Welcome to Network Access Control For Dummies. It's a scary networking world out there, and this book
provides you with a working reference for understanding and deploying what type of network access
control (NAC) is best suited for your network and you.
Because you're holding this book, you already know that security issues exist out there — and you've
probably, maybe frantically, attempted to protect the network you're responsible for from the scenarios that
get printed on the front page....
This is a book about hacking. It’s not a novel about a set of elusive
cyberpunks, it’s a do-it-yourself manual. Are we trying to tell you how
to break into other people’s systems? No, we’re trying to help you
make your own systems more secure by breaking into them yourself.
Yes, this has the side effect that you might learn how to break into
someone else’s system as well, and therein lies much of the controversy
Orion Network Performance Monitor (Orion NPM) delivers comprehensive fault and network performance management that scales with rapid network growth and expands with your network monitoring needs, allowing you to collect and view availability and realtime and historical statistics directly from your web browser. While monitoring, collecting, and analyzing data from routers, switches, firewalls, servers, and any other SNMP-enabled devices, Orion NPM successfully offers you a simple-to-use, scalable network monitoring solution for IT professionals juggling any size network....
Administering Cisco QoS in IP Networks discusses IP Quality of Service (QoS) and
how it applies to Enterprise and Service Provider environments. It reviews routing
protocols and quality of service mechanisms available today on Cisco network
devices (routers, switches, etc.).This guide provides examples and exercises for a
hands-on experience to give you the background and necessary details to implement
these capabilities in your network today.
Often a security tool does exactly what you want, right out of the box. More frequently, you need to customize the tool to fit the needs of your network structure. Network Security Tools shows experienced administrators how to modify, customize, and extend popular open source security tools such as Nikto, Ettercap, and Nessus.
Longhorn, Windows Vista, and WindowsXP-sp2 that allow a computer administrator to develop and enforce compliance with health policies for network access and communication. NAP provides administrator-defined requirements for system health policy enforcement that help ensure computers connecting to a network or communicates on a network meet these policy requirements. NAP also provides an Application Programming Interface (API) to help administrators, developers and vendors enforce compliance with health policies for network
access and communication....
This chapter covers the actual process of sitting down and designing your OSPF network. The real process of putting the pen
to paper and the true process behind it is covered. It is this chapter's intention to take the mystery out of designing any type of
network. The concepts and steps discussed have universal application whether your network is BGP or OSPF; of course, the
latter is emphasized. Chapter 6, "Advanced OSPF Design Concepts," covered many of the commands necessary for
While I was writing this document a book "Hack Proofing Your Network" was released. I haven't been able to read it (dunno if its in print yet, and besides - everything takes a while to get to South Africa). I did however read the first chapter, as it is available to the public. In this chapter the author writes about different views on IT security - hackers, crackers, script kiddies and everything in between. I had some thoughts about this and decided that it was a good starting point for this document....
The objectives of this course are to introduce you to the fundamentals and benefits of using tcpdump
as a tool to analyze your network traffic. We’ll start with introducing concepts and output of
tcpdump. One of the most important aspects of using tcpdump is being able to write tcpdump filters
to look for specific traffic. Filter writing is fairly basic unless you want to examine fields in an IP
datagram that don’t fall on byte boundaries. So, that is why an entire section is devoted to the art of
Configuring and Testing Your Network. Learning Objectives
Upon completion of this chapter, you will be able to:
Define the role of the InternetworkOperating System (IOS).
Define the purpose of a configuration file.
Identify several classes of devices that have the IOS embedded.
Identify the factors contributing to the set of IOS commands available to a device.
Identify the IOS modes of operation.
Identify the basic IOS commands.
Compare and contrast the basic show commands.
If your household harbors more than one computer, you’ve probably wondered about home networking. Maybe you’ve gone so far as to start setting up a network and given up in frustration. Well, now you can relax. Home Networking All-In-One Desk Reference For Dummies has come to the rescue!
A network will make your life easier, and Home Networking All-In-One Desk Reference For Dummies makes it easier to create one.
An unauthorized DHCP server may either lease incorrect IP addresses to clients or negatively
acknowledging DHCP clients. Clients that obtain a configuration lease from the unauthorized
server can fail to locate valid domain controllers, preventing clients from successfully logging on
to the network. For the directory authorization process to work properly, it is necessary that the
first DHCP server introduced on to your network participate in the Active Directory service. The
server must be installed as either a domain controller or a member server.
The Oracle Advanced Networking Option is an optional product that provides
enhanced functionality to SQL*Net and Net8. Its set of features provides enhanced
security and authentication to your network and enables integration with a Distributed
Computing Environment (DCE). This guide provides generic information on
all these features of the Advanced Networking Option.
For information about installation of the Oracle Advanced Networking Option and
platform-specific details of the configuration and use of its features, refer also to
your Oracle platform-specific documentation....
Learning Objectives Learning Objectives Learning Objectives
Plan what network model to apply to your
Compare the differences between Windows
2000 Professional, Server, Advanced Server,
Explain Windows 2000 capabilities as a
server operating system
You just received another late evening page from the help desk. “I have a problem with my network access, it just doesn’t work!” What should you do next? Troubleshoot! Troubleshooting is a necessary part of supporting any network installation. Determining and repairing problems
can consume a lot of time, especially if you don’t know what to do or how to do it correctly and quickly. In this paper, I will explain how you might consider troubleshooting different problems that could exist in your network.
Reduce costs; increase revenues; satisfy customers—the tenets of service
providers as they balance today’s tenuous financial climate with the promise of
next-generation products and services. And as networks migrate and expand to
include more complex services, reliability and flexibility become even more vital
to their success. That is why digital system cross-connect (DSX) solutions remain
the best option for connecting network elements.
Upon completing this module, you will be able to:
Use the command-line interface to accurately determine network operational status and network performance
Manage operating system image files to maintain an accessible operating system file and according to best practices, given a network topology
Use Cisco IOS commands to manage device configuration files to reduce device downtime and according to best practices
Execute an add, move, or change so that the network functions in accordance with the new requirement, given a new network requirement...
To help ensure security, passwords should be used carefully. These recommendations will help protect your passwords:
• Never write down your password.
• Never share your password with anyone.
• Never use your network logon password for another purpose.
• Use different passwords for your network logon and the Administrator account on your computer.
• Change your network password every 60 to 90 days or as often as required in your specific environment.
• Change your password immediately if you think it has been compromised....