Firewalls For Dummies

Author: Brian Komar
Publisher: John Wiley & Sons
ISBN: 9780764544286
Category : Computers
Languages : en
Pages : 428

Book Description
What an amazing world we live in! Almost anything you can imaginecan be researched, compared, admired, studied, and in many cases,bought, with the click of a mouse. The Internet has changed ourlives, putting a world of opportunity before us. Unfortunately, ithas also put a world of opportunity into the hands of those whosemotives are less than honorable. A firewall, a piece of software orhardware that erects a barrier between your computer and those whomight like to invade it, is one solution. If you’ve been using the Internet for any length of time,you’ve probably received some unsavory and unsolicitede-mail. If you run a business, you may be worried about thesecurity of your data and your customers’ privacy. At home,you want to protect your personal information from identity thievesand other shady characters. Firewalls ForDummies® will give you the lowdown onfirewalls, then guide you through choosing, installing, andconfiguring one for your personal or bus iness network. Firewalls For Dummies® helps youunderstand what firewalls are, how they operate on different typesof networks, what they can and can’t do, and how to pick agood one (it’s easier than identifying that perfect melon inthe supermarket.) You’ll find out about Developing security policies Establishing rules for simple protocols Detecting and responding to system intrusions Setting up firewalls for SOHO or personal use Creating demilitarized zones Using Windows or Linux as a firewall Configuring ZoneAlarm, BlackICE, and Norton personalfirewalls Installing and using ISA server and FireWall-1 With the handy tips and hints this book provides, you’llfind that firewalls are nothing to fear – that is,unless you’re a cyber-crook! You’ll soon be able tokeep your data safer, protect your family’s privacy, andprobably sleep better, too.

Building Internet Firewalls

Author: Elizabeth D. Zwicky
Publisher: "O'Reilly Media, Inc."
ISBN: 0596551886
Category : Computers
Languages : en
Pages : 897

Book Description
In the five years since the first edition of this classic book was published, Internet use has exploded. The commercial world has rushed headlong into doing business on the Web, often without integrating sound security technologies and policies into their products and methods. The security risks--and the need to protect both business and personal data--have never been greater. We've updated Building Internet Firewalls to address these newer risks. What kinds of security threats does the Internet pose? Some, like password attacks and the exploiting of known security holes, have been around since the early days of networking. And others, like the distributed denial of service attacks that crippled Yahoo, E-Bay, and other major e-commerce sites in early 2000, are in current headlines. Firewalls, critical components of today's computer networks, effectively protect a system from most Internet security threats. They keep damage on one part of the network--such as eavesdropping, a worm program, or file damage--from spreading to the rest of the network. Without firewalls, network security problems can rage out of control, dragging more and more systems down. Like the bestselling and highly respected first edition, Building Internet Firewalls, 2nd Edition, is a practical and detailed step-by-step guide to designing and installing firewalls and configuring Internet services to work with a firewall. Much expanded to include Linux and Windows coverage, the second edition describes: Firewall technologies: packet filtering, proxying, network address translation, virtual private networks Architectures such as screening routers, dual-homed hosts, screened hosts, screened subnets, perimeter networks, internal firewalls Issues involved in a variety of new Internet services and protocols through a firewall Email and News Web services and scripting languages (e.g., HTTP, Java, JavaScript, ActiveX, RealAudio, RealVideo) File transfer and sharing services such as NFS, Samba Remote access services such as Telnet, the BSD "r" commands, SSH, BackOrifice 2000 Real-time conferencing services such as ICQ and talk Naming and directory services (e.g., DNS, NetBT, the Windows Browser) Authentication and auditing services (e.g., PAM, Kerberos, RADIUS); Administrative services (e.g., syslog, SNMP, SMS, RIP and other routing protocols, and ping and other network diagnostics) Intermediary protocols (e.g., RPC, SMB, CORBA, IIOP) Database protocols (e.g., ODBC, JDBC, and protocols for Oracle, Sybase, and Microsoft SQL Server) The book's complete list of resources includes the location of many publicly available firewall construction tools.

