Invision Power Board v4 Nginx configuration file for use with Centminmod.

IPB4_Centminmod.conf

# IPB4 Working NGINX site conf file
# Tested on IPB 4.3+ and Centminmod 123.09beta01
# This file is for a FORCED SSL site.  Non-SSL requests will be directed to SSL.
# Replace domain.com with your IP address or domain name.

# IPv6 is now included.
# Replace IPv4 and IPv6 with the actual addresses.

# Information gathered from
# Centminmod.com / Information pulled from multiple guides.  Thx eva2000!
# Makoto on IPB Forum via https://community.invisionpower.com/topic/384522-how-to-set-up-a-secure-ipboard-installation-with-nginx-and-php-fpm/ version 3.4.8 guide.
# Base building forum thread:  https://community.centminmod.com/threads/ipb-v4-1-x-files.4922/
# Anyone else not mentioned who helped modify and create this file:  Thanks!

# Generate your own vhost config for Centmin Mod at https://centminmod.com/vhost.php

# REDIRECT TO HTTPS FROM PORT 80
# REDIRECT FROM WWW TO NON-WWW WITH FORCED SSL
server {
    server_name domain.com www.domain.com;
    return 301 https://domain.com$request_uri;

    # ERROR LOGS VIA 80
    access_log /home/nginx/domains/domain.com/log/access_via80.log combined buffer=256k flush=5m;
    error_log /home/nginx/domains/domain.com/log/error_via80.log;
    }
server {
    listen 443 ssl http2 reuseport;
    server_name www.domain.com domain.com;

    # ADDED CNAME ENTRY IN CF FOR WWW TO NON-WWW.
    # Will re-direct any SSL requests for www to non-www
    # https://centminmod.com/nginx_domain_dns_setup.html#httpsredirect
    if ($host = 'www.domain.com' ) {
        return 301 https://domain.com$request_uri;
    }

    # SSL CERTS
    ssl_dhparam /usr/local/nginx/conf/ssl/domain.com/dhparam.pem;
    ssl_certificate      /usr/local/nginx/conf/ssl/domain.com/domain.com.crt;
    ssl_certificate_key  /usr/local/nginx/conf/ssl/domain.com/domain.com.key;
    include /usr/local/nginx/conf/ssl_include.conf;

    # CLOUDFLARE AUTHENTICATED ORIGIN PULL CERT
    # community.centminmod.com/threads/13847/
    ssl_client_certificate /usr/local/nginx/conf/ssl/cloudflare/domain.com/origin.crt;
    ssl_verify_client on;

    http2_max_field_size 16k;
    http2_max_header_size 32k;

    # DUAL CERT SUPPORTED SSL CIPHERS
    ssl_ciphers TLS13-AES-128-GCM-SHA256:TLS13-AES-256-GCM-SHA384:TLS13-CHACHA20-POLY1305-SHA256:TLS13-AES-128-CCM-8-SHA256:TLS13-AES-128-CCM-SHA256: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:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA:ECDHE-RSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA:DHE-RSA-AES256-SHA256:DHE-RSA-AES256-SHA:ECDHE-ECDSA-DES-CBC3-SHA:ECDHE-RSA-DES-CBC3-SHA:EDH-RSA-DES-CBC3-SHA:AES128-GCM-SHA256:AES256-GCM-SHA384:AES128-SHA256:AES256-SHA256:AES128-SHA:AES256-SHA:DES-CBC3-SHA:!DSS;
    ssl_prefer_server_ciphers   on;
    
    # DEVELOPMENT SITE HEADER
    # add_header  X-Robots-Tag "noindex, nofollow, nosnippet, noarchive";

    # before enabling HSTS line below read centminmod.com/nginx_domain_dns_setup.html#hsts
    add_header Strict-Transport-Security "max-age=31536000; includeSubdomains;";
    # add_header X-Frame-Options "SAMEORIGIN";
    add_header X-Xss-Protection "1; mode=block" always;
    add_header X-Content-Type-Options "nosniff" always;
    # add_header Referrer-Policy "strict-origin-when-cross-origin";
    # spdy_headers_comp 5;
    ssl_buffer_size 1369;
    ssl_session_tickets on;

