Designing and Building Enterprise DMZs by Ido Dubrawsky (Editor)

By Ido Dubrawsky (Editor)

This can be the one e-book on hand on development community DMZs, that are the cornerstone of any sturdy firm defense configuration. It covers market-leading items from Microsoft, Cisco, and payment Point.One of the main complex parts of community expertise is designing, making plans, imposing, and consistently keeping a demilitarized area (DMZ) phase. This publication is split into 4 logical elements. First the reader will examine the recommendations and significant layout ideas of all DMZs. subsequent the reader will how you can configure the particular that makes up DMZs for either newly developed and current networks. subsequent, the reader will how you can securely populate the DMZs with platforms and prone. The final a part of the ebook offers with troubleshooting, preserving, checking out, and imposing protection at the DMZ. ?· the one ebook released on community DMZs at the parts of securing firm networks?· this is often the one publication on hand on construction community DMZs, that are the cornerstone of any strong firm safeguard configuration. It covers market-leading items from Microsoft, Cisco, and payment Point?· presents special examples for development firm DMZs from the floor up and retro-fitting current infrastructures

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5 at a m i n i m u m as you design your D M Z and firewall blocking rules from external networks. 5 Common Ports to Block Protocol Port Service Name TCP 636 LDAP over SSL/TLS TCP/UDP TCP 1433, 1434 MS SQL Server 3268 AD Global Catalog TCP TCP 3269 3389 AD Global Catalog over SSL Windows Terminal Server ICMP N/A Internet Control Messaging Protocol (ICMP) The OSI Model While we are reviewing the basics prior to designing our D M Z structure, we should also look briefly at the basis for traffic flow in our networks and how the data is transported and delivered from host to host.

Regardless, understand 33 34 Chapter 1 9DMZ Concepts, Layout, and Conceptual Design that you must analyze the need and deploy the choices based on a proper design that provides the required service but still remains secure. VPN DMZ Design Concepts VPN usage has grown during the past few years. Many organizations embraced the possibility of VPN use as a method to communicate securely from remote offices. This led to a surge of connectivity that was requested in order to allow home "teleworkers" to perform their job functions without entering the secured environs of the actual workplace and its network.

DMZ Concepts, Layout, and Conceptual Design 9 Disregard for physical security of equipment/network 9 Configuration errors 9Chapter 1 Are all these risks to data relevant to the DMZ? Although it's possible that not all will relate directly to the consideration of your D M Z and its implementation, we'll see that the overall planning required for the D M Z and its design must incorporate overall, systematic security planning. Thus, we must consider all these potential problem areas as risks when we plan to provide protection for the data sources in our systems.

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