nginx 多级7层代理安装配置

编译安装

yum install zlib-devel -y

wget https://nginx.org/download/nginx-1.15.12.tar.gz

tar -zxf nginx-1.15.12.tar.gz

./configure --with-stream --prefix=/usr/local/nginx-1.15.12

make && make install

cd /usr/local/ && ln -s nginx-1.15.12 nginx

启动脚本

cat > /etc/systemd/system/nginx.service <<EOF
[Unit]
Description=nginx proxy
After=network.target
After=network-online.target
Wants=network-online.target

[Service]
Type=forking
ExecStartPre=/usr/local/nginx/sbin/nginx -c /usr/local/nginx/conf/nginx.conf -p /usr/local/nginx -t
ExecStart=/usr/local/nginx/sbin/nginx -c /usr/local/nginx/conf/nginx.conf -p /usr/local/nginx
ExecReload=/usr/local/nginx/sbin/nginx -c /usr/local/nginx/conf/nginx.conf -p /usr/local/nginx -s reload
PrivateTmp=true
Restart=always
RestartSec=5
StartLimitInterval=0
LimitNOFILE=65536

[Install]
WantedBy=multi-user.target
EOF

多级代理配置

重点需将 http_host 变量传递至后端，否则可能到第二级代理会找不到资源。

proxy_set_header Host $http_host;

proxy_set_header Connection close;