Insecure network services can be exposed if ports are open on a web server which is not necessary. Find out how you can fix the problem.

Vulnerability Information

Insecure network services can be exposed if ports are open on a web server which is not necessary. An attacker can scan the server for open ports and find possibly vulnerable services on the server. If the attacker detects insecure network services, it would be possible to exploit vulnerabilities in the service like buffer overflows or denial of service. This can lead to a compromised or not fully working webserver.

Guides

To prevent insecure network services from being exposed, it is important to identify all necessary services and open only ports used by these services. All other ports should be closed by setting up a firewall. Furthermore, if a service is not needed, it should be uninstalled to keep the attack surface as small as possible.

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