World-Wide Trading (WWTC) is a large online broker firm in the Hong Kong. The trading company has a staff of 9,000 who are scattered around the globe. Due to aggressive growth in business, they want to establish a regional office in New York City. They leased the entire floor of a building on Wall Street. You were hired as the director of the IT Department. The President of the company asked you to set up the state of the art network by December 15, 2013. He shared with you the organizational structure and a list of the staff. You hired a consultant to test the network infrastructure and power requirement at WWTC office space. The consultant reported that the network infrastructure is solid and gigabit network can be set up on existing network wiring. Also, the existing power supply will meet their current and future demand. The President has reiterated these business goals.
On the basis of these business goals, you prepared a RFP to solicit a proposal for designing and implementing a fast, reliable and secure network.
The purpose of this Request for Proposal is to solicit from qualified vendors proposals for a
secure and fast network to ensure proper operation of the network.
To prepare a design for a state of the art network at the Wall Street location of World-Wide Trading.
Propose a Network design that solves the current security audit problems (see security sections), to meet business and technical goals.
Provide a modular, scalable and network.
Provide redundancy at building core layer and building distribution layer and access layer and at workstation level to avoid failure at one point. For Building Access layer provide redundant uplinks connection to Building Distribution layer.
Select appropriate Cisco switch model for each part of your enterprise campus model design from the Cisco Products Link, listed below and use the following assumptions in your selection process.
Selecting the Access layers switches:
Server farm switches
· Assume 6 NIC cards in each server and one NIC card uses one port of switch
· Dual processors and dual power supply
Propose an IP addressing redesign that optimizes IP addressing and IP routing (including the use of route summarization). Provide migration provision to IPv6 protocol in future.
Propose a High Level security plans to secure key applications and servers but encryption of all application is not acceptable. Develop security policy to stop sniffing and man-in-the-middle attack. Your security plan must be based on current industry standards. Multilayer security or defense-in-depth. (for detail see security appendix)
Integrate voice and data network to reduce cost. For dialing outside, the World-Wide Trading Company proposes a plan for 100% connectivity with a minimum number of outside lines. For telephone requirements, see the Organization Chart and Telephone Equipment Table.
Provide aggregate routing protocols with hierarchal IP scheme.
Centralize all services and servers to make the network easier to manage and more cost-effective.
Provide LAN speed minimum 100 MB and Internet speed minimum 54 MB.
Provide wireless network access to network users and guest users in limited area (Lobby and Conference room). In conference room and the lobby, the user will get a minimum 54 Mbps of bandwidth. (You can assume that site survey is done and no sources of interference or RF were discovered.)
Provide provisions for video conference and multicast services.
Standardize on TCP/IP protocols for the network. Macintoshes will be accessible only on guest notebook but must use TCP/IP protocols or the Apple Talk Filling Protocol (AFP) running on top of TCP.
Provide extra capacity at switches so authorized users can attach their notebook PCs to the network
Install DHCP software to support notebook PCs
The World-Wide Trading Company will use the following applications:
Associate will use the following Custom Applications
WWTC Security:
Although WTC has strong security requirements at other locations (see network diagram below), you will need to move to a significantly more secure network than WTC currently has available. At other places, lack of strong authentication, data confidentiality and separations between internal protected server and public server are principal areas that need to improve at this location.
Audit results of other locations identified the following problems
In order to address these audit findings, you decided to firm up security policies in these areas.
Internet Connectivity
Internet connectivity and any other unclassified network must be physically separate from the network
Classified Network
The classified network must be physically secure to prevent any access to the classified network’s data. Control should be put in place to prevent local users from removing data from the systems in any way. This includes removable media, AV recorders, pen and paper, and any form of printer.
All data transmitted on the classified network must be cryptographically protected throughout the network. All classified data must be centrally stored and secured in a physically separate area from the unclassified network.
WAN Connectivity
In addition to the cryptographic protections of the data within the classified network, all data crossing wide-area links should undergo another layer of cryptographic protection such as IPSec/VPN/SSL.
Public Servers
All public servers must configured HTTPS connections and accept all requests that are on valid IP addresses and pass through firewall. Server must ask some identity of the connecting party.
Site-to-site VPN tunnels
All devices must be mutually authenticated and cryptographic protection should be provided.
PSTN dial-up
Dial-up client must authenticate with username and OTP
User Education
All users should undergo periodic user awareness training program on network threats and good security practices.
Deliverables
These are only recommendations on the general approach you might take for this project.
1. Determine the most important assets of the company, which must be protected
2. Determine general security architecture for the company
3. Develop a list of 12specific policies that could be applied.
4. Write specific details along with the rationale for each policy
5. Review the written policies and select the 12 most important policies for inclusion in the Security Policy Document
6. Integrate and write up the final version of the Security Policy Document for submittal
7. Develop a High availability secure design for this locations addressing above considerations and mitigating 4 primary networks attacks categories mentioned below.
The Four Primary Attack Categories:
The following are the guidelines for security policies.
Security Policies:
The key components of security policies:
WWTC Active Directory Design
WWTC office at New York is largely autonomous and few IT personnel to take care of day-to-day IT support activities such as password resets troubleshoot virus problems. You are concerned about sensitive data store in this location. You want to deploy a highly developed OU structure to implement security policies uniformly through GPO automatically at all domains, OU, and workstations.
At this location Windows Server 2012 is required providing the following AD features:
· Use BitLocker encryption technology for devices (server and Work station) disc space and volume.
· Enables a BitLocker system on a wired network to automatically unlock the system volume during boot (on capable Windows Server 2012 networks), reducing internal help desk call volumes for lost PINs.
