Being a network engineer you have different things which can be done to harden the security over a network router or a company Web Server. Explain the vulnerabilities of routers and the Web servers and remediation strategies which will make them more secure.

You are regarded as the network security technician for a large shoe manufacturer based in the Detroit, Mi. Your internetwork connects six buildings through fiber links. You have experienced numerous attacks on your corporate web server. The company CEO decides in order to pay for a firewall. Explain the filters you will implement within your firewall and note how you will test your firewall.