mod_headers module allows you to set headers in Apache web server. Here’s how to enable mod_headers in Apache web server in Ubuntu/Debian/Redhat/CentOS/Fedora.
mod_headers
How to Set Apache Header Conditionally
Did you know you can set apache header conditionally? Here’s how to set request and response headers based on specific conditions.
How to Enable mod_headers in Apache Ubuntu
mod_headers allows you to set response headers in Apache web server. Here’s how to enable mod_headers in Apache Ubuntu. You can use it to install mod_headers in Debian/Ubuntu.