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tick this if you want the passwords in the shadow file md5 hashed. leave this unticked if des encryption should be used.
marque esto si quiere que se use md5 en el archivo de contraseñas ocultas. desmárquelo si quiere usarse la encriptación des.
the algorithm has o(1) amortized performance when appending a series of objects to the end of a hashed array tree.
el algoritmo tiene o(1) de rendimiento amortizado se añaden una serie de objetos al final de un hat.
as the talks commence and a successor to the kyoto protocol is hashed out, global voices environment is highlighting the thoughts of bloggers around the world on the issue of climate change.
debido a que ya se iniciaron las negociaciones y ya se determinó el sucesor del protocolo de kyoto, global voices está destacando las opiniones de bloggers de todo el mundo sobre el tema del cambio climático.
store the lanmanager hashed password in the sambalmpassword attribute. tick this if you have older clients (win9x series and before) on your network.
almacena las contraseñas lanmanager en el atributo sambalmpassword.marque esto si tiene clientes antiguos (serie win9x y anteriores) en su red.
if there is a match against the list, your browser will send google a hashed, partial copy of the site’s url so that google can send more information to your browser.
si algún sitio coincide con uno de la lista, su navegador enviará a google una copia oculta parcial de la url del sitio para que google pueda enviar más información a su navegador.
the nsec3 record is signed, but instead of including the name directly (which would enable zone enumeration), the nsec3 record includes a cryptographically hashed value of the name.
el registro nsec3 está firmado, pero en lugar de incluir el nombre directamente (lo que permitiría la enumeración de zona), el registro nsec3 incluye un valor criptográficamente hashed del nombre.
signing consists in appending a few bits which are the result of some processing with document and authority as input, and which are generally hashed by a hash algorithm such as md5 or sha. moreover, any person with access to the document should be able to verify that signature has really been issued by the authority.
la signatura consiste en añadir al documento cierto número de bits que se calculan en función del documento y de la autoridad, y por lo general mediante funciones hash como md5 o sha. además, todo el que tenga acceso al documento, debe poder verificar que la signatura realmente es de la autoridad.
* rfc 920, "domain requirements" – specified original top-level domains* rfc 1032, "domain administrators guide"* rfc 1033, "domain administrators operations guide"* rfc 1034, "domain names - concepts and facilities"* rfc 1035, "domain names - implementation and specification"* rfc 1101, "dns encodings of network names and other types"* rfc 1123, "requirements for internet hosts—application and support"* rfc 1178, "choosing a name for your computer" (fyi 5)"* rfc 1183, "new dns rr definitions"* rfc 1591, "domain name system structure and delegation" (informational)* rfc 1912, "common dns operational and configuration errors"* rfc 1995, "incremental zone transfer in dns"* rfc 1996, "a mechanism for prompt notification of zone changes (dns notify)"* rfc 2100, "the naming of hosts" (informational)* rfc 2136, "dynamic updates in the domain name system (dns update)"* rfc 2181, "clarifications to the dns specification"* rfc 2182, "selection and operation of secondary dns servers"* rfc 2308, "negative caching of dns queries (dns ncache)"* rfc 2317, "classless in-addr.arpa delegation" (bcp 20)* rfc 2671, "extension mechanisms for dns (edns0)"* rfc 2672, "non-terminal dns name redirection"* rfc 2845, "secret key transaction authentication for dns (tsig)"* rfc 3225, "indicating resolver support of dnssec"* rfc 3226, "dnssec and ipv6 a6 aware server/resolver message size requirements"* rfc 3597, "handling of unknown dns resource record (rr) types"* rfc 3696, "application techniques for checking and transformation of names" (informational)* rfc 4343, "domain name system (dns) case insensitivity clarification"* rfc 4592, "the role of wildcards in the domain name system"* rfc 4635, "hmac sha tsig algorithm identifiers"* rfc 4892, "requirements for a mechanism identifying a name server instance" (informational)* rfc 5001, "dns name server identifier (nsid) option"* rfc 5452, "measures for making dns more resilient against forged answers"* rfc 5625, "dns proxy implementation guidelines" (bcp 152)* rfc 5890, "internationalized domain names for applications (idna):definitions and document framework"* rfc 5891, "internationalized domain names in applications (idna): protocol"* rfc 5892, "the unicode code points and internationalized domain names for applications (idna)"* rfc 5893, "right-to-left scripts for internationalized domain names for applications (idna)"* rfc 5894, "internationalized domain names for applications (idna):background, explanation, and rationale" (informational)* rfc 5895, "mapping characters for internationalized domain names in applications (idna) 2008" (informational)* rfc 5966, "dns transport over tcp - implementation requirements"* rfc 6195, "domain name system (dns) iana considerations" (bcp 42)===security===* rfc 4033, "dns security introduction and requirements"* rfc 4034, "resource records for the dns security extensions"* rfc 4035, "protocol modifications for the dns security extensions"* rfc 4509, "use of sha-256 in dnssec delegation signer (ds) resource records"* rfc 4470, "minimally covering nsec records and dnssec on-line signing"* rfc 5011, "automated updates of dns security (dnssec) trust anchors"* rfc 5155, "dns security (dnssec) hashed authenticated denial of existence"* rfc 5702, "use of sha-2 algorithms with rsa in dnskey and rrsig resource records for dnssec"* rfc 5910, "domain name system (dns) security extensions mapping for the extensible provisioning protocol (epp)"* rfc 5933, "use of gost signature algorithms in dnskey and rrsig resource records for dnssec"==see also==* alternative dns root* comparison of dns server software* dns hijacking* dns management software* list of dns record types* list of managed dns providers* ipv6 brokenness and dns whitelisting* multicast dns* split-horizon dns==references====external links==* zytrax.com, open source guide – dns for rocket scientists.
