Ignore local subnets for real IP determination

docker/rootfs/etc/nginx/nginx.conf

@@ -27,9 +27,9 @@ http {
 	tcp_nodelay                   on;
 	client_body_temp_path         /tmp/nginx/body 1 2;
 	keepalive_timeout             90s;
-        proxy_connect_timeout         90s;
-        proxy_send_timeout            90s;
-        proxy_read_timeout            90s;
+	proxy_connect_timeout         90s;
+	proxy_send_timeout            90s;
+	proxy_read_timeout            90s;
 	ssl_prefer_server_ciphers     on;
 	gzip                          on;
 	proxy_ignore_client_abort     off;
@@ -60,6 +60,9 @@ http {
 	# Real IP Determination
 	# Docker subnet:
 	set_real_ip_from 172.0.0.0/8;
+	# Local subnets:
+	set_real_ip_from 10.0.0.0/8;
+	set_real_ip_from 192.0.0.0/8;
 	# NPM generated CDN ip ranges:
 	include conf.d/include/ip_ranges.conf;
 	# always put the following 2 lines after ip subnets: