Version disclosure in headers and response : Security threat

Version disclosure in headers and response is a security threat that occurs when a web server reveals its software version in the HTTP response header. This information can help an attacker gain a greater understanding of the systems in use and potentially develop further attacks targeted at the specific version of the software.

To prevent version disclosure, you can modify the HTTP response header of the target application to not disclose detailed information about the underlying web server. For example, if you are using ASP.NET, you can apply the following changes to your web.config file:

This will remove the X-AspNet-Version from HTTP responses and use custom error pages instead of the default ones.

You can also use tools like Nmap or Qualys to scan your web server for version disclosure and other vulnerabilities.