diff --git a/content/post/2017-11.md b/content/post/2017-11.md
index 772e67324..65d509cc5 100644
--- a/content/post/2017-11.md
+++ b/content/post/2017-11.md
@@ -376,3 +376,29 @@ $ grep -Io -E 'session_id=[A-Z0-9]{32}:ip_addr=104.196.152.243' dspace.log.2017-
 ```
 
 - I emailed CIAT about the session issue, user agent issue, and told them they should not scrape the HTML contents of communities, instead using the REST API
+- About Baidu, I found a link to their [robots.txt tester tool](http://ziyuan.baidu.com/robots/)
+- It seems like our robots.txt file is valid, and they claim to recognize that URLs like `/discover` should be forbidden:
+
+![Baidu robots.txt tester](/cgspace-notes/2017/11/baidu-robotstxt.png)
+
+- But they literally just made this request today:
+
+```
+180.76.15.136 - - [07/Nov/2017:06:25:11 +0000] "GET /discover?filtertype_0=crpsubject&filter_relational_operator_0=equals&filter_0=WATER%2C+LAND+AND+ECOSYSTEMS&filtertype=subject&filter_relational_operator=equals&filter=WATER+RESOURCES HTTP/1.1" 200 82265 "-" "Mozilla/5.0 (compatible; Baiduspider/2.0; +http://www.baidu.com/search/spider.html)"
+```
+
+- Along with another thousand or so requests to URLs that are forbidden in robots.txt today alone:
+
+```
+# grep -c Baiduspider /var/log/nginx/access.log
+3806
+# grep Baiduspider /var/log/nginx/access.log | grep -c -E "GET /(browse|discover|search-filter)"
+1085
+```
+
+- I will think about blocking their IPs but they have 164 of them!
+
+```
+# grep "Baiduspider/2.0" /var/log/nginx/access.log | awk '{print $1}' | sort -n | uniq | wc -l
+164
+```
diff --git a/public/2017-11/index.html b/public/2017-11/index.html
index a5111a0d4..527581e3c 100644
--- a/public/2017-11/index.html
+++ b/public/2017-11/index.html
@@ -38,7 +38,7 @@ COPY 54701
 
 <meta property="article:published_time" content="2017-11-02T09:37:54&#43;02:00"/>
 
-<meta property="article:modified_time" content="2017-11-07T17:03:49&#43;02:00"/>
+<meta property="article:modified_time" content="2017-11-07T17:26:16&#43;02:00"/>
 
 
 
@@ -86,9 +86,9 @@ COPY 54701
   "@type": "BlogPosting",
   "headline": "November, 2017",
   "url": "https://alanorth.github.io/cgspace-notes/2017-11/",
-  "wordCount": "1997",
+  "wordCount": "2084",
   "datePublished": "2017-11-02T09:37:54&#43;02:00",
-  "dateModified": "2017-11-07T17:03:49&#43;02:00",
+  "dateModified": "2017-11-07T17:26:16&#43;02:00",
   "author": {
     "@type": "Person",
     "name": "Alan Orth"
@@ -565,8 +565,29 @@ $ grep -Io -E 'session_id=[A-Z0-9]{32}:ip_addr=104.196.152.243' dspace.log.2017-
 
 <ul>
 <li>I emailed CIAT about the session issue, user agent issue, and told them they should not scrape the HTML contents of communities, instead using the REST API</li>
+<li>About Baidu, I found a link to their <a href="http://ziyuan.baidu.com/robots/">robots.txt tester tool</a></li>
+<li>It seems like our robots.txt file is valid, and they claim to recognize that URLs like <code>/discover</code> should be forbidden:</li>
 </ul>
 
+<p><img src="/cgspace-notes/2017/11/baidu-robotstxt.png" alt="Baidu robots.txt tester" /></p>
+
+<ul>
+<li>But they literally just made this request today:</li>
+</ul>
+
