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DNS Security, Stability, and Resiliency Update Added to APWG eCrime 2013 Agenda

The Antiphishing Working Group (APWG) will host its 10th anniversary meeting 16-19 September in San Francisco. The working agenda for eCrime 2013 continues a trend of focusing greater attention on abuses or misuses of DNS and registration services. During the two-day eCrime Congress, members and attendees will consider the evolution of crimeware, behavioral vulnerabilities and human factors that faciliate eCrime, the roles of Registrars, Registries and DNS in managing phishing attacks, public health approaches to managing eCrime, and reports of current counter-eCrime efforts and successes.

On 19 September, ICANN's Security Team will host a DNS Security, Stability, and Resiliency Update on policies and discussion topics of particular interest to the APWG members, including a review of the 2013 Registration Accreditation Agreement (RAA), a presentation on Abuse Recidivism in Domain Registrations, a report on the recommendations [PDF, 92 KB] from the ICANN Expert Working Group on Whois, and a progress report on the IETF working group that is developing a successor Whois protocol (WEIRDS).

Registration and further information can be found here.


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Domain Name System
Internationalized Domain Name ,IDN,"IDNs are domain names that include characters used in the local representation of languages that are not written with the twenty-six letters of the basic Latin alphabet ""a-z"". An IDN can contain Latin letters with diacritical marks, as required by many European languages, or may consist of characters from non-Latin scripts such as Arabic or Chinese. Many languages also use other types of digits than the European ""0-9"". The basic Latin alphabet together with the European-Arabic digits are, for the purpose of domain names, termed ""ASCII characters"" (ASCII = American Standard Code for Information Interchange). These are also included in the broader range of ""Unicode characters"" that provides the basis for IDNs. The ""hostname rule"" requires that all domain names of the type under consideration here are stored in the DNS using only the ASCII characters listed above, with the one further addition of the hyphen ""-"". The Unicode form of an IDN therefore requires special encoding before it is entered into the DNS. The following terminology is used when distinguishing between these forms: A domain name consists of a series of ""labels"" (separated by ""dots""). The ASCII form of an IDN label is termed an ""A-label"". All operations defined in the DNS protocol use A-labels exclusively. The Unicode form, which a user expects to be displayed, is termed a ""U-label"". The difference may be illustrated with the Hindi word for ""test"" — परीका — appearing here as a U-label would (in the Devanagari script). A special form of ""ASCII compatible encoding"" (abbreviated ACE) is applied to this to produce the corresponding A-label: xn--11b5bs1di. A domain name that only includes ASCII letters, digits, and hyphens is termed an ""LDH label"". Although the definitions of A-labels and LDH-labels overlap, a name consisting exclusively of LDH labels, such as""icann.org"" is not an IDN."