Headers Security
low Severity
Free Check
Server Information Disclosure
Checks if Server or X-Powered-By headers reveal software versions (e.g. Apache/2.4.41, PHP/7.4.3), aiding attacker reconnaissance.
Why It Matters
Advertising exact web server versions helps attackers search CVE databases for unpatched vulnerabilities.
How We Check This
We inspect the Server and X-Powered-By response headers for version numbers and framework identifiers.
How to Fix & Implement
Copy-paste configuration blocks tailored for your web server or edge proxy.
nginx snippet
server_tokens off; # /etc/nginx/nginx.conf
Frequently Asked Questions
Is hiding server banners true security?
It is defense-in-depth: it stops automated bot scans from targeting known version exploits.