From 96d19c738aa00a6390f0c63472139305fb8ef739 Mon Sep 17 00:00:00 2001
From: Grant Slater <git@firefishy.com>
Date: Fri, 31 May 2019 16:33:35 +0100
Subject: [PATCH] tilecache: 404 tiles we do not support

---
 .../templates/default/nginx_tile.conf.erb     | 66 +++++++++++++++++++
 1 file changed, 66 insertions(+)

diff --git a/cookbooks/tilecache/templates/default/nginx_tile.conf.erb b/cookbooks/tilecache/templates/default/nginx_tile.conf.erb
index d5d40405c..7e6ff1062 100644
--- a/cookbooks/tilecache/templates/default/nginx_tile.conf.erb
+++ b/cookbooks/tilecache/templates/default/nginx_tile.conf.erb
@@ -94,6 +94,72 @@ server {
     ssl_certificate      /etc/ssl/certs/tile.openstreetmap.org.pem;
     ssl_certificate_key  /etc/ssl/private/tile.openstreetmap.org.key;
 
+    # Immediately 404 layers we do not support
+<% for i in 20..99 do %>
+    location /<%= i %>/ {
+      set $limit_rate 512;
+      return 404;
+    }
+<% end %>
+
+    # Immediately 404 silly tile requests
+    location = /0/0/-1.png {
+      set $limit_rate 512;
+      return 404;
+    }
+    location = /1/0/-1.png {
+      set $limit_rate 512;
+      return 404;
+    }
+    location = /1/-1/0.png {
+      set $limit_rate 512;
+      return 404;
+    }
+    location = /1/-1/1.png {
+      set $limit_rate 512;
+      return 404;
+    }
+    location = /1/-1/-1.png {
+      set $limit_rate 512;
+      return 404;
+    }
+    location = /1/-1/2.png {
+      set $limit_rate 512;
+      return 404;
+    }
+    location = /1/1/-1.png {
+      set $limit_rate 512;
+      return 404;
+    }
+    location = /1/2/-1.png {
+      set $limit_rate 512;
+      return 404;
+    }
+    location = /2/0/-1.png {
+      set $limit_rate 512;
+      return 404;
+    }
+    location = /2/-1/0.png {
+      set $limit_rate 512;
+      return 404;
+    }
+    location = /2/-1/1.png {
+      set $limit_rate 512;
+      return 404;
+    }
+    location = /2/1/-1.png {
+      set $limit_rate 512;
+      return 404;
+    }
+    location = /2/-1/2.png {
+      set $limit_rate 512;
+      return 404;
+    }
+    location = /2/-1/3.png {
+      set $limit_rate 512;
+      return 404;
+    }
+
     location / {
       proxy_pass http://tile_cache_backend;
       proxy_set_header X-Forwarded-For $remote_addr;
-- 
2.43.2