assume that a company has set up a firewall at its main router to seperate its internal networ kfrom the public internet. A file server,
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A firm has the following firewall policy: Employee access to Internet servers should be unrestricted, and external clients should only be able to access the firm's public web server, http://www.pukanui.com. The firm also has a finance server that should only be accessible to people in the finance department. The server and the finance department are all on the internal subnet 10.5.4.3. The firm has a single large site. How would you implement this policy? Create both a firewall architecture and ACLs for the border firewall for both internal and external connection-opening attempts.
Akash M.
Suppose management wants to create a Server Farm for the configuration in the following figure that allows a proxy firewall in the DMZ to access an internal Web server (rather than a Web server in the DMZ). Do you foresee any technical difficulties in deploying this architecture? What are the advantages and disadvantages of this implementation? Demilitarized zone (DMZ) Servers Trusted network Controlled access Proxy access Untrusted network External filtering router Internal filtering router
Supreeta N.
Background A start-up company decides to build its own information system infrastructure to host a web server and a file server for staff home directories. The system has planned as described by the following diagram. It has two internal networks deployed at two locations interconnected by a router that serves as a gateway to Internet as well. The web server and staff desktop(s) are connected to one internal network called intnet-1 and file server is connected to the other called intnet-2. The subnets and IP addresses are proposed as indicated in the diagram. Task: Your task is to implement this plan by building the system and configure the system and networks including the router to meet the following requirements. i. The router, web and file servers will use Ubuntu Linux 18.04 server as operating systems while the staff desktop will use Ubuntu Linux 18.04 desktop. This is to be simulated with virtual machines using Oracle VirtualBox manager. The host names are router, web, files and desktop as indicated in the diagram. Use your email ID as the username for all machines. ii. The IP addresses will be statically configured as assigned in the diagram except those of the Adapter 1 of the router and the gateway to the outside network/Internet that are assigned automatically via the built-in DHCP server on the VirtualBox virtualisation platform. iii. The router server will serve as a NAT router to outside network/Internet and a router for internal networks. It also hosts a DNS service for the domain mycompany.com for the company internal networks. The company needs to access the web server as www.mycompany.com, the DNS server as dns.mycompany.com and the file server as home.mycompany.com. iv. The web server will host an Apache2 web service. The document root is /www that is mounted to a dataset called /webpool/doc from the ZFS pool webpool made from a VDEV of 2 disks in a
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