Linux Network Security - Page 53

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Wireless security problem

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WIRELESS computer networks may be a big security problem for companies large and small. Many businesses do not have enough protection to stop invasion from hackers and others logging into their systems to surf the internet. While most wireless network breaches . . .

Anthony Pell
Nov 26, 2003

When will wireless networks be secure?

Uncertainty about the technology remains so great that many big businesses are still reluctant to install wireless systems throughout their offices. But while perceptions are hard to change, progress is being made. A new standard is in development that should ease . . .

Anthony Pell
Nov 26, 2003

ISPs take on DDoS attacks

Although the number and intensity of distributed denial-of-service attacks are on the rise, users are hard-pressed to find tangible new services to help thwart or defend against such assaults.. . .

Anthony Pell
Nov 24, 2003

SSL: Not So Secure For Network Security

The omnipresent SSL (Secure Socket Layer) which is supposed to offer a secure channel to transmit sensitive data across the Internet, may actually be opening up a gaping hole in your network security. This was the surprising bit of information was . . .

Anthony Pell
Nov 24, 2003

Central Control: Let's Get it Together

Until recently, systems and security management have usually been seen as separate disciplines. While large framework vendors paid lip service in marketechture visions of deeply integrated security with the rest of systems and application management, this vision never materialized at a practical ops level.. . .

Anthony Pell
Nov 20, 2003

Reviews: SSL VPNs

More and more companies are letting staffers work remotely. In fact, the number of U.S. employees who work remotely at least one day per month has increased by nearly 40 percent since 2001, according to a recent study conducted by The . . .

Anthony Pell
Nov 19, 2003

Updated: Traffic Control HOWTO

Traffic control is the name given to the sets of queuing systems and mechanisms by which packets are received and transmitted on a router. This includes deciding which (and whether) packets to accept at what rate on the input of an . . .

Anthony Pell
Nov 18, 2003

Wireless LANs: Are they worth the trouble?

he large-scale WLAN installations expected soon will change the way users access networks. However, it will also open doors to new security threats. In an environment of heightened IT security concerns, this is an urgent issue to be addressed by Wi-Fi . . .

Anthony Pell
Nov 18, 2003

VPN's: IPSec vs. SSL

By implementing a VPN, a company can provide access to the internal private network to clients around the world at any location with access to the public Internet. It erases the administrative and financial headaches associated with a traditional leased line wide-area network (WAN) and allows remote and mobile users to be more productive. . . .

Anthony Pell
Nov 17, 2003

Security tops networking priority list

According to a recent survey conducted by SearchNetworking.com, security products are at the top of many networking pros' wish lists. Forty-seven percent of respondents to SearchNetworking.com's 2003 Networking Report Card survey said that network security would be among the initiatives . . .

Anthony Pell
Nov 14, 2003

Securing Your Wireless Networks

Wireless security has had more than its fair share of bad press. The failure of the wired equivalent privacy (WEP) encryption standard to withstand hacking attacks did nothing to help the situation. And doubts linger over its successor, the Wi-Fi . . .

Anthony Pell
Nov 13, 2003

Experts: Wireless network risk overhyped

When Gunderson High School launched its wireless network this fall, some parents were alarmed. Would a hacker be able to break into student laptops? View sensitive information stored on district servers? Tamper with grades? Cliff Herlth, the tech resource teacher, assured . . .

Anthony Pell
Nov 13, 2003

Security by design beats ‘retro-fitting’

Corporate network security is increasingly becoming a design consideration rather than a matter of "retro-fitting" security appliances and software, according to industry consultants. Alphawest's national business continuity manager Tim Smith said the company has seen a new trend this year . . .

Anthony Pell
Nov 13, 2003

Attacking the DNS Protocol

DNS is a heavily used protocol on the Internet yet has numerous security considerations. This paper whilst containing nothing new on DNS security brings together in one document many strands of DNS security which has been published and reported in many . . .

Anthony Pell
Nov 12, 2003

Security Switches on Track

"The first question I'm asked--always--is do I need a firewall and an IDS and an IPS? If I buy an IPS, can I get rid of either my firewall or IDS?" says Hart Rossman of SAIC, a research and engineering company . . .

Anthony Pell
Nov 12, 2003

Passphrase Flaw Exposed in WPA Wireless Security

A research paper posted online warns of holes in the latest WiFi (or 802.11) wireless cryptography protocol and outlines how WiFi Protected Access (WPA) can be compromised using a traditional network assault known as a dictionary attack. The paper, written . . .

Anthony Pell
Nov 12, 2003

Wi-Fi Starts Leaping Security Barriers

As wireless networks prove their worth at work, companies are buying new products and services that help remove the worry of open access Six months ago, Al Fitzpatrick sat at his desk in a skyscraper in Atlanta's Buckhead district and wondered . . .

Anthony Pell
Nov 11, 2003

SSL market heats up

The market is heating up for products that allow secure access to corporate networks based on a widely used browser-security technology known as secure sockets layer encryption. Cisco Systems became the latest company to introduce a virtual private network (VPN) product . . .

Anthony Pell
Nov 11, 2003

Latest Wireless Standard May Be Less Secure

A paper written by a security expert claims the new Wi-Fi Protected Access (WPA) security standard may be less secure, in certain scenarios, than the wireless standard it was designed to replace. . .

Anthony Pell
Nov 11, 2003

The quest for better wireless security

Wireless communication has dramatically changed the way people work and interact. Unfortunately, the wireless era also continues to be plagued by insufficient security, and both corporations and users are being put at risk. To be sure, cell phones, personal digital assistants . . .

Anthony Pell
Nov 10, 2003

Linux Network Security - Page 53

Harnessing Proxies for Enhanced Threat Intelligence: A Guide with Open Source Tools

Understanding HTTP Proxy Servers: A Vital Linux Network Security Tool

Exploring Vulnerability Scanners: Tools & Strategies for a Secure Network