Firewall Policies And VPN Configurations by Laura E. Hunter

By Laura E. Hunter

The safety supplied by means of firewalls and VPNs is simply as powerful because the protocol ideas and regulations that you simply create. The options of "defense-in-depth" and "least privilege" are in basic terms holes on your perimeter ready to be exploited, except you could outline and preserve protocol principles that let merely the minimal protocols required to supply your considered necessary companies. This ebook offers basic details essential to configure firewalls and construct VPNs and DMZs to outlive the risks of present day net. The publication encompasses a bonus bankruptcy from the better half website on utilizing airy to watch and examine community site visitors. whenever you may perhaps now think beaten via the numerous firewalls with a dizzying array of positive factors, you'll suppose empowered via the information won from this ebook. This ebook covers the major firewall items. It describes in undeniable English what positive aspects may be managed through a coverage, and walks the reader throughout the steps for writing the coverage to slot the target. as a result of their vulnerability and their complexity, VPN guidelines are lined in additional intensity with a number of assistance for troubleshooting distant connections. items lined contain Cisco pics Firewall, ISA Server 2004, payment aspect NGX, Juniper'?s NetScreen Firewalls, SonicWall, and Nokia.

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Many companies are hiring compliance officers whose primary job is to manage corporate compliance. If your company has a compliance officer, make sure he or she is a member of your IT project team, at least during the definition phase, when you’re developing your functional and technical requirements, since these are often the method by which compliance occurs. We’ve included a short list here with a few Web site links, but it’s not exhaustive; you should seek legal advice regarding regulatory and compliance requirements for your firm if you don’t have a knowledgeable and experienced compliance officer in place.

Looking at the relative importance of your company’s information is a good starting point, because you need to find the right balance between security and information criticality. You need to define the various systems you have in place and look at how information flows through your organization to understand the infrastructure you’re trying to protect. Finally, you need to create an initial assessment of scope to define what is and is not included in your project. You’ll find that this is a common theme throughout most security texts, because there’s no point in securing something no one wants.

Briefly, the structure of the policy should include the following: ■ Introduction In this section, you should state the purpose of this policy. What is the objective of the policy? Why it is important to the organization? These are the basic requirements. Typically, you will see the word should in these statements. ■ Standards In this section, you should detail the standards for implementing and deploying the selected controls. ” NOTE Remember that any type of traffic that takes place on your network should be defined somewhere within your network policy.

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