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  1. Series lucid
  2. Template “ubuntu-docs-serverguide”
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2349 → 2358 of 3734 results First • • • Last
2349.
<emphasis>Ticket Granting Ticket:</emphasis> issued by the Authentication Server (AS), the Ticket Granting Ticket (TGT) is encrypted in the user's password which is known only to the user and the KDC.
<emphasis>Ticket Granting Ticket:</emphasis> generado por el servidor de autenticación (SA), el TGT está cifrado con la clave del usuario que es conocida solo por el usuario y el KDC.
Translated by Paco Molinero
Reviewed by Paco Molinero
Located in serverguide/C/network-auth.xml:2067(para)
2350.
<emphasis>Ticket Granting Server:</emphasis> (TGS) issues service tickets to clients upon request.
<emphasis>Ticket Granting Server:</emphasis> (TGS) emite el servicio de tickets a los clientes bajo demanda.
Translated and reviewed by Paco Molinero
Located in serverguide/C/network-auth.xml:2073(para)
2351.
<emphasis>Tickets:</emphasis> confirm the identity of the two principals. One principal being a user and the other a service requested by the user. Tickets establish an encryption key used for secure communication during the authenticated session.
<emphasis>Tickets:</emphasis> confirman la identidad de los dos principales. Un principal es el usuario y el otro el servicio pedido por el usuario. Los tickets establecen la clave de cifrado usada para asegurar las comunicaciones durante la sesión de autenticación.
Translated and reviewed by Paco Molinero
Located in serverguide/C/network-auth.xml:2078(para)
2352.
<emphasis>Keytab Files:</emphasis> are files extracted from the KDC principal database and contain the encryption key for a service or host.
<emphasis>Archivos Keytab:</emphasis> son archivos extraídos de la base de datos principal de KDC y contienen la clave de cifrado para un servicio o anfitrión.
Translated and reviewed by Paco Molinero
Located in serverguide/C/network-auth.xml:2084(para)
2353.
To put the pieces together, a Realm has at least one KDC, preferably two for redundancy, which contains a database of Principals. When a user principal logs into a workstation, configured for Kerberos authentication, the KDC issues a Ticket Granting Ticket (TGT). If the user supplied credentials match, the user is authenticated and can then request tickets for Kerberized services from the Ticket Granting Server (TGS). The service tickets allow the user to authenticate to the service without entering another username and password.
Para armar todo junto, un reino tiene por lo menos un KDC, preferiblemente dos, por redundancia, los cuales contienen una base de datos de principales. Cuando un usuario principal inicia sesión en una estación de trabajo configurada con autenticación vía Kerberos, el KDC emite un Ticket de Adjudicación de Ticket (TGT = Ticket Granting Ticket). Si las credenciales suministradas por el usuario concuerdan, él mismo es autenticado y puede entonces solicitarle tickets para servicios Kerberizados al Servidor de Adjudicación de Tickets (TGS = Ticket Granting Server). Los tickets de servicio le permiten al usuario autenticarse en el servicio sin suministrar otro nombre de usuario y contraseña.
Translated and reviewed by Paco Molinero
Located in serverguide/C/network-auth.xml:2091(para)
2354.
Kerberos Server
Servidor Kerberos
Translated and reviewed by Paco Molinero
Located in serverguide/C/network-auth.xml:2100(title)
2355.
Before installing the Kerberos server a properly configured DNS server is needed for your domain. Since the Kerberos Realm by convention matches the domain name, this section uses the <emphasis>example.com</emphasis> domain configured in <xref linkend="dns-primarymaster-configuration"/>.
Antes de instalar el servidor Kerberos se necesita un servidor DNS correctamente configurado para su dominio. Desde que el reino Kerberos por convención coincide con el nombre de dominio, esta sección usa le dominio <emphasis>example.com</emphasis> configurado en <xref linkend="dns-primarymaster-configuration"/>.
Translated and reviewed by Paco Molinero
Located in serverguide/C/network-auth.xml:2104(para)
2356.
Also, Kerberos is a time sensitive protocol. So if the local system time between a client machine and the server differs by more than five minutes (by default), the workstation will not be able to authenticate. To correct the problem all hosts should have their time synchronized using the <emphasis>Network Time Protocol (NTP)</emphasis>. For details on setting up NTP see <xref linkend="NTP"/>.
También, Kerberos es un protocolo sensible al tiempo. Así que si la hora del sistema entre la máquina cliente y el servidor, difieren más de cinco minutos (de manera predeterminada), la estación de trabajo no será capaz de autenticar. Para corregir el problema, todos los anfitriones deben tener su tiempo sincronizado usando el <emphasis>Protocolo de tiempo de red-Network Time Protocol (NTP)</emphasis>. Para más detalles de configuración de NTP vea <xref linkend="NTP"/>.
Translated and reviewed by Paco Molinero
Located in serverguide/C/network-auth.xml:2110(para)
2357.
The first step in installing a Kerberos Realm is to install the <application>krb5-kdc</application> and <application>krb5-admin-server</application> packages. From a terminal enter:
El primer paso para instalar un reino Kerberos es instalar los paquetes <application>krb5-kdc</application> y <application>krb5-admin-server</application>. En una terminal, escriba:
Translated and reviewed by Paco Molinero
Located in serverguide/C/network-auth.xml:2117(para)
2358.
sudo apt-get install krb5-kdc krb5-admin-server
sudo apt-get install krb5-kdc krb5-admin-server
Translated and reviewed by Paco Molinero
Located in serverguide/C/network-auth.xml:2123(command) serverguide/C/network-auth.xml:2298(command)
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