Closing Ports and Unnecessary Services

CompTIA Network + Domain:
Domain 3.0: Network Operations
Domain 4.0: Network Security

CompTIA Network + Objective:
Objective 3.4: Given a scenario, use remote access methods. 
Objective 4.3: Explain authentication and access controls.
Objective 4.4: Summarize common network attacks.

Overview

In this lab, you will secure the Windows Server by removing insecure and unneeded protocols. You will use Kali Linux to demonstrate the protocols that are open and how they are after they are disabled in Windows Server.

outcomes:

In this lab, you will learn to:

  1. Scan networks for open ports and services.
  2. Connecting to the open ports and services using Telnet and FTP.
  3. Closing unnecessary ports and services.
Courses

Key terms and descriptions

firewall
A firewall can block traffic or redirect traffic to hosts on the internal network. pfSense is an open source firewall that uses a BSD-based firewall.
SSH
Secure shell uses port 22 and encrypts traffic, which typically provides a terminal interface.
nmap
an open source and free scanner that allows you to determine open ports on a remote host
zenmap
a GUI port scanner that is a front end for the free and open source Nmap scanner
ping
an operating system utility that allows you to test for TCP/IP connectivity between hosts