設備使用1883連接埠透過nginx 的TCP/UDP 代理轉送到後台伺服器,
後台伺服器檢視裝置的socket的ip 是代理伺服器的ip,而不是裝置的實際IP,
怎麼實作透明代理,讓nginx 代理把設備的實際ip連接後台伺服器呢?
備註:
裝置連線時拿不到自己的ip,所以不要往這點去想
是TCP/UDP代理,不是http
巴扎黑2017-05-16 17:14:03
Nginx Stream Module
The ngx_stream_core_module module is available since version 1.9.0. This module is not built by default, it should be enabled with the --with-stream configuration parameter.
配置。 --with-stream
worker_processes auto;
error_log /var/log/nginx/error.log info;
events {
worker_connections 1024;
}
stream {
upstream backend {
hash $remote_addr consistent;
server backend1.example.com:12345 weight=5;
server 127.0.0.1:12345 max_fails=3 fail_timeout=30s;
server unix:/tmp/backend3;
}
upstream dns {
server 192.168.0.1:53535;
server dns.example.com:53;
}
server {
listen 12345;
proxy_connect_timeout 1s;
proxy_timeout 3s;
proxy_pass backend;
}
server {
listen 127.0.0.1:53 udp;
proxy_responses 1;
proxy_timeout 20s;
proxy_pass dns;
}
server {
listen [::1]:12345;
proxy_pass unix:/tmp/stream.socket;
}
}