OpenDNS provides added safety for free
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You can be a bit safer on the Internet using OpenDNS rather than the DNS servers from your ISP.
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OK, we had an extended breather from our last look at BIND's zone file pri.example.org. It's time to finish up and get a sense of what these records mean. To go off-topic a little, recently, I had the task of setting up two OpenLDAP servers and putting together a test environment for a project with several developers and several applications including some LAMP applications. Without a working knowledge of DNS, the project would have gone amuck.
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headisdead writes &quot;This BBC report has details of the IOSN&#39;s (International Open Source Network) role in yesterday&#39;s Software Freedom Day.
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Every security professional is intimately familiar with the Law of Unintended Consequences; sometimes it even works in their favor. Case in point? The data-protection advances that RxHub needed to build to protect their real-time data-transport operation.
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If you run a site that has tons of files for your users to download (or even just a few) that you want to keep safe from a direct link, this new article from the O'Reilly PHP DevCenter might be just what you're looking for.
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Traditionally, many IT specialists have seen networks as an open channel. They allow an infinite variety of devices to communicate, and the best networks make communication simple, free, and instantaneous -- like the air we breathe. Back in the early days of the Internet, shell accounts were gratis for the asking. Few people used passwords. It was an easy and altruistic era.
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Single Packet Authorization fills the gaps in port knocking.
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A virus infection points up the dangers of making it all too easy for visitors to get onto the company network, Mathias Thurman finds.
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By James Derk Scripps Howard News Service  If you weren't worried enough about the security of your home computer and network, it may be time to step it up.
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Comment is free: Indra Adnan: Social networking has turned relationships that were easy to distinguish into one amorphous web.
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Blog: Home networking tools are added to the service.
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roundup Free-roaming source code breeds new Netsky pest. Also: From IE to Opera, browsers are a likely prey.
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AT&amp;T has added worm and virus protection to its Internet Protect service network-based firewall. The service now helps businesses protect themselves from a variety of threats without
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Whether you've got a home network, small network, enterprise network or anything in between, these 10 freebies can make it more secure, run better and easier to manage. They're useful, easy to learn ... and they don't cost a thing.
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Safend, an international provider of endpoint i
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TechWeb - New Secure Connector feature gives remote users secure network-level access, including access to business applications, data, and network services.
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Security researchers have released code showing how a pair of widely used technologies could be misused to take control of a victim&#39;s Web browsing experience.The code, published over the weekend by researchers Adrian Pastor and Petko Petkov, exploits features in two technologies: The UPnP (Universal Plug and Play) protocol, which is used by many operating systems to make it easier for them to work with devices on a network, and Adobe Systems&#39; Flash multimedia software.By tricking a victim into viewing a malicious Flash file, an attacker could use UPnP to change the primary DNS server used by the router to find other computers on the Internet. This would give the attacker a virtually undetectable way to redirect the victim to fake Web sites. For example, a victim with a compromised router could be taken to the attacker&#39;s Web server, even if he typed Citibank.com directly into the Web browser navigation bar.&quot;The most malicious of all malicious things is to change the primary DNS server,&quot; the researchers wrote. &quot;That will effectively turn the router and the network it controls into a zombie which the attacker can take advantage of whenever they feel like it.&quot;Because so many routers support UPnP, the researchers believe that &quot;99 percent of home routers are vulnerable to this attack.&quot;In fact, many other types of UPnP devices, such as printers, digital entertainment systems, and cameras are also potentially at risk, they added in a Frequently Asked Questions Web page explaining their research.The attack is particularly worrisome because it is cross-platform -- any operating system that supports Flash is susceptible -- and because it is based on features of UPnP and Flash, not bugs that could be easily fixed by Adobe or the router vendors.Users could avoid this attack by turning UPnP off on their routers, where it is normally enabled by default, but this would cause a variety of popular applications, such as IM software, games, and Skype, to break and require manual configuration on the router.Adobe could make changes to Flash to mitigate the problem, but attackers could most likely also launch this attack using another technique, known as DNS pinning, said Aviv Raff, a researcher who has also blogged about the attack.&quot;This is a critical issue,&quot; he said in an IM interview. &quot;People should turn off UPnP in their devices, and vendors should put UPnP disabled by default in the devices they deliver.&quot;Although this could make life difficult for nontechnical users, Raff believes it would be worth the effort. &quot;It&#39;s better than having your traffic owned by malicious people,&quot; he said.However, another security expert said that turning off UPnP would be overkill, considering that online criminals have not even begun using this attack. &quot;Look... if you get hit by a meteor, it&#39;s devastating,&quot; said Roger Thompson, chief research officer with Grisoft. &quot;But no one goes around building meteor shelters.&quot;