DSL for Dummies

Author: David Angell
Publisher: For Dummies
ISBN: 9780764504754
Category : Computers
Languages : en
Pages : 364

Book Description
An introduction to Digital Subscriber Lines, the affordable, easy-to-install, and increasingly popular way to establish lightning-quick Internet access. David Angell prepares large and small organization, telecommuters, and IT professionals to take advantage of this new technology.

Network Security For Dummies

Author: Chey Cobb
Publisher: John Wiley & Sons
ISBN: 1118085337
Category : Computers
Languages : en
Pages : 422

Book Description
A hands-on, do-it-yourself guide to securing and auditing a network CNN is reporting that a vicious new virus is wreaking havoc on the world’s computer networks. Somebody’s hacked one of your favorite Web sites and stolen thousands of credit card numbers. The FBI just released a new report on computer crime that’s got you shaking in your boots. The experts will tell you that keeping your network safe from the cyber-wolves howling after your assets is complicated, expensive, and best left to them. But the truth is, anybody with a working knowledge of networks and computers can do just about everything necessary to defend their network against most security threats. Network Security For Dummies arms you with quick, easy, low-cost solutions to all your network security concerns. Whether your network consists of one computer with a high-speed Internet connection or hundreds of workstations distributed across dozens of locations, you’ll find what you need to confidently: Identify your network’s security weaknesses Install an intrusion detection system Use simple, economical techniques to secure your data Defend against viruses Keep hackers at bay Plug security holes in individual applications Build a secure network from scratch Leading national expert Chey Cobb fills you in on the basics of data security, and he explains more complex options you can use to keep your network safe as your grow your business. Among other things, you’ll explore: Developing risk assessments and security plans Choosing controls without breaking the bank Anti-virus software, firewalls, intrusion detection systems and access controls Addressing Unix, Windows and Mac security issues Patching holes in email, databases, Windows Media Player, NetMeeting, AOL Instant Messenger, and other individual applications Securing a wireless network E-Commerce security Incident response and disaster recovery Whether you run a storefront tax preparing business or you’re the network administrator at a multinational accounting giant, your computer assets are your business. Let Network Security For Dummies provide you with proven strategies and techniques for keeping your precious assets safe.

Firewalls and Internet Security

Author: William R. Cheswick
Publisher: Addison-Wesley Professional
ISBN: 9780201634662
Category : Computers
Languages : en
Pages : 466

Book Description
Introduces the authors' philosophy of Internet security, explores possible attacks on hosts and networks, discusses firewalls and virtual private networks, and analyzes the state of communication security.

Network Warrior

Author: Gary A. Donahue
Publisher: "O'Reilly Media, Inc."
ISBN: 1449309356
Category : Computers
Languages : en
Pages : 786

Book Description
Pick up where certification exams leave off. With this practical, in-depth guide to the entire network infrastructure, you’ll learn how to deal with real Cisco networks, rather than the hypothetical situations presented on exams like the CCNA. Network Warrior takes you step by step through the world of routers, switches, firewalls, and other technologies based on the author's extensive field experience. You'll find new content for MPLS, IPv6, VoIP, and wireless in this completely revised second edition, along with examples of Cisco Nexus 5000 and 7000 switches throughout. Topics include: An in-depth view of routers and routing Switching, using Cisco Catalyst and Nexus switches as examples SOHO VoIP and SOHO wireless access point design and configuration Introduction to IPv6 with configuration examples Telecom technologies in the data-networking world, including T1, DS3, frame relay, and MPLS Security, firewall theory, and configuration, as well as ACL and authentication Quality of Service (QoS), with an emphasis on low-latency queuing (LLQ) IP address allocation, Network Time Protocol (NTP), and device failures

Networking All-in-One Desk Reference For Dummies

Author: Doug Lowe
Publisher: John Wiley & Sons
ISBN: 0764559079
Category : Computers
Languages : en
Pages : 866

Book Description
An essential one-stop resource-nine convenient minibooks in a single 840page volume-for network administrators everywhere This value-priced package includes sections on networking basics, building a network, network administration, TCP/IP and the Internet, wireless and home networking, Windows 2000 and 2003 servers, NetWare 6, Linux networking, and Mac OS X networking Written by the author of the perennial bestseller Networking For Dummies (0-7645-1677-9), this massive reference covers all the topics that administrators routinely handle Provides key information, explanations, and procedures for configuration, Internet connectivity, security, and wireless options on today's most popular networking platforms