    # ERROR LOGS VIA 443
    access_log /home/nginx/domains/domain.com/log/access_via443.log combined buffer=256k flush=5m;
    error_log /home/nginx/domains/domain.com/log/error_via443.log;

    # PAGESPEED
    # include /usr/local/nginx/conf/pagespeed.conf;
    # include /usr/local/nginx/conf/pagespeedhandler.conf;
    # include /usr/local/nginx/conf/pagespeedstatslog.conf;

    # CMM AUTOPROTECT
    include /usr/local/nginx/conf/autoprotect/domain.com/autoprotect-domain.com.conf;

    # ROOT LOCATION OF PROJECT
    root /home/nginx/domains/domain.com/public;

    # CLOUDFLARE
    # Uncomment cloudflare.conf include if using cloudflare for server and/or vhost site.
    include /usr/local/nginx/conf/cloudflare.conf;

    # CENTMIN MOD MAINTENANCE PAGES
    include /usr/local/nginx/conf/503include-main.conf;

    # DEVELOPMENT / SITE LOCKDOWN
    # location ~ ^/ {
    #     auth_basic "Private";
    #     auth_basic_user_file /usr/local/nginx/conf/htpasswd_main;
    #     include /usr/local/nginx/conf/php.conf;
    #     try_files    $uri $uri/ /index.php;
    # }

    # MASK FAKE ADMIN DIRECTORY
    # Must comment this during install.  Uncomment after you change the name of the admin directory.
    location ~^/admin/(.*)$ {
        deny all;
    }

    # SECURE REAL ADMIN DIRECTORY
    # Replace /your_admin_renamed_directory/ with your renamed directory.
    location ~ ^/some_catchy_admin_directory_name/.+\.php$ {
        auth_basic "Private";
        auth_basic_user_file /usr/local/nginx/conf/htpasswd_admin;
        include /usr/local/nginx/conf/php.conf;
    }
    location / {
        # MAINTENANCE PAGES
        include /usr/local/nginx/conf/503include-only.conf;

        # BLOCK COMMON EXPLOITS / SQL INJECTIONS / ETC.
        include /usr/local/nginx/conf/block.conf;

        # Enables directory listings when index file not found
        # autoindex  on;

        # Shows file listing times as local time
        # autoindex_localtime on;

        # Prohibit index.php from being called directly
        try_files $uri $uri/ /index.php?$args;
    }

    # IP.BOARD API
    location /api/ {
        # MAINTENANCE PAGES
        # include /usr/local/nginx/conf/503include-only.conf;

        # block common exploits, sql injections etc
        # include /usr/local/nginx/conf/block.conf;

        # Deny all access to API
        # deny all;

        try_files $uri $uri/ /api/index.php?$args;
    }


    # IP.BOARD PHP/CGI PROTECTION
    location ~ ^/uploads/.*\.(?:php\d*|phtml)$ {
        deny    all;
    }
    location ~ ^/datastore/.*\.(?:php\d*|phtml)$ {
        deny    all;
    }

    # DENY DOT FILES
    # Already included in the drop.conf = https://community.centminmod.com/posts/36444/

    # Id highly advise using the block bad bots
    # include /usr/local/nginx/conf/blockbots.conf;
    
    include /usr/local/nginx/conf/pre-staticfiles-local-domain.com.conf;
    include /usr/local/nginx/conf/pre-staticfiles-global.conf;
    include /usr/local/nginx/conf/staticfiles.conf;
    include /usr/local/nginx/conf/php.conf;
    include /usr/local/nginx/conf/drop.conf;
    include /usr/local/nginx/conf/errorpage.conf;
    include /usr/local/nginx/conf/vts_server.conf;
}