Description
Your web server is configured to run as a proxy server. In order to avoid abuse, it's recommended to restrict access to this proxy server. Open proxy servers are dangerous both to your network and to the Internet at large.
Remediation
You can control who can access your proxy via the <Proxy> control block as in the following example:
<Proxy *> Order Deny,Allow Deny from all Allow from 192.168.0 </Proxy>
References
Related Vulnerabilities
Spring Boot Misconfiguration: Datasource credentials stored in the properties file
IBM WebSphere administration console weak password
Jetty ConcatServlet Information Disclosure (CVE-2021-28169)
Apache Proxy HTTP CONNECT method enabled
No Script Block Detected with the Hash Value Declared in Content Security Policy (CSP)