JUNOS For Dummies

Author: Michael Bushong
Publisher: John Wiley & Sons
ISBN: 0470421096
Category : Computers
Languages : en
Pages : 411

Book Description
If you’re in charge of a network, you’re probably aware that the only time anyone notices the network is when it goes down. With JUNOS software and JUNOS For Dummies, a friendly book to help you set it up and manage the software, you might be able to start convincing your clients to believe in magic. Here’s the help you need for switching, routing, security, interface configuration, and more. Now, you can go inside JUNOS software and understand everything you need to know about operating a network with JUNOS. You’ll learn how the control plane handles packet delivery and establishes traffic policies and see how a single network operating system can add stability and reliability while saving administrative time. Plus, you’ll find out how to set up a routing protocol that automates configuration of routing tables for greater efficiency and how you can set up individual or group user accounts locally on the route, or on remote centralized authentication servers. By the time you finish this book, you’ll know how to: Work with the JUNOS network operating system Set up and configure a Juniper router Connect, manage, and troubleshoot routers and other Juniper appliances Make your network more efficient Configure JUNOS default security features as well as restricted physical access to protect routers Solve hardware, software, interface, and router problems Integrate JUNOS with other systems Complete with lists of the most useful commands, IOS-JUNOS command conversions, and the best place to seek additional help, JUNOSFor Dummies is your one-stop guide to getting started with and mastering JUNOS.

Computer Security and the Internet

Author: Paul C. van Oorschot
Publisher: Springer Nature
ISBN: 3030336492
Category : Computers
Languages : en
Pages : 381

Book Description
This book provides a concise yet comprehensive overview of computer and Internet security, suitable for a one-term introductory course for junior/senior undergrad or first-year graduate students. It is also suitable for self-study by anyone seeking a solid footing in security – including software developers and computing professionals, technical managers and government staff. An overriding focus is on brevity, without sacrificing breadth of core topics or technical detail within them. The aim is to enable a broad understanding in roughly 350 pages. Further prioritization is supported by designating as optional selected content within this. Fundamental academic concepts are reinforced by specifics and examples, and related to applied problems and real-world incidents. The first chapter provides a gentle overview and 20 design principles for security. The ten chapters that follow provide a framework for understanding computer and Internet security. They regularly refer back to the principles, with supporting examples. These principles are the conceptual counterparts of security-related error patterns that have been recurring in software and system designs for over 50 years. The book is “elementary” in that it assumes no background in security, but unlike “soft” high-level texts it does not avoid low-level details, instead it selectively dives into fine points for exemplary topics to concretely illustrate concepts and principles. The book is rigorous in the sense of being technically sound, but avoids both mathematical proofs and lengthy source-code examples that typically make books inaccessible to general audiences. Knowledge of elementary operating system and networking concepts is helpful, but review sections summarize the essential background. For graduate students, inline exercises and supplemental references provided in per-chapter endnotes provide a bridge to further topics and a springboard to the research literature; for those in industry and government, pointers are provided to helpful surveys and relevant standards, e.g., documents from the Internet Engineering Task Force (IETF), and the U.S. National Institute of Standards and Technology.

Networking For Dummies

Author: Doug Lowe
Publisher: John Wiley & Sons
ISBN: 1119748682
Category : Computers
Languages : en
Pages : 480

Book Description
Set up a secure network at home or the office Fully revised to cover Windows 10 and Windows Server 2019, this new edition of the trusted Networking For Dummies helps both beginning network administrators and home users to set up and maintain a network. Updated coverage of broadband and wireless technologies, as well as storage and back-up procedures, ensures that you’ll learn how to build a wired or wireless network, secure and optimize it, troubleshoot problems, and much more. From connecting to the Internet and setting up a wireless network to solving networking problems and backing up your data—this #1 bestselling guide covers it all. Build a wired or wireless network Secure and optimize your network Set up a server and manage Windows user accounts Use the cloud—safely Written by a seasoned technology author—and jam-packed with tons of helpful step-by-step instructions—this is the book network administrators and everyday computer users will turn to again and again.