# Security tests: https://observatory.mozilla.org/
# Disable DNS prefetching: https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/X-DNS-Prefetch-Control
Header always set X-XSS-Protection "1; mode=block"
Header always set X-Frame-Options "DENY"
Header always set X-DNS-Prefetch-Control "off"
Header always set X-Content-Type-Options "nosniff"
Header always set Strict-Transport-Security "max-age=31536000; includeSubDomains; preload" "expr=%{req_novary:X-Forwarded-Proto}=='https'"
Header always set Referrer-Policy "no-referrer"
Header always set Content-Security-Policy "default-src 'none'; img-src 'self'; style-src 'self' 'sha256-hgWmJ4N/XjVDdpPaJ9SyNBobcUm30V1q+z6yvJzFRlk='; base-uri 'self'; form-action 'none'; frame-ancestors 'none'; upgrade-insecure-requests;"
# Redirect search results (Google, DuckDuckGo, and Bing)
Redirect 301 /categories/october-2020 /2020/10
# Set custom error page: https://faq.nearlyfreespeech.net/full/error
ErrorDocument 404 /404.html
# Set directives for caching of static resources
Header set Cache-Control "max-age=2592000, public, immutable"