180 lines
5.8 KiB
Nginx Configuration File
180 lines
5.8 KiB
Nginx Configuration File
load_module /usr/lib/nginx/modules/ngx_http_proxy_connect_module.so;
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worker_processes auto;
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worker_rlimit_nofile 65535;
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events {
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worker_connections 8192;
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multi_accept on;
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}
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http {
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server_tokens off;
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resolver 8.8.8.8 ipv6=off valid=300s;
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resolver_timeout 10s;
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# 默认站点分流：本机/私网直连返回伪装页；其余 Host（正向代理目标）走 /__proxy 转发
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# 公网 IP 无需手改：cron（sync-nginx-local-ips.sh）自动写入 local_ip_rules.conf；
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# 另有 /__proxy 自代理环保护兜底，即使公网 IP 变更也不会死循环。
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map $host $is_local {
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default 0;
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"~^(10\.|127\.|169\.254\.|192\.168\.|172\.(1[6-9]|2[0-9]|3[01])\.)" 1;
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}
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include mime.types;
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default_type application/octet-stream;
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sendfile on;
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tcp_nopush on;
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tcp_nodelay on;
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keepalive_timeout 65;
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keepalive_requests 100;
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# 80 端口：iam.aeolianchi.me 强制跳转到 HTTPS（保留 ACME 验证路径）
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server {
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listen 80;
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server_name iam.aeolianchi.me;
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location /.well-known/acme-challenge/ {
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root /var/www/acme;
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}
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location / {
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return 301 https://$host$request_uri;
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}
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}
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# 80 端口：默认站点只做静态伪装，不提供代理、不弹认证
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server {
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listen 80 default_server;
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server_name _;
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root /var/www/html;
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index index.html;
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location /.well-known/acme-challenge/ {
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root /var/www/acme;
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}
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location / {
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try_files $uri $uri/ =404;
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}
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}
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# 443 端口：iam.aeolianchi.me HTTPS 站点 + 认证 CONNECT 代理
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server {
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listen 443 ssl;
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http2 on;
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server_name iam.aeolianchi.me;
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root /var/www/html;
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ssl_certificate /etc/nginx/ssl/iam.aeolianchi.me/fullchain.pem;
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ssl_certificate_key /etc/nginx/ssl/iam.aeolianchi.me/privkey.pem;
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ssl_protocols TLSv1.2 TLSv1.3;
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ssl_ciphers HIGH:!aNULL:!MD5;
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ssl_session_cache shared:SSL:10m;
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ssl_session_timeout 10m;
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# 仅 CONNECT/正向代理需要认证，普通页面不需要
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auth_basic "Restricted";
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auth_basic_user_file /etc/nginx/.htpasswd;
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proxy_connect;
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proxy_connect_allow 443 563;
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proxy_connect_connect_timeout 60s;
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proxy_connect_read_timeout 120s;
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proxy_connect_send_timeout 120s;
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location / {
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auth_basic off;
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if ($host != "iam.aeolianchi.me") {
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rewrite ^ /__proxy last;
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}
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index index.html;
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try_files $uri $uri/ =404;
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}
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location /__proxy {
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internal;
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proxy_intercept_errors on;
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error_page 502 503 504 =444 @drop;
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resolver 8.8.8.8 ipv6=off valid=300s;
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proxy_pass $scheme://$host$request_uri;
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proxy_set_header Host $host;
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proxy_ssl_name $host;
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proxy_ssl_server_name on;
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}
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location @drop {
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return 444;
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}
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}
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# 443 端口 fallback：其他 SNI 也可用 CONNECT 代理；普通 GET 只返回伪装页
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server {
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listen 443 ssl default_server;
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http2 on;
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server_name _;
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ssl_certificate /etc/nginx/ssl/iam.aeolianchi.me/fullchain.pem;
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ssl_certificate_key /etc/nginx/ssl/iam.aeolianchi.me/privkey.pem;
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ssl_protocols TLSv1.2 TLSv1.3;
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ssl_ciphers HIGH:!aNULL:!MD5;
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ssl_session_cache shared:SSL:10m;
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ssl_session_timeout 10m;
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# 仅 CONNECT/正向代理需要认证，普通页面不需要
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auth_basic "Restricted";
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auth_basic_user_file /etc/nginx/.htpasswd;
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proxy_connect;
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proxy_connect_allow 443 563;
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proxy_connect_connect_timeout 60s;
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proxy_connect_read_timeout 120s;
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proxy_connect_send_timeout 120s;
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location / {
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auth_basic off;
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# 自动判定本机：连接本地地址 / 无 Host / 私网回环 / cron 维护的公网 IP 规则
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# 命中则 rewrite 到 /__local<原路径>（保留 $uri），其余走 /__proxy 转发
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if ($host = $server_addr) { rewrite ^(.*)$ /__local$1 last; }
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if ($host = "_") { rewrite ^(.*)$ /__local$1 last; }
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if ($is_local) { rewrite ^(.*)$ /__local$1 last; }
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include /etc/nginx/local_ip_rules.conf;
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rewrite ^ /__proxy last;
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}
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# 本机 IP/域名直连：剥掉前缀后按原路径服务伪装页（保持原有行为）
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location /__local {
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internal;
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auth_basic off;
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rewrite ^/__local(.*)$ $1 break;
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root /var/www/html;
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index index.html;
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try_files $uri $uri/ =404;
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}
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# 明文 HTTP 正向代理：绝对形式请求（Host=目标域名）在此转发
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location /__proxy {
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internal;
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# 自代理环保护：转发请求带标记头，二次进入说明代理目标指向本机（未知/新公网 IP），
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# 返回 508 Loop Detected 而非死循环
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if ($http_x_proxy_loop_guard = "1") {
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return 508;
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}
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proxy_set_header X-Proxy-Loop-Guard "1";
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resolver 8.8.8.8 ipv6=off valid=300s;
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proxy_pass http://$http_host$request_uri;
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proxy_set_header Host $http_host;
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proxy_http_version 1.1;
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proxy_set_header Connection "";
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proxy_connect_timeout 10s;
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proxy_read_timeout 120s;
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proxy_intercept_errors on;
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# 目标不可达/无法解析：直接断开连接（444），不返回任何页面
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error_page 502 503 504 =444 @drop;
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}
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location @drop {
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return 444;
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}
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}
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include /etc/nginx/conf.d/*.conf;
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}
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