Overview
VideO:
Video Overview
In this lab, students will enumerate hosts on the network using various tools.
This lab includes the following tasks:
- 1 - Setting up the network
- 2 - Enabling services and configuring firewall rules
- 3 - Testing the firewall
You should be aware of the common terms that are relevant within the “Configuring Access Control Lists on a Linux-Based Firewalls” lab to successfully complete it.
Courses
Key terms and descriptions
Iptables
a command line tool that allows you to create firewall rules.
route add
This command allows you to add a default gateway on a Linux system.
netstat
This command will allow you to view active TCP and UDP connections.
NAT
Network Address Translation will allow internal hosts to reach the external network through a single IP address. Most firewalls can be configured to perform NAT.
nmap
The command will allow you to check for open TCP and UDP ports.