· Create group policies settings to enforce that either Used Disk Space Only or Full Encryption is used when BitLocker is enabled on a drive.
· Enable BranchCache in Windows Server 2012 for substantial performance, manageability, scalability, and availability improvements
· Implement Cache Encryption to store encrypted data by default. This allows you to ensure data security without using drive encryption technologies.
· Implement Failover cluster services
· Implement File classification infrastructure feature to provide automatic classification process.
· IP Address Management (IPAM) is an entirely new feature in Windows Server 2012 that provides highly customizable administrative and monitoring capabilities for the IP address infrastructure on a corporate network.
· Smart cards and their associated personal identification numbers (PINs) are an increasingly popular, reliable, and cost-effective form of two-factor authentication. With the right controls in place, a user must have the smart card and know the PIN to gain access to network resources.
· Implement Windows Deployment Services to enables you to remotely deploy Windows operating systems. You can use it to set up new computers by using a network-based installation.
Deliverables
Deliverables
· Create appropriate GPO and GPO policies and determine where they will be applied.
Reference:
WWTC Organization Chart
VP OPR, VP NW USA, VP SW USA, VP NE USA, VP SE USA, VP M USA
Table:-1 Equipment Inventory
Subnet |
Offices |
Telephone |
Devices |
Comment |
VP OPR |
VP OPR Office |
2 |
1 |
Work Stations |
CEO IT |
2 |
1 |
Work Stations |
|
CEO FIN |
2 |
1 |
Work Stations |
|
CEO HR |
2 |
1 |
Work Stations |
|
CEO IT’s Staff |
10 |
10 |
|
|
CEO FIN’s Staff |
20 |
20 |
|
|
CEO HR’s Staff |
20 |
20 |
|
|
|
|
|
|
|
VP NW USA, |
VP Office |
2 |
2 |
Work Stations |
|
Manager 1 |
2 |
2 |
Work Stations |
Manager 2 |
2 |
2 |
Work Stations |
|
Broker 1 |
2 |
2 |
|
|
Broker 2 |
2 |
2 |
|
|
Broker 3 |
2 |
2 |
|
|
Broker 4 |
2 |
2 |
|
|
Staff |
2 |
2 |
|
|
|
|
|
|
|
VP SW USA |
VP SW Office |
2 |
2 |
Work Stations |
|
Manager 1 |
2 |
2 |
Work Stations |
Manager 2 |
2 |
2 |
|
|
Broker 1 |
2 |
2 |
|
|
Broker 2 |
2 |
2 |
|
|
Broker 3 |
2 |
2 |
|
|
Broker 4 |
2 |
2 |
|
|
Staff |
2 |
2 |
|
|
|
|
|
|
|
|
|
|
|
|
VP NE USA |
VP NE Office |
2 |
2 |
Work Stations |
|
Manager 1 |
2 |
2 |
|
Manager 2 |
2 |
2 |
|
|
Broker 1 |
2 |
2 |
|
|
Broker 2 |
2 |
2 |
|
|
Broker 3 |
2 |
2 |
|
|
Broker 4 |
2 |
2 |
|
|
Staff |
2 |
2 |
|
|
|
|
|
|
|
VP SE USA |
VP SE Office |
2 |
2 |
|
|
Manager 1 |
2 |
2 |
|
Manager 2 |
2 |
2 |
|
|
Broker 1 |
2 |
2 |
|
|
Broker 2 |
2 |
2 |
|
|
Broker 3 |
2 |
2 |
|
|
Broker 4 |
2 |
2 |
|
|
Staff |
2 |
2 |
|
|
|
|
|
|
|
|
|
|
|
|
VP M USA |
VP M Offices |
2 |
2 |
|
|
Manager 1 |
2 |
2 |
|
Manager 2 |
2 |
2 |
|
|
Broker 1 |
2 |
2 |
|
|
Broker 2 |
2 |
2 |
|
|
Broker 3 |
2 |
2 |
|
|
Broker 4 |
2 |
2 |
|
|
Staff |
2 |
2 |
|
|
|
|
|
|
|
|
Printer |
|
20 |
At various offices. Exact location to be determined. |
|
Server |
|
40 |
These does not include DNS, DHCP, Domain Controller. Need to be determined by designer |
|
|
|
|
|
Note: WWTC is opening an office only at New York location. Please do not confuse Office holder’s title (VP NW USA) with the location.
WLC and AP ordering Guide
Table 4. Ordering Information for Cisco Wireless LAN Controllers
Please refer to the Cisco Wireless LAN Controller Ordering Guide supplement to learn when to add the following SKUs to track the deployment of voice and context-aware mobility applications.
Table 2. Cisco Aironet Indoor Rugged, Indoor, Wireless Mesh, and Outdoor Rugged Access Points
(Source: Curtsy Cisco Web site
WLC and AP Placement Templates
Suggested Placement Table Wireless Network
Building |
Access Point Requirements |
Wireless LAN Controller Requirements |
Total AP |
Total WLC |
Building |
|
|||
Lobby |
|
|
|
|
Cafeteria |
|
|
|
|
Conference room |
|
|
|
|
|
|
|||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Suggested Product Table (WLC)
WLC |
Cisco Part Number |
Quantity |
Cost |
Cisco 2100 Series Wireless LAN Controller |
AIR-WLC2106-K9 |
2 |
|
|
|
|
|
|
|
|
|
Suggested Product Table (AP)
AP |
Cisco Part Number |
Quantity |
Cost |
Cisco Aironet 1250 Series |
AIR-AP1252AG-x-K9: 802.11a/g/n-draft 2.0 2.4/5-GHz Modular Autonomous Access Point; 6 RP-TNC
|
20 |
|
|
|
|
|
|
|
|
|
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