Linux Network Security - Page 68

Discover Network Security News

Configuring a FreeBSD Access Point for your Wireless Network

data:image/svg+xml,%3Csvg%20xmlns=%22http://www.w3.org/2000/svg%22%20viewBox=%220%200%20100%20100%22%3E%3C/svg%3E

This article describes how to configure a PC running FreeBSD to serve as an access point (AP) for your wireless network. This FreeBSD access point does not need to be a server or desktop machine. Indeed, many people recommend using an . . .

Anthony Pell
Apr 11, 2002

Scottish ISP floored as DDoS attacks escalate

Most of the customers of Edinburgh business ISP edNET were left without Internet services yesterday after it experienced a serious distributed denial of service (DDoS) attack. edNET began to experience what it described in an email to users as a "catastrophic network failure" at around 8am yesterday.. . .

Anthony Pell
Apr 10, 2002

Network security tips for managers

Network Security has become an important part of today's IT staffs. However, there is a small part of it that needs to be a part of everybody's understanding that works with computers that attach to the Internet. I will review some . . .

Anthony Pell
Apr 05, 2002

RTFM: WLan security part 1

In the first of a two-part series looking at security issues facing wireless Lan technology, David Ludlow looks into the lengths that crackers will go to when they are trying to infiltrate your network. We've all seen the reports and news . . .

Anthony Pell
Apr 04, 2002

Take these precautions against inside security attacks

The biggest single threat to your IT operation is someone you probably know by name. Think about it. Who knows better how to penetrate your systems--a hacker or someone down the hall who already has access to your systems? . . .

Anthony Pell
Apr 03, 2002

Dsniff 'n the Mirror -- PDF Version

Argh. Thanks to Chris Longo for pointing out the bad link. Fixed. The popular article by Duane Dunston featured on LinuxSecurity.com recently has now been made available in the form of PDF, due to requests from users. "This is a practical step by step guide showing how to use Dsniff, MRTG, IP Flow Meter, Tcpdump, NTOP, and Ngrep, and others. It also provides a discussion of how and why we should monitor network traffic.". . .

Duane Dunston
Apr 02, 2002

XML Security Risks

Data contained in XML tags needs to be secured in transit over the Internet, just like any other transaction. SSL and HTTPS are sufficient for most transactions, and companies routinely add their own further encryption for the stuff that really needs . . .

Anthony Pell
Apr 02, 2002

Tales of a White Hat War Driver

... how secure is this technology? What kinds of problems will IT staff encounter? One type of problem gaining national attention is called "war driving," in which a hacker can use a laptop computer to drive around and, like tuning in radio stations, can seek out personal information on wireless networks.. . .

Anthony Pell
Apr 01, 2002

Wireless LANs Security

A nice resource of links to articles on wireless networking security. "LAN 802.11 benefits and applications have recently gained enthusiastic acceptance in workplaces where mobility is essential. Concurrently, however, WLAN security has been compromised and where security is most critical, WiFi . . .

Anthony Pell
Mar 29, 2002

Your Web Server Is Not A Good Hiding Place

The sad truth is that if you keep sensitive files on any Web server, you are inviting people to view or copy those files. And not just Web servers, either. FTP servers can also be indexed by automated scanning tools, similar to Web indexing robots. The worst offenders so far have been e-commerce sites, where it is common to find database files with credit card info.. . .

Anthony Pell
Mar 29, 2002

Exclusive: hackers make chop suey of wireless security

According to underground culture, the staple diet of hackers is Jolt cola and Ramen noodles. But the food could be could be picked up for free after hackers discovered a gaping security hole in the network of noodle house Wagamama. vnunet.com . . .

Anthony Pell
Mar 28, 2002

A hacker's dreamland: wireless networks

Should you be concerned about wireless security? Yes, at least according to Chris O'Ferrell, chief technology officer of wireless technology company Netsec. He says you should ask any organization you see using a wireless network--including your bank, the airports you visit, . . .

Anthony Pell
Mar 27, 2002

Connect the Dots

If you're an IT security practitioner, a phalanx of intricately aligned defense mechanisms are at your disposal. Your perimeter defense strategy comprises firewalls, routers and intrusion-detection systems. You're running intrusion-prevention software on key machines, with host-based intrusion-detection systems watching their backs. . . .

Anthony Pell
Mar 26, 2002

Introduction to Intrusion Protection and Network Security

In this introduction to protecting your computers from intrusion, the author discusses concepts of computer security. Selecting good passwords, using firewalls, and other security concepts are introduced. If your computer is not connected to any other computers and doesn't have . . .

Anthony Pell
Mar 23, 2002

Security: Oh, that vulnerable feeling

There is no doubt that the Internet has brought unparalleled connectivity to computers, especially in the last few years. But ironically, this very advantage has also been the bane of hundreds of corporations, all of which critically depend on these connections . . .

Anthony Pell
Mar 14, 2002

New Attack Intercepts Wireless Net Messages

A group of security researchers has discovered a simple attack that enables them to intercept Internet traffic moving over a wireless network using gear that can be picked up at any electronics store and an easily downloadable piece of freeware. The . . .

Anthony Pell
Mar 13, 2002

Flaw weakens Linux computers

A flaw in a software-compression library used in all versions of Linux could leave the lion's share of systems based on the open-source operating system open to attack, said sources in the security community on Monday. Several other operating systems that . . .

Anthony Pell
Mar 11, 2002

Best Computer Security Method Overlooked By Industry

A team of Penn State and Iowa State researchers has tested and rated three "smart" classification methods capable of detecting the telltale patterns of entry and misuse left by the typical computer network intruder. They found that one, called "rough sets," . . .

Anthony Pell
Mar 08, 2002

Wireless: In the Air Tonight

So what has this taught us? Once again, the lesson is Security in Depth. Different teachers, different textbook, same lesson. More and more wireless networks are being deployed everyday, but I don't think that there is a corresponding increase in security . . .

Anthony Pell
Mar 07, 2002

SwitchSniff

For those who think switched Ethernet environments are sniff-proof, the author offers this warning. Switches may be difficult to sniff, but they are certainly not immune. As is clear from the above sections, one method of sniffing in a switched environment is using ARP spoofing, and the machine that will most probably be ARP spoofed is the gateway.. . .

Anthony Pell
Mar 05, 2002

Linux Network Security - Page 68

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