A cybersecurity analyst needs to harden a server that is currently being used as a web server. The server needs to be accessible when entering www.company.com into the browser. Additionally, web pages require frequent updates, which are performed by a remote contractor. Given the following output:

Which of the following should the cybersecurity analyst recommend to harden the server? (Choose two.)

A. Uninstall the DNS service
B. Perform a vulnerability scan.
C. Change the server's IP to a private IP address.
D. Disable the Telnet service.
E. Block port 80 with the host-based firewall.
F. Change the SSH port to a non-standard port.