+<pre><code>180.76.15.136 - - [07/Nov/2017:06:25:11 +0000] &quot;GET /discover?filtertype_0=crpsubject&amp;filter_relational_operator_0=equals&amp;filter_0=WATER%2C+LAND+AND+ECOSYSTEMS&amp;filtertype=subject&amp;filter_relational_operator=equals&amp;filter=WATER+RESOURCES HTTP/1.1&quot; 200 82265 &quot;-&quot; &quot;Mozilla/5.0 (compatible; Baiduspider/2.0; +http://www.baidu.com/search/spider.html)&quot;
+</code></pre>
+
+<ul>
+<li>Along with another thousand or so requests to URLs that are forbidden in robots.txt today alone:</li>
+</ul>
+
+<pre><code># grep -c Baiduspider /var/log/nginx/access.log
+3806
+# grep Baiduspider /var/log/nginx/access.log | grep -c -E &quot;GET /(browse|discover|search-filter)&quot;
+1085
+</code></pre>
+
   
 
   
diff --git a/public/2017/11/baidu-robotstxt.png b/public/2017/11/baidu-robotstxt.png
new file mode 100644
index 000000000..29cb66563
Binary files /dev/null and b/public/2017/11/baidu-robotstxt.png differ
diff --git a/public/robots.txt b/public/robots.txt
index b90b33492..51a461e57 100644
--- a/public/robots.txt
+++ b/public/robots.txt
@@ -29,7 +29,7 @@ Disallow: /cgspace-notes/2015-12/
 Disallow: /cgspace-notes/2015-11/
 Disallow: /cgspace-notes/
 Disallow: /cgspace-notes/categories/
-Disallow: /cgspace-notes/categories/notes/
 Disallow: /cgspace-notes/tags/notes/
+Disallow: /cgspace-notes/categories/notes/
 Disallow: /cgspace-notes/post/
 Disallow: /cgspace-notes/tags/
diff --git a/public/sitemap.xml b/public/sitemap.xml
index 403e64e7d..e653d34e3 100644
--- a/public/sitemap.xml
+++ b/public/sitemap.xml
@@ -4,7 +4,7 @@
   
   <url>
     <loc>https://alanorth.github.io/cgspace-notes/2017-11/</loc>
-    <lastmod>2017-11-07T17:03:49+02:00</lastmod>
+    <lastmod>2017-11-07T17:26:16+02:00</lastmod>
   </url>
   
   <url>
@@ -134,7 +134,7 @@
   
   <url>
     <loc>https://alanorth.github.io/cgspace-notes/</loc>
-    <lastmod>2017-11-07T17:03:49+02:00</lastmod>
+    <lastmod>2017-11-07T17:26:16+02:00</lastmod>
     <priority>0</priority>
   </url>
   
@@ -143,27 +143,27 @@
     <priority>0</priority>
   </url>
   
+  <url>
+    <loc>https://alanorth.github.io/cgspace-notes/tags/notes/</loc>
+    <lastmod>2017-11-07T17:26:16+02:00</lastmod>
+    <priority>0</priority>
+  </url>
+  
   <url>
     <loc>https://alanorth.github.io/cgspace-notes/categories/notes/</loc>
     <lastmod>2017-09-28T12:00:49+03:00</lastmod>
     <priority>0</priority>
   </url>
   
-  <url>
-    <loc>https://alanorth.github.io/cgspace-notes/tags/notes/</loc>
-    <lastmod>2017-11-07T17:03:49+02:00</lastmod>
-    <priority>0</priority>
-  </url>
-  
   <url>
     <loc>https://alanorth.github.io/cgspace-notes/post/</loc>
-    <lastmod>2017-11-07T17:03:49+02:00</lastmod>
+    <lastmod>2017-11-07T17:26:16+02:00</lastmod>
     <priority>0</priority>
   </url>
   
   <url>
     <loc>https://alanorth.github.io/cgspace-notes/tags/</loc>
-    <lastmod>2017-11-07T17:03:49+02:00</lastmod>
+    <lastmod>2017-11-07T17:26:16+02:00</lastmod>
     <priority>0</priority>
   </url>
   
diff --git a/static/2017/11/baidu-robotstxt.png b/static/2017/11/baidu-robotstxt.png
new file mode 100644
index 000000000..29cb66563
Binary files /dev/null and b/static/2017/11/baidu-robotstxt.png differ