Linux Network Security - Page 80

Discover Network Security News

DoS alarm sounded over server flaw

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Known as a resource-deprivation attack, Internet data sent in a certain way could cause servers to crash under an artificial avalanche of data. Security consultant BindView Corp. has announced that a widespread flaw in the way that servers handle Internet traffic . . .

Anthony Pell
Dec 02, 2000

E-security still a problem, says report

Almost a third of UK companies experience a complete network crash at least once every 12 weeks, according to a new study. A quarter of companies say they've lost critical data because of virus attacks, and 16 per cent say that, . . .

Anthony Pell
Dec 01, 2000

An Introduction to Incident Handling

Incident handling is a generalized term that refers to the response by a person or organization to an attack. An organized and careful reaction to an incident can mean the difference between complete recovery and total disaster. This paper will provide . . .

Anthony Pell
Nov 30, 2000

Why Can't IPsec and NAT Just Get Along?

Both IPsec and NAT have been with us for some time, but making them play together has been hard work. To IP gurus, NAT (Network Address Translation) is an ugly kludge because it changes the way IP works at a fundamental . . .

Anthony Pell
Nov 27, 2000

The New Peer-To-Peer Security Problems

The freely shared, open source, one-directory-fits-all model of the new peer-to-peer network scheme -- made popular by the rapid deployment of Napster and its descendants -- has given rise to a fresh wave of security concerns, some of them weirdly unique. . . .

Anthony Pell
Nov 27, 2000

Security Uncertainty

In the age of connectivity, security relies on a bunch of disconnected technologies: antivirus, firewalls, intrusion detection, systems management, access controls, encryption, etc. The biggest challenge for an application vendor like webMethods is to make these various layers of protection work . . .

Anthony Pell
Nov 26, 2000

How Secure Is Your Network?

Over the past year, we've been keeping a close eye on what has been hitting the news, and what hasn't, in the area of computer crime. Whether you obtain your security statistics from Web defacement mirrors, such as attrition. org, or . . .

Anthony Pell
Nov 24, 2000

Workers open back doors

Employees are the biggest threat to network security - and they don't even know it. Unauthorised equipment attached to a company network can, according to Robin Dahlberg, UK MD of Internet Security Systems, compromise the best efforts of a network . . .

Anthony Pell
Nov 23, 2000

Workers open back doors for hackers

Anthony Pell
Nov 22, 2000

Teleworking causes serious security threat

In the wake of the hack into Microsoft's network, many security administrators have turned their attention to what some believe is the greatest security challenge facing corporations: teleworkers. Network administrator at US firm SR Equipment Craig LaHote is . . .

Anthony Pell
Nov 21, 2000

XML security standards in the works

Two separate initiatives led by Netegrity Inc. and Securant Technologies Inc. are looking to develop an XML standard for moving security information--including authentication, authorization and user profiles--across disparate online trading systems.. . .

Anthony Pell
Nov 20, 2000

Freeware Port Scanners: Plug the Holes

It doesn't take long to figure out the security problem with these port technologies: If a port lets data flow out, it also lets data flow in. A port is essentially an opening into your computer, and it can be hacked. . . .

Anthony Pell
Nov 17, 2000

'Be secure or be sued' businesses warned

Businesses around the world are sitting on a legal powder keg by failing to adequately protect their servers from hacker intrusion. Nick Lockett, ecommerce lawyer at Sidley & Austin, said that sites which were used by hackers to launch distributed denial . . .

Anthony Pell
Nov 17, 2000

Paranoia Vs. Transparency And Their Effects On Internet Security

Lately, reactions to non-intrusive probes and network activity that is merely unexpected are becoming increasingly hostile; a result from increasing amounts of incidents and security threats. From my perspective of security, overreactions to activities not crossing authorization and legal boundaries, are . . .

Anthony Pell
Nov 16, 2000

Fighting the Rising Tide

This is a good article by Dave Dittrich, author of much of the general documentation/reports we have about DDoS. "DDoS was only the beginning. In the future, automated threats will continue to outstrip our ability to . . .

Anthony Pell
Nov 15, 2000

Emerging Technology: Online Bill Payment -- Not If But When

The Internet Bill Presentment and Payment app will power the shift from traditional billing to seamless electronic transactions. In this article, I'll investigate the parties and processes involved in Internet billing services for e-commerce. I'll also examine the importance of standards . . .

Anthony Pell
Nov 15, 2000

Foiling DNS Attacks

Most of us take DNS servers for granted. Here, in a continuing series on attacking and defending your own machines, I discuss how people attack DNS servers and what you can do to better your security. I answer these questions: How . . .

Anthony Pell
Nov 13, 2000

Building Your Own Honeypot

One trick favored by hunters since prehistoric times still proves useful in the world of digital networks: bait. Security specialists often construct systems that appear vulnerable to attack, but actually offer no access to valuable data, administrative controls, or other computers. . . .

Anthony Pell
Nov 11, 2000

PSINet cans spammer, pledges reforms

Attempting to distance itself from a spam controversy, PSINet cut off service to an admitted sender of unsolicited commercial email and pledged to amend its spam policy and educate its sales force. PSINet came under fire from anti-spam organizations after CNET . . .

Anthony Pell
Nov 09, 2000

Linux Networking, Part 6: Securing Your Network

The only sure way to lock down a PC is to disconnect it from any network and never load a program or a document file that supports macros. That is rather impractical especially when our goal is to . . .

Anthony Pell
Nov 08, 2000

Linux Network Security - Page 80

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