# DO NOT EDIT - This file is being maintained by Chef
upstream tile_cache_backend {
- server 127.0.0.1;
- server 127.0.0.2;
- server 127.0.0.3;
+ server 127.0.0.1:8080;
+ server 127.0.0.2:8080;
# Add the other caches to relieve pressure if local squid failing
# Balancer: round-robin
<% @caches.each do |cache| -%>
<% if cache[:hostname] != node[:hostname] -%>
-<% if node[:tilecache][:tile_siblings].include? cache[:fqdn] -%>
<% cache.ipaddresses(:family => :inet, :role => :external).sort.each do |address| -%>
- server <%= address %> backup; # Server <%= cache[:hostname] %>
-<% end -%>
+ server <%= address %>:80 backup; # Server <%= cache[:hostname] %>
<% end -%>
<% end -%>
<% end -%>
'http://osm.org' 1; # Faked
}
+map $http_referer $osm_referer {
+ default ''; # False
+ '~^https:\/\/www\.openstreetmap\.org\/' 'osm'; # True
+}
+
# Limit Cache-Control header to only approved User-Agents
-map $http_user_agent $limit_http_cache_control {
- default ''; # Unset Header
- '~^Mozilla\/5\.0\ QGIS\/' ''; # Unset Header
- '~^Mozilla\/5\.0\ ' $http_cache_control; # Pass Header
+map $osm_referer$http_user_agent $limit_http_cache_control {
+ default ''; # Unset Header
+ '~^osmMozilla\/5\.0\ QGIS\/' ''; # Unset Header
+ '~^osmMozilla\/5\.0\ ' $http_cache_control; # Pass Header
}
# Limit Pragma header to only approved User-Agents
-map $http_user_agent $limit_http_pragma {
- default ''; # Unset Header
- '~^Mozilla\/5\.0\ QGIS\/' ''; # Unset Header
- '~^Mozilla\/5\.0\ ' $http_pragma; # Pass Header
+map $osm_referer$http_user_agent $limit_http_pragma {
+ default ''; # Unset Header
+ '~^osmMozilla\/5\.0\ QGIS\/' ''; # Unset Header
+ '~^osmMozilla\/5\.0\ ' $http_pragma; # Pass Header
}
server {
+ # IPv4
+ listen 80 deferred backlog=16384 reuseport fastopen=2048 default_server;
listen 443 ssl deferred backlog=16384 reuseport fastopen=2048 http2 default_server;
+ # IPv6
+ # listen [::]:80 deferred backlog=16384 reuseport fastopen=2048 default_server;
+ # listen [::]:443 ssl deferred backlog=16384 reuseport fastopen=2048 http2 default_server;
server_name localhost;
proxy_buffers 8 64k;
+ proxy_busy_buffers_size 64k;
ssl_certificate /etc/ssl/certs/tile.openstreetmap.org.pem;
ssl_certificate_key /etc/ssl/private/tile.openstreetmap.org.key;
# Dedicated zoom handler for caching
location /<%= i %>/ {
<% end %>
+ # Only allow GET / HEAD / OPTIONS (CORS) requests
+ limit_except GET HEAD OPTIONS {
+ deny all;
+ }
+
proxy_pass http://tile_cache_backend;
proxy_set_header X-Forwarded-For $remote_addr;
proxy_http_version 1.1;
proxy_set_header Connection '';
- proxy_connect_timeout 5s;
+ proxy_connect_timeout 10s;
- # Preserve host header.
- proxy_set_header Host $host;
+ # Replace host header.
+ proxy_set_header Host 'tile.openstreetmap.org';
# Do not pass cookies to backends.
proxy_set_header Cookie '';
# Do not pass Accept-Encoding to backends.
proxy_set_header Accept-Encoding '';
+ # Do not pass Accept to backends.
+ proxy_set_header Accept '';
+ # Do not pass Accept-Language to backends as unused.
+ proxy_set_header Accept-Language '';
+ proxy_set_header Accept-Charset '';
+ # Do not send origin, we allow all.
+ proxy_set_header origin '';
+ # Do not pass invalid headers to backend.
+ proxy_set_header X-Forwarded-Host '';
+ proxy_set_header X-Host '';
+ proxy_set_header Authorization '';
+ proxy_set_header Proxy-Authorization '';
+
+ # Drop partial requests
+ proxy_set_header range '';
# Do not allow setting cookies from backends due to caching.
proxy_ignore_headers Set-Cookie;
proxy_cache_use_stale error timeout updating http_500 http_503 http_504;
# If in cache as stale, serve stale and update in background
proxy_cache_background_update on;
+ # Enable revalidation using If-Modified-Since and If-None-Match for stale items
+ proxy_cache_revalidate on;
proxy_cache_min_uses 8;
- add_header X-Nginx-Cache-Status $upstream_cache_status;
+ add_header x-cache-status $upstream_cache_status;
<% end -%>
# Set a QoS cookie if none presented (uses nginx Map)