Linux Network Security - Page 64

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Uncloaking Terrorist Networks

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We were all shocked by the tragic events of September 11, 2001. In the non-stop stream of news and analysis one phrase was continuously repeated - "terrorist network." Everyone talked about this concept, and described it as amorphous, invisible, resilient, and . . .

Anthony Pell
Sep 03, 2002

Who Goes There: An Introduction to On-Access Virus Scanning, Part One

By now, most savvy computer users have anti-virus software (AV) installed on their machines and use it as part of their regular computing routine. However, most average users do not know how anti-virus software works. This two-part series will offer a . . .

Anthony Pell
Sep 03, 2002

Catching wireless hackers in the act

A heavily monitored wireless network was quietly set up this summer to lure hackers and keep track of attacks. Science Applications International Corp. (SAIC) created the network to study the methods of wireless vandals. It is the first wireless version of . . .

Anthony Pell
Sep 03, 2002

Do Firewalls and IDS Create a False Sense of Internal Security?

In an effort to boost sales and generate revenue, one U.S. multinational energy company recently embraced the Internet to bolster external communication and internal collaboration. In addition to creating a corporate web site, the firm deployed hundreds of intranet applications for . . .

Anthony Pell
Aug 29, 2002

Network Security Risks Of Mergers Too Often Ignored

A major manufacturer buys an up-and-coming competitor. They combine financials, marketing goals, corporate strategies and computer networks. They throw parties. They hold press conferences and change corporate titles. The one thing they usually forget to do is align network security . . .

Anthony Pell
Aug 27, 2002

Why We Still Can't Stop Viruses

At this time last summer, Code Red had infected our servers, and SirCam had infiltrated our desktops, while Nimda was waiting in the wings for its entrance. In contrast, so far this summer there have been no major virus outbreaks; the . . .

Anthony Pell
Aug 23, 2002

Security Policies: Only As Good As The Audit

If you think you have a sound IT policy because your administrators clamor about the continual need to update security patches, you might want to think again. One way to answer all these crucial questions and gauge true security preparedness is to undertake an IT security policy audit. . .

Anthony Pell
Aug 21, 2002

Wireless Insecurity

Whether or not you've deployed wireless networks, they're a threat. Fight back with these eight steps. Take one look at the tangle of cables connecting the computer to its monitor, peripherals and printers, and it's not hard to imagine how someone thought "wireless." Sample the wireless 802.11b network (a.k.a. Wi-Fi and AirPort) in a café after crawling around on your hands and knees underneath your desk trying to find a live Ethernet port.. . .

Anthony Pell
Aug 21, 2002

Configuring IPsec/IKE on Solaris

The IP Security Protocol (IPsec) and the Internet Key Exchange (IKE) protocol are designed to permit system and network administrators the capability to protect traffic between two systems. These systems can be network devices or individual hosts. With the release of . . .

Anthony Pell
Aug 15, 2002

IP VPN: An Attractive Service

Service providers have various options in the way in which they can offer outsourced IP virtual private network (VPN) services to customers. The original service offerings were mostly customer premises equipment (CPE)-based. In such services, service providers deploy and manage . . .

Anthony Pell
Aug 14, 2002

Secure Infrastructure Design

This paper describes the fundamental components of infrastructure design, provides an overview of risk management concepts, and illustrates samples of network topologies. . . .

Anthony Pell
Aug 14, 2002

The Large-Scale Threat of Bad Data in DNS

Jason Coombs from forensics.org raises the "bad data" issue present in the way DNS works, and requests support to develop a solution. "With respect to DNS, and its eventual successor DNSSEC, it can no longer be tolerated by Internet users that the DNS makes no attempt to restrict the spread of "bad data". Existing RFC's need to be implemented properly, new operational procedures need to be developed, and bad software that contains DNS-based security bugs needs to be patched promptly by all vendors.". . .

Anthony Pell
Aug 14, 2002

Web Services Face New Risks

Convergence and security concerns will drive enterprise directory services adoption (2002+), reinforcing the need for identity management (2002-04). NOS upgrades, strong authentication, and higher demands for identity management will drive increasingly complex integration of multi-vendor/platform directory instances (2003+), resulting in more . . .

Anthony Pell
Aug 13, 2002

Secure Remote Workstations With Integrated VPNs

There's no question that remote workstations require protection from the increasing security threats present today. When a remote user connects to the corporate network via a VPN, a hacker gaining access to the remote computer could also potentially enter the corporate . . .

Anthony Pell
Aug 12, 2002

Addressing Teleworker Network Security Risks

RFG believes teleworkers accessing corporate resources via virtual private network (VPN) connections can potentially pose security risks beyond those presented by employees working on-site. IT executives should ensure that protective measures deployed to shield corporate systems from outside abuse or misuse . . .

Anthony Pell
Aug 10, 2002

Database Security Breaches On The Increase

Direct security breaches against databases appear to be on the rise, according to the recently released Summer 2002 Database Developers survey from research firm Evans Data. . .

Anthony Pell
Aug 07, 2002

One, Two, Three Factor Security?

People who access their work systems are the equivalent of people holding the keys to the company premises, this incurs responsibility. If that is widely known and respected, half the security battle. . .

Anthony Pell
Aug 07, 2002

Securing WLAN Links: Part 3

There's no escaping that WEP is a problem for WLAN designers. In the final part of this series, we'll layout some technology solutions that can help designers enhance security in WLAN systems. Depending on which side of the wireless LAN (WLAN) . . .

Anthony Pell
Aug 06, 2002

Securing WLAN Links: Part 2

The 802.11 specification has some clear authentication discrepancies that create security headaches for WLAN design engineers. In Part 2 of this series, we'll examine the 802.11 authentication mechanisms and the security problems they. . .

Anthony Pell
Aug 06, 2002

Securing Wireless Links: Part 1

Security concerns continue to take center stage in the wireless local-area networking (WLAN) sector. With adoption of wireless LAN (WLAN) systems continuing to increase, the threat of people sniffing in on these networks grows. And with the world in an uproar, . . .

Anthony Pell
Aug 06, 2002

Linux Network Security - Page 64

Linux Pentesting Distros: An Essential Tool for Strengthening Network Security

Enhancing Network Security with Linux Proxy Servers

OPNsense 24.7 'Thriving Tiger': Elevating Open-Source Network Security and Performance