user nginx;
worker_processes auto;
error_log /var/log/nginx/error.log;
pid /run/nginx.pid;
# Load dynamic modules. See /usr/share/nginx/README.dynamic.
include /usr/share/nginx/modules/*.conf;
events {
    worker_connections 1024;
}
http {
    log_format  main  ‘$remote_addr - $remote_user [$time_local] "$http_host" "$request" ‘
                      ‘$status $body_bytes_sent "$http_referer" ‘
                      ‘"$http_user_agent" $http_x_forwarded_for ‘
                      ‘"$upstream_addr" "$upstream_status" "$upstream_response_time" "$request_time"‘;
    access_log  /etc/nginx/logs/access.log  main;
    sendfile            on;
    tcp_nopush          on;
    tcp_nodelay         on;
    keepalive_timeout   65;
    types_hash_max_size 2048;
    include             /etc/nginx/mime.types;
    default_type        application/octet-stream;
    include /etc/nginx/conf.d/*.conf;
}
stream {  
        upstream tcp_proxy {
        hash $remote_addr consistent;  #遠程地址做個hash
        server slbIP:80;
  }
        upstream tcp_proxy_443 {
        hash $remote_addr consistent;  #遠程地址做個hash
        server slbIP:443;
   }
      server {
        #listen [::]:80;
        listen 80;
        proxy_connect_timeout 1s;
        proxy_timeout 10s;  #後端連接超時時間
        proxy_pass tcp_proxy;
     }
      server {
        #listen [::]:443;
        listen 443;
        proxy_connect_timeout 1s;
        proxy_timeout 10s;  #後端連接超時時間
        proxy_pass tcp_proxy_443;
     }
  }

本文出自 “磚家博客” 博客，請務必保留此出處http://wsxxsl.blog.51cto.com/9085838/1980033

nginx做tcp代理