nginx SSL 负载均衡详细配置
#user nobody;
#error_log logs/error.log;
#error_log logs/error.log notice;
#error_log logs/error.log info;
#pid logs/nginx.pid;
worker_processes auto;
worker_cpu_affinity auto;
#worker_processes 工作进程数
# worker_connections 单个工作进程可以允许同时建立外部连接的数量
events {
worker_connections 1024;
}
http {
include mime.types;
default_type application/octet-stream;
#log_format main '$remote_addr - $remote_user [$time_local] "$request" '
# '$status $body_bytes_sent "$http_referer" '
# '"$http_user_agent" "$http_x_forwarded_for"';
#access_log logs/access.log main;
# 轮询策略 到应用服务器的请求以round-robin/轮询的方式被分发
upstream nginx{
server 192.168.0.100:8080 weight=1 fail_timeout=20s;
server 192.168.0.101:8080 weight=1 fail_timeout=20s;
}
#ip hash 使用hash算法来决定下一个请求要选择哪个服务器
upstream nginx {
server 192.168.0.100:8080;
server 192.168.0.101:8080 backup;
ip_hash;
}
# 最少连接(least_conn)下一个请求将被分派到活动连接数量最少的服务器
upstream nginx {
server 192.168.0.100:8080;
server 192.168.0.101:8080;
server 192.168.0.102:8080;
least_conn;
}
# 使用fair负载策略模块
upstream nginx {
fair;
server 192.168.0.100:8080;
server 192.168.0.101:8080;
server 192.168.0.102:8080;
}
# url_hash 按请求url的hash结果来分配请求,使每个url定向到同一个后端服务器,服务器做缓存时比较有效。
upstream nginx {
server 192.168.0.100:8080;
server 192.168.0.101:8080;
server 192.168.0.102:8080;
hash $request_uri;
}
#weight=1; (weight 默认为1.weight越大,负载的权重就越大)
#down; (down 表示单前的server暂时不参与负载)
#backup; (其它所有的非backup机器down或者忙的时候,请求backup机器)
#max_fails :允许请求失败的次数默认为1.当超过最大次数时,返回proxy_next_upstream 模块定义的错误
#fail_timeout:max_fails次失败后,暂停的时间
sendfile on;
#tcp_nopush on;
#keepalive_timeout 0;
keepalive_timeout 65;
#gzip on;
server {
listen 80;
listen 443 ssl;
server_name 192.168.0.11;
ssl_certificate /usr/local/nginx/conf/10.0.0.11.pem;
ssl_certificate_key /usr/local/nginx/conf/10.0.0.11.key;
ssl_session_cache shared:SSL:1m;
ssl_session_timeout 5m;
ssl_protocols SSLv2 SSLv3 TLSv1.2;
ssl_ciphers AESGCM:ALL:!DH:!EXPORT:!RC4:+HIGH:!MEDIUM:!LOW:!aNULL:!eNULL;
ssl_prefer_server_ciphers on;
#sub_filter_once off;
#sub_filter '<head>' '<head><meta http-equiv="Content-Security-Policy" content="upgrade-insecure-requests">';
location / {
proxy_pass http://nginx/;
client_max_body_size 400m;
proxy_set_header Host $host:$server_port;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_connect_timeout 60;
proxy_read_timeout 60;
proxy_send_timeout 60;
}
}
}
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