apache2-doc/manual/de/mod/module-dict.html
[Wed Jun 24 16:18:01.037146 2015] [access_compat:error] [pid 2791] [client 66.249.75.86:56362] AH01797: client denied by server …我不时收到来自 Google bot 的消息，说它无法访问我的网站。
在过去 24 小时内，Googlebot 在尝试检索您网站的 DNS 信息时遇到了 1 个错误。您站点的 DNS 查询的总体错误率为 50.0%。
我尝试了“Fetch as Google”选项，但得到了一个橙色感叹号：
http://visualbioinformatics.com/
URL 和提交到索引的链接页面
此 URL 重定向到：http : //www.visualbioinformatics.com
Downloaded HTTP response:
HTTP/1.1 301 Moved Permanently
Date: Mon, 02 Nov 2015 08:34:58 GMT
Server: Apache
Location: http://www.VisualBioinformatics.com/
Content-Length: 318
Keep-Alive: timeout=10, max=500
Connection: Keep-Alive
Content-Type: text/html; charset=iso-8859-1
X-Pad: avoid browser bug
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
<html><head>
<title>301 Moved Permanently</title>
</head><body>
<h1>Moved Permanently</h1>
<p>The document has moved <a href="http://www.VisualBioinformatics.com/">here</a>.</p>
<hr>
<address>Apache …