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Cybersecurity / Featured Blogs

An Interview with the Lead Developer of SPF - Part I

CircleID recently interviewed Meng Weng Wong, the lead developer of Sender Policy Framework (SPF) and founder of Pobox.com. As one of the leading anti spam authentication schemes, SPF is used by companies such as AOL, Earthlink, SAP and supported by anti spam companies such as Sophos, Symantec, Brightmail, IronPort, Ciphertrust, MailArmory, MailFrontier, Roaring Penguin Software, and Communigate Pro. Last month, Microsoft announced its agreement to merge Caller ID, its own proposed anti spam authentication scheme, with SPF -- the joint standard is called 'Sender ID'. In this two-part interview, Meng Wong explains how SPF got started, where it is today and what could be expected in the future of email. more

DNS WHOIS: Barking Up the Wrong Tree

As the Internet has grown and matured, it has become obvious to everyone involved that the DNS Whois system, as it currently exists, is not a sustainable way to share contact information for resolving network problems. ICANN, in an attempt to save DNS Whois, has plunged head long into the process of developing new policies aimed at fixing it. While I respect all of the hard work that has gone into this process, the results thus far have only made it clearer that this system faces intractable problems. more

Phone Always Busy? Must be DDoS on VoIP Network

Amidst the fascinating news from the SCO saga, preparing for SANS London and contributing to the Unix timeline project at Grokline my eyes caught a piece of rather distressing news on the BBC. It appears that BT (British Telecom) intends to move its current phone network to an IP-based network by 2009 thereby sending the circuit-switched technology off to the attic. The real question is: can we guarantee the same level of reliability on VoIP as we had on circuit-switched telephony when the stated aim is to carry both voice and data traffic down the same cables (or fibres more likely)? more

Email Address Forgery

In my roles as postmaster at CAUCE (the Coalition Against Unsolicited Commercial E-mail) and abuse.net, I get a lot of baffled and outraged mail from people who have discovered that someone is sending out spam, often pornographic spam, with their return address on the From: line. "How can they do that? How do I make them stop?'' The short answers are "easily'' and "it's nearly impossible.'' more

An Economic Analysis of Domain Name Policy - Part III

"Competitive Bidding for new gTLDs" is the focus of part three of a three-part series based on a study prepared by Karl M. Manheim, Professor of Law at Loyola Law School and Lawrence B. Solum, Professor of Law at University of San Diego. Special thanks and credit to Hastings Communications and Entertainment Law Journal, Vol. 25, p. 317, 2004. ...When new radio frequencies become available for commercial use, federal law requires that licenses be auctioned off to the highest qualified bidder. The FCC does a reasonably good job in designing and conducting spectrum auctions. They are often familiar in format, not much different than found for consumer goods on eBay. In other cases, such as with "Simultaneous Multiple-Round" or "combinatorial bidding," the auction design is fairly complex. Because of complexity in these cases, the FCC sponsors periodic conferences on auction theory and seminars on auction mechanics for potential bidders. more

The Launch of .pro Domain for Professionals

From 5 April to 14 May 2004 trade mark owners can apply in the .pro domain for defensive registrations corresponding to their marks. The .pro domain is only available to doctors, lawyers and CPAs during this period, known as a "sunrise period". ...During the period when the creation of ten new generic domains is being discussed, it seems timely to wonder whether the multiplicity of generic extensions is not killing the specificity inherent of each of them. In addition, having a "sunrise period" for this new domain might be perceived by trade mark owners as an invitation to spend money rather than as a measure aimed at protecting their intellectual property rights. more

New TLD Public Comments: Jumping-to-Conclusions?

Having been involved in the whole TLD issue since its inception, back in the ancient history of the mid-1990's, one would think that nothing would surprise me anymore. As it turns out, however, watching the comments on ICANN's public comment list with respect to the new sTLD proposals, I find that I'm taken-back by some of the kinds of comments I'm seeing. more

Governments and Governance

A United Nations task force recently held a two-day workshop on the question of who governs the Internet. U.N. Secretary General Kofi Annan challenged those of us present to ensure that the Internet and the World Wide Web support "the cause of human development."
Following in the long-standing tradition of skepticism about governments in the Internet community, some in the technical community and the Internet's chattering classes view the concerns expressed by the United Nations and countries such as Brazil, India and others, as a threat to the operation of the Internet itself. This article was originally published at CNET News.Com on April 6, 2004. more

UN Global Forum on Internet Governance

More than 200 leaders from government, business and civil society attended the Global Forum on Internet Governance, held on 25 and 26 March 2004 and organized by the United Nations Information and Communication Technologies (ICT) Task Force. The forum, held at United Nations Headquarters in New York, was intended, according to a UN press release, "to contribute to worldwide consultations to prepare the ground to a future Working Group on Internet Governance to be established by Secretary-General Kofi Annan, which is to report to the second phase of the World Summit on the Information Society (Tunis, 2005)". more

ICANN and Iraq: Suffering Along

I thought of ICANN yesterday when reading about the devolution of the Iraqi Governing Council, which managed to unite for just a moment to approve a constitution with about the half-life of lutetium. ICANN and the IGC: two institutions put in charge of ill-behaved constituencies and stuck in chronic failure mode. Could anything be learned by examining them at arm's length? Indeed, different as they are, their histories contain several common elements... more