# ------------------------------------------------------------
# mail.hanmocnn.co.kr
# ------------------------------------------------------------



map $scheme $hsts_header {
    https   "max-age=63072000; preload";
}

server {
  set $forward_scheme https;
  set $server         "192.168.0.250";
  set $port           8443;

  listen 80;
listen [::]:80;

listen 443 ssl;
listen [::]:443 ssl;


  server_name mail.hanmocnn.co.kr;
http2 off;


  # Let's Encrypt SSL
  include conf.d/include/letsencrypt-acme-challenge.conf;
  include conf.d/include/ssl-cache.conf;
  include conf.d/include/ssl-ciphers.conf;
  ssl_certificate /etc/letsencrypt/live/npm-4/fullchain.pem;
  ssl_certificate_key /etc/letsencrypt/live/npm-4/privkey.pem;




# Asset Caching
  include conf.d/include/assets.conf;


  # Block Exploits
  include conf.d/include/block-exploits.conf;








proxy_set_header Upgrade $http_upgrade;
proxy_set_header Connection $http_connection;
proxy_http_version 1.1;


  access_log /data/logs/proxy-host-3_access.log proxy;
  error_log /data/logs/proxy-host-3_error.log warn;



  location / {
    # 1. 루트 접속 시 라운드큐브로 리다이렉트
location = / {
    return 301 $scheme://$host/rc/;
}

# 2. SSL 핸드셰이크 실패(400/ERR_SSL) 해결을 위한 핵심 헤더
location / {
    proxy_pass https://192.168.0.250:8443;
    
    # Mailcow가 보낸 사람이 누구인지 알게 함 (SSL 인식의 핵심)
    proxy_set_header Host $host;
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header X-Forwarded-Proto $scheme;

    # SSL 통신 오류 방지용 설정
    proxy_ssl_server_name on;  # <--- 이 설정이 ERR_SSL 오류를 잡는 핵심입니다!
    proxy_ssl_name $host;
}

    proxy_set_header Host $host;
    proxy_set_header X-Forwarded-Scheme $scheme;
    proxy_set_header X-Forwarded-Proto  $scheme;
    proxy_set_header X-Forwarded-For    $remote_addr;
    proxy_set_header X-Real-IP		$remote_addr;

    proxy_pass       https://192.168.0.250:8443;

    

    # Asset Caching
  include conf.d/include/assets.conf;

    
  # Block Exploits
  include conf.d/include/block-exploits.conf;

    

    



    
    proxy_set_header Upgrade $http_upgrade;
    proxy_set_header Connection $http_connection;
    proxy_http_version 1.1;
    
  }





  # Custom
  include /data/nginx/custom/server_proxy[.]conf;
}