utilize UDP on ports 161 and 163 ( Granjal, Monteiro, & Silva, 2015 ). 5. Domain Name System (DNS): The DNS is a service that is tasked with the maintenance of the domain names of an internet network and also aids in the translation of IP addresses. Question #2 1. Bastion host: This is an instance that exists in the public subnet and is usually accessed via the SSH. One a device has been connected remotely to a network with
the bastion host, it operates as the jump server thus allowing the use of the SSH to enable logging in deeper into the virtual PC ( Fotiou, Trossen, & Polyzos, 2012 ). 2. DMZ: This is a logical/physical sub network that acts as the secure network between the internal network of an organization and the untrusted networks. It protects the local network. 1. Dual-homed firewall: This is a firewall application that acts as the first line of defense between a network that is considered trusted and other untrusted networks. 2. Screened host: This is network architecture with both external and internal routers. The external router provides separation between the external network and the perimeter of the network ( Wang et al., 2013 ). The internal router separates the network perimeter and the internal network.
- Fall '14
- IP address, Virtual private network