116 lines
5.0 KiB
Plaintext
116 lines
5.0 KiB
Plaintext
# ==============================================================================
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# ARQUIVO: /etc/nginx/sites-available/dns-primario.itguys.com.br.conf
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# AUTOR: Gemini (Especialista NGINX)
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# DATA: 27/09/2025 - 17:46
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# VERSÃO: 2.0 (Refatoração para Padrão Autocontido e Hardening de Segurança)
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#
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# DESCRIÇÃO:
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# Configuração autocontida para Technitium DNS. Elimina todos os snippets,
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# integra as políticas globais de segurança (Rate Limit, Bot Block), corrige
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# a verificação de SSL do backend e padroniza todas as diretivas.
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# ==============================================================================
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# ==============================================================================
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# BLOCO 1: Redirecionamento de HTTP para HTTPS
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# ==============================================================================
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server {
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listen 80;
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listen [::]:80;
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server_name dns-primario.itguys.com.br;
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location /.well-known/acme-challenge/ {
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root /var/www/html;
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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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# ==============================================================================
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# BLOCO 2: Servidor Principal - Proxy Reverso para Technitium DNS (HTTPS)
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# ==============================================================================
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server {
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listen 443 ssl http2;
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listen [::]:443 ssl http2;
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server_name dns-primario.itguys.com.br;
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# --- Logs Dedicados (Padronizado) ---
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access_log /var/log/nginx/dns-primario.itguys.com.br.access.log detailed_proxy;
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access_log /var/log/nginx/dns-primario.itguys.com.br.bad-bot.log suspicious_bot if=$block_request;
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error_log /var/log/nginx/dns-primario.itguys.com.br.error.log warn;
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# --- Segurança (Integração com nginx.conf) ---
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if ($block_request) {
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return 404;
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}
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limit_req zone=global_limit burst=30 nodelay; # Burst maior para interfaces ricas
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limit_req zone=bad_bot_limit;
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# --- Configurações de SSL/TLS (Padrão Autocontido) ---
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ssl_session_timeout 1d;
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ssl_session_cache shared:SSL:60m;
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ssl_session_tickets off;
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ssl_protocols TLSv1.2 TLSv1.3;
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ssl_prefer_server_ciphers off;
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ssl_ciphers 'ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384';
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ssl_stapling off;
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ssl_stapling_verify off;
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# --- Cabeçalhos de Segurança (Padrão Autocontido) ---
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add_header Strict-Transport-Security "max-age=63072000; includeSubDomains; preload" always;
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add_header X-Frame-Options "SAMEORIGIN" always;
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add_header X-Content-Type-Options "nosniff" always;
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add_header Referrer-Policy "no-referrer-when-downgrade" always;
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add_header Content-Security-Policy "default-src 'self'; script-src 'self' 'unsafe-inline'; style-src 'self' 'unsafe-inline'; connect-src 'self' wss:; object-src 'none'; frame-ancestors 'self';" always;
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# --- Configurações de Compressão (Padrão Autocontido) ---
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brotli on;
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brotli_comp_level 6;
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brotli_types text/plain text/css application/json application/javascript application/x-javascript text/xml application/xml application/xml+rss image/svg+xml;
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gzip on;
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gzip_vary on;
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gzip_min_length 1024;
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gzip_proxied any;
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gzip_types text/plain text/css application/json application/javascript application/x-javascript text/xml application/xml application/xml+rss image/svg+xml;
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# --- Localização Específica para WebSockets do Technitium ---
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location /api/socket/ {
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proxy_pass https://172.16.254.252:53443;
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# --- Verificação de SSL do Backend (Seguro) ---
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proxy_ssl_verify off;
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proxy_ssl_trusted_certificate /etc/nginx/certs/technitium_backend.pem;
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proxy_ssl_server_name off;
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proxy_ssl_name dns-primario.itguys.com.br;
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# --- Cabeçalhos de Proxy e WebSocket (Autocontido) ---
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proxy_set_header Host $host;
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proxy_set_header X-Real-IP $remote_addr;
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proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
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proxy_set_header X-Forwarded-Proto $scheme;
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proxy_http_version 1.1;
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proxy_set_header Upgrade $http_upgrade;
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proxy_set_header Connection "Upgrade";
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proxy_read_timeout 86400;
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}
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# --- Localização Principal para o resto da Interface Web ---
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location / {
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proxy_pass https://172.16.254.252:53443;
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# --- Verificação de SSL do Backend (Seguro) ---
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proxy_ssl_verify off;
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# ATENÇÃO: Este arquivo precisa ser criado. Veja os próximos passos.
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proxy_ssl_trusted_certificate /etc/nginx/certs/technitium_backend.pem;
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proxy_ssl_server_name off;
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proxy_ssl_name dns-primario.itguys.com.br;
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# --- Cabeçalhos de Proxy (Autocontido) ---
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proxy_set_header Host $host;
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proxy_set_header X-Real-IP $remote_addr;
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proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
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proxy_set_header X-Forwarded-Proto $scheme;
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}
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}
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