nginx.conf

server {
    server_tokens off;
    listen 443 default_server ssl http2;
    listen [::]:443 ssl http2;
    server_name cardsgo.ddns.net;

    ## OWASP 10017
    add_header Content-Security-Policy "default-src 'self'; img-src 'self'; style-src 'self' 'unsafe-inline' https://cdn.jsdelivr.net; font-src 'self'; object-src 'none'; script-src 'self' 'unsafe-inline' 'unsafe-eval' https://cardsgo.ddns.net/ https://cdn.jsdelivr.net https://cdn.jsdelivr.net;";
    add_header Strict-Transport-Security "max-age=63072000";
    
    ## OWASP 10020
    add_header X-Frame-Options sameorigin;

    ## OWASP 10021
    add_header X-Content-Type-Options nosniff;
    add_header X-XSS-Protection "0; mode=block";

    ## Bloquear SQL injections
    set $block_sql_injections 0;
    if ($query_string ~ "union.*select.*\(") {
        set $block_sql_injections 1;
    }
    if ($query_string ~ "union.*all.*select.*") {
        set $block_sql_injections 1;
    }
    if ($query_string ~ "concat.*\(") {
        set $block_sql_injections 1;
    }
    if ($block_sql_injections = 1) {
        return 403;
    }

    ## Bloquear file injections
    set $block_file_injections 0;
    if ($query_string ~ "[a-zA-Z0-9_]=http://") {
        set $block_file_injections 1;
    }
    if ($query_string ~ "[a-zA-Z0-9_]=(\.\.//?)+") {
        set $block_file_injections 1;
    }
    if ($query_string ~ "[a-zA-Z0-9_]=/([a-z0-9_.]//?)+") {
        set $block_file_injections 1;
    }
    if ($block_file_injections = 1) {
        return 403;
    }

    ## Bloquear exploits comuns
    set $block_common_exploits 0;
    if ($query_string ~ "(<|%3C).*script.*(>|%3E)") {
        set $block_common_exploits 1;
    }
    if ($query_string ~ "GLOBALS(=|\[|\%[0-9A-Z]{0,2})") {
        set $block_common_exploits 1;
    }
    if ($query_string ~ "_REQUEST(=|\[|\%[0-9A-Z]{0,2})") {
        set $block_common_exploits 1;
    }
    if ($query_string ~ "proc/self/environ") {
        set $block_common_exploits 1;
    }
    if ($query_string ~ "mosConfig_[a-zA-Z_]{1,21}(=|\%3D)") {
        set $block_common_exploits 1;
    }
    if ($query_string ~ "base64_(en|de)code\(.*\)") {
        set $block_common_exploits 1;
    }
    if ($block_common_exploits = 1) {
        return 403;
    }

    ## Bloquear user agents
    set $block_user_agents 0;

    if ($http_user_agent ~ "Wget") {
        set $block_user_agents 1;
    }

    if ($http_user_agent ~ "Indy Library") {
        set $block_user_agents 1;
    }

    # Hoggers comuns de largura de banda e ferramentas de hacking.
    if ($http_user_agent ~ "libwww-perl") {
        set $block_user_agents 1;
    }
    if ($http_user_agent ~ "GetRight") {
        set $block_user_agents 1;
    }
    if ($http_user_agent ~ "GetWeb!") {
        set $block_user_agents 1;
    }
    if ($http_user_agent ~ "Go!Zilla") {
        set $block_user_agents 1;
    }
    if ($http_user_agent ~ "Download Demon") {
        set $block_user_agents 1;
    }
    if ($http_user_agent ~ "Go-Ahead-Got-It") {
        set $block_user_agents 1;
    }
    if ($http_user_agent ~ "TurnitinBot") {
        set $block_user_agents 1;
    }
    if ($http_user_agent ~ "GrabNet") {
        set $block_user_agents 1;
    }

    ## Block spam -> Achei na net
    set $block_spam 0;
    if ($query_string ~ "\b(ultram|unicauca|valium|viagra|vicodin|xanax|ypxaieo)\b") {
        set $block_spam 1;
    }
    if ($query_string ~ "\b(erections|hoodia|huronriveracres|impotence|levitra|libido)\b") {
        set $block_spam 1;
    }
    if ($query_string ~ "\b(ambien|blue\spill|cialis|cocaine|ejaculation|erectile)\b") {
        set $block_spam 1;
    }
    if ($query_string ~ "\b(lipitor|phentermin|pro[sz]ac|sandyauer|tramadol|troyhamby)\b") {
        set $block_spam 1;
    }
    if ($block_spam = 1) {
        return 403;
    }

    if ($block_user_agents = 1) {
        return 403;
    }

    ## SSL
    location /.well-known/acme-challenge/ {
        root /var/www/certbot;
    }
    ssl_certificate /etc/nginx/ssl/live/cardsgo.ddns.net/fullchain.pem;
    ssl_certificate_key /etc/nginx/ssl/live/cardsgo.ddns.net/privkey.pem;

    location / {
        proxy_pass http://cardsgo:5000/;
        proxy_set_header Host "cardsgo.ddns.net";
    }
}
server {
    listen 80;
    listen [::]:80;

    server_name cardsgo.ddns.net cardsgo.ddns.net;
    server_tokens off;

    ## OWASP 40035
    location /.hg {
        return 404;
    }
    location /.bzr {
        return 404;
    }
    location /._darcs {
        return 404;
    }
    location /BitKeeper {
        return 404;
    }
    location /latest/meta-data/ {
        return 404;
    }

    location /.well-known/acme-challenge/ {
        root /var/www/certbot;
    }

    location / {
        return 301 https://cardsgo.ddns.net$request_uri;
    }
}