== estándares de internet ==los siguientes documentos definen el sistema de nombres de dominio:* rfc 920, "domain requirements" – especificaba los dominios de nivel superior originales* rfc 1032, "domain administrators guide"* rfc 1033, "domain administrators operations guide"* rfc 1034, "domain names - concepts and facilities"* rfc 1035, "domain names - implementation and specification"* rfc 1101, "dns encodings of network names and other types"* rfc 1123, "requirements for internet hosts—application and support"* rfc 1178, "choosing a name for your computer" (fyi 5)"* rfc 1183, "new dns rr definitions"* rfc 1591, "domain name system structure and delegation" (informational)* rfc 1912, "common dns operational and configuration errors"* rfc 1995, "incremental zone transfer in dns"* rfc 1996, "a mechanism for prompt notification of zone changes (dns notify)"* rfc 2100, "the naming of hosts" (informational)* rfc 2136, "dynamic updates in the domain name system (dns update)"* rfc 2181, "clarifications to the dns specification"* rfc 2182, "selection and operation of secondary dns servers"* rfc 2308, "negative caching of dns queries (dns ncache)"* rfc 2317, "classless in-addr.arpa delegation" (bcp 20)* rfc 2671, "extension mechanisms for dns (edns0)"* rfc 2672, "non-terminal dns name redirection"* rfc 2845, "secret key transaction authentication for dns (tsig)"* rfc 3225, "indicating resolver support of dnssec"* rfc 3226, "dnssec and ipv6 a6 aware server/resolver message size requirements"* rfc 3597, "handling of unknown dns resource record (rr) types"* rfc 3696, "application techniques for checking and transformation of names" (informational)* rfc 4343, "domain name system (dns) case insensitivity clarification"* rfc 4592, "the role of wildcards in the domain name system"* rfc 4635, "hmac sha tsig algorithm identifiers"* rfc 4892, "requirements for a mechanism identifying a name server instance" (informational)* rfc 5001, "dns name server identifier (nsid) option"* rfc 5452, "measures for making dns more resilient against forged answers"* rfc 5625, "dns proxy implementation guidelines" (bcp 152)* rfc 5890, "internationalized domain names for applications (idna):definitions and document framework"* rfc 5891, "internationalized domain names in applications (idna): protocol"* rfc 5892, "the unicode code points and internationalized domain names for applications (idna)"* rfc 5893, "right-to-left scripts for internationalized domain names for applications (idna)"* rfc 5894, "internationalized domain names for applications (idna):background, explanation, and rationale" (informacional)* rfc 5895, "mapping characters for internationalized domain names in applications (idna) 2008" (informacional)* rfc 5966, "dns transport over tcp - implementation requirements"* rfc 6195, "domain name system (dns) iana considerations" (bcp 42)=== seguridad ===* rfc 4033, "dns security introduction and requirements"* rfc 4034, "resource records for the dns security extensions"* rfc 4035, "protocol modifications for the dns security extensions"* rfc 4509, "use of sha-256 in dnssec delegation signer (ds) resource records"* rfc 4470, "minimally covering nsec records and dnssec on-line signing"* rfc 5011, "automated updates of dns security (dnssec) trust anchors"* rfc 5155, "dns security (dnssec) hashed authenticated denial of existence"* rfc 5702, "use of sha-2 algorithms with rsa in dnskey and rrsig resource records for dnssec"* rfc 5910, "domain name system (dns) security extensions mapping for the extensible provisioning protocol (epp)"* rfc 5933, "use of gost signature algorithms in dnskey and rrsig resource records for dnssec"== véase también ==* archivo hosts* dns dinámico* nombre de dominio internacionalizado* servidor raíz* mecanismos de extension de dns* domain name system security extensions* servidor de agujero negro* búsqueda dns inversa* transferencia de zona dns;ataques* dns cache poisoning* dns rebinding== enlaces externos ==* dónde se encuentran los servidores raíz* dns de las principales operadoras