DNS and BIND tells you everything you need to work with one of the Internet's fundamental building blocks: the distributed host information database that's responsible for translating names into addresses, routing mail to its proper destination, and even listing phone numbers with the new ENUM standard. This book brings you up-to-date with the latest changes in this crucial service. The fifth edition covers BIND 9.3.2, the most recent release of the BIND 9 series, as well as BIND 8.4.7. BIND 9.3.2 contains further improvements in security and IPv6 support, and important new features such as internationalized domain names, ENUM (electronic numbering), and SPF (the Sender Policy Framework). Whether you're an administrator involved with DNS on a daily basis or a user who wants to be more informed about the Internet and how it works, you'll find that this book is essential reading. Topics include: * What DNS does, how it works, and when you need to use it * How to find your own place in the Internet's namespace * Setting up name servers * Using MX records to route mail * Configuring hosts to use DNS name servers * Subdividing domains (parenting) * Securing your name server: restricting who can query your server, preventing unauthorized zone transfers, avoiding bogus servers, etc. * The DNS Security Extensions (DNSSEC) and Transaction Signatures (TSIG) * Mapping one name to several servers for load sharing * Dynamic updates, asynchronous notification of change to a zone, and incremental zone transfers * Troubleshooting: using nslookup and dig, reading debugging output, common problems * DNS programming using the resolver library and Perl's Net::DNS module
Die Bildung von Domain-Namen wird von zahlreichen Faktoren beeinflusst. Neben Marketing- und Werbeaspekten spielen auch das soziale und kulturelle Umfeld sowie persönliche Erfahrungen und aktuelle Trends eine Rolle. Im Buch werden alle bei der DENIC e.G. registrierten Domain-Namen unter der ccTLD (country code Top Level Domain) .de im Zeitraum von 2000 - 2006 analysiert. Ziel war es gewesen, eine statistische Basis zu schaffen, um eine Aussage darüber treffen zu können, ob Domain-Namen ein Spiegelbild der deutschen Sprache darstellen können. Analysiert wurden u.a. die Entwicklung der Anzahl der verwendeten Zeichen, der Bindestriche, der Zahlen, von Sonderzeichen, einzelner Buchstaben in SLD (Second Level Domains) und der Vergleich mit den Häufigkeitsgebirgen von SLD unter den gTLD (generische Top Level Domains) .net und .com.
In This work, I have shown the process of nucleation and growth of large scale PBLG birefringent crystals from semidilute thin film solutions. In solution, these birefringent objects show a single domain structure and are assumed to be in a hexagonal columnar liquid crystalline state. After drying, this single domain splits up into multiple almost parallel domains, each consisting of perfectly aligned parallel stripes. Between adjacent domains, the orientation of the stripes conjointly changed by a certain kink angle with respect to each other. Scattering experiments indicate a pseudo-hexagonal internal order within these domains, quite consistent with previous observations for bulk samples. Furthermore, I have correlated the optical anisotropy of the crystals with the orientation of the PBLG helix axis. The helix axis of PBLG was found to be parallel to the stripes of each domain. The formation of zig-zag patterns, often observed in hexagonal columnar liquid crystals, is proposed to be a result of a mechanical instability, caused by the increase of the lateral packing density during the process of drying, and a corresponding net dilative strain perpendicular to the columns.
High Quality Content by WIKIPEDIA articles! UKDomains was formed in 1996 and was one of the first companies within the United Kingdom to start registering internet domain names. As the 9th registered member and TAG holder of Nominet (the .uk registry) UKDomains provides a wide range of second level domains such as .co.uk, .org.uk and .me.uk domain names. The biggest selling second level domain in the UK supplied by Nominet is the .co.uk domain which intended for use by commercial enterprises and businesses. In addition, UKDomains went on to supply top level domain names which are managed by ICANN. Domains such as .com, .net and .org. As one of the UK's largest web hosting companies it has data centre facilities in London and Farham. Its UK headquarters are based in Arena Business Centre, Holy Rood Close, Poole BH17 7BA, United Kingdom.
High Quality Content by WIKIPEDIA articles! URL redirection, also called URL forwarding and the very similar technique domain redirection also called domain forwarding, are techniques on the World Wide Web for making a web page available under many URLs.A web browser user might mis-type a URL?for example, "exampel.com" and "exmaple.com". Organizations often register these "mis-spelled" domains and re-direct them to the "correct" location: example.com. For example: the addresses example.com and example.net could both redirect to a single domain, or web page, such as example.org. This technique is often used to "reserve" other top-level domains (TLD) with the same name, or make it easier for a true ".edu" or ".net" to redirect to a more recognizable ".com" domain.
A domain name is an identification label that defines a realm of administrative autonomy, authority, or control in the Internet, based on the Domain Name System (DNS). Domain names are used in various networking contexts and application-specific naming and addressing purposes. They are organized in subordinate levels (subdomains) of the DNS root domain, which is nameless. The first-level set of domain names are the top-level domains (TLDs), including the generic top-level domains (gTLDs), such as the prominent domains com, net and org, and the country code top-level domains (ccTLDs). Below these top-level domains in the DNS hierarchy are the second-level and third-level domain names that are typically open for reservation by end-users that wish to connect local area networks to the Internet, run web sites, or create other publicly accessible Internet resources
High Quality Content by WIKIPEDIA articles! The Uniform Domain-Name Dispute-Resolution Policy (UDRP) is a process established by the Internet Corporation for Assigned Names and Numbers (ICANN) for the resolution of disputes regarding the registration of internet domain names. The UDRP currently applies to all .biz, .com, .info, .name, .net, and .org top-level domains, and some country code top-level domains. When a registrant chooses a domain name, the registrant must represent and warrant, among other things, that registering the name will not infringe upon or otherwise violate the rights of any third party, and agree to participate in an arbitration-like proceeding should any third party assert such a claim.
Drew Heywood's Networking Windows 2000 highlights the crucial aspects of networking--such as hardware configuration and the core Windows 2000 networking issues--so that you can successfully and efficiently setup and administer a Windows 2000 network. This book is for networking professionals who need to learn how to anticipate and solve problems before they happen. This book presents well-crafted coverage of the most vital networking components of the Windows 2000 family. Its detailed coverage enables administrators to differentiate the features and technology changes from Windows NT 4.0 to Windows 2000. You will benefit from author Drew Heywood's expert discussions of topics including installation planning and execution, TCP/IP protocols, Domain Name Services (DNS), Active Directory, managing domains, Domain Host Configuration Protocol (DHCP), Windows Internet Name Service (WINS), terminal services and thin clients, and Internet Information Services (IIS). Crafted content for the advanced audience that must remain ahead of the curve Covers the entire Windows 2000 family - Professional, Server, Advanced Server, and Datacenter Server Drew Heywood's MCP books have sold more than 250,000 net units
This book offers an overview of the key ideas of Petri nets, how they were developed, and how they were applied in diverse applications. The chapters in the first part offer individual perspectives on the impact of Petri&#8217;s work. The second part of the book contains personal memories from researchers who collaborated with him closely, in particular they recount his unique personality. The chapters in the third part offer more conventional treatments on various aspects of current Petri net research, and the fourth part examines the wide applications of Petri nets, and the relationships with other domains. The editors and authors are the leading researchers in this domain, and this book will be a valuable insight for researchers in computer science, particularly those engaged with concurrency and distributed systems.