From 8b26972a6378577bb1f565093453bce77752a8eb Mon Sep 17 00:00:00 2001
From: Grant Slater <git@firefishy.com>
Date: Fri, 29 May 2020 18:16:55 +0100
Subject: [PATCH] tilecache: Add to fast 404 list common off-by-one tiles

---
 .../templates/default/nginx_tile.conf.erb     | 76 +++++++++++++++++--
 1 file changed, 68 insertions(+), 8 deletions(-)

diff --git a/cookbooks/tilecache/templates/default/nginx_tile.conf.erb b/cookbooks/tilecache/templates/default/nginx_tile.conf.erb
index b8b0b5321..1965de764 100644
--- a/cookbooks/tilecache/templates/default/nginx_tile.conf.erb
+++ b/cookbooks/tilecache/templates/default/nginx_tile.conf.erb
@@ -217,31 +217,64 @@ server {
 <% end %>
 
     # Immediately 404 silly tile requests
+    location = /0/-1/-1.png {
+      return 404;
+    }
+    location = /0/-1/0.png {
+      return 404;
+    }
+    location = /0/-1/1.png {
+      return 404;
+    }
     location = /0/0/-1.png {
       return 404;
     }
-    location = /1/0/-1.png {
+    location = /0/0/1.png {
       return 404;
     }
-    location = /1/-1/0.png {
+    location = /0/0/2.png {
       return 404;
     }
-    location = /1/-1/1.png {
+    location = /0/1/-1.png {
+      return 404;
+    }
+    location = /0/1/0.png {
+      return 404;
+    }
+    location = /0/1/1.png {
+      return 404;
+    }
+    location = /0/1/2.png {
+      return 404;
+    }
+    location = /0/2/0.png {
+      return 404;
+    }
+    location = /0/2/1.png {
+      return 404;
+    }
+    location = /0/2/2.png {
       return 404;
     }
     location = /1/-1/-1.png {
       return 404;
     }
+    location = /1/-1/0.png {
+      return 404;
+    }
+    location = /1/-1/1.png {
+      return 404;
+    }
     location = /1/-1/2.png {
       return 404;
     }
-    location = /1/1/-1.png {
+    location = /1/0/-1.png {
       return 404;
     }
-    location = /1/2/-1.png {
+    location = /1/1/-1.png {
       return 404;
     }
-    location = /2/0/-1.png {
+    location = /1/2/-1.png {
       return 404;
     }
     location = /2/-1/0.png {
@@ -250,13 +283,40 @@ server {
     location = /2/-1/1.png {
       return 404;
     }
+    location = /2/-1/2.png {
+      return 404;
+    }
+    location = /2/-1/3.png {
+      return 404;
+    }
+    location = /2/0/-1.png {
+      return 404;
+    }
     location = /2/1/-1.png {
       return 404;
     }
-    location = /2/-1/2.png {
+    location = /2/1/4.png {
       return 404;
     }
-    location = /2/-1/3.png {
+    location = /2/2/4.png {
+      return 404;
+    }
+    location = /2/3/4.png {
+      return 404;
+    }
+    location = /2/4/0.png {
+      return 404;
+    }
+    location = /2/4/1.png {
+      return 404;
+    }
+    location = /2/4/2.png {
+      return 404;
+    }
+    location = /2/4/3.png {
+      return 404;
+    }
+    location = /2/4/4.png {
       return 404;
     }
 
-- 
2.39.5