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martes, 5 de junio de 2012

IPA Server en Fedora 17

FreeIPA es una solución que integra y combina las siguientes tecnologías:
  • Linux
  • 389 Directory Server
  • MIT Kerberos
  • NTP
  • DNS
  • Herraminetas de administración a traves de la web o de la linea de comandos
La estructura de IPA server puede ser representada así:
IPA Server Architecture


Instalar el software necesario:

# yum install freeipa-server bind bind-dyndb-ldap

Empezamos con la instalación
# ipa-server-install --setup-dns
The log file for this installation can be found in /var/log/ipaserver-install.log
==============================================================================
This program will set up the FreeIPA Server.

This includes:
  * Configure a stand-alone CA (dogtag) for certificate management
  * Configure the Network Time Daemon (ntpd)
  * Create and configure an instance of Directory Server
  * Create and configure a Kerberos Key Distribution Center (KDC)
  * Configure Apache (httpd)
  * Configure DNS (bind)

To accept the default shown in brackets, press the Enter key.

Existing BIND configuration detected, overwrite? [no]: yes

Enter the fully qualified domain name of the computer
on which you're setting up server software. Using the form
<hostname>.<domainname>
Example: master.example.com.


Server host name [beta]: beta.linuxtargz.com

Warning: skipping DNS resolution of host beta.linuxtargz.com

Warning: hostname beta.linuxtargz.com does not match system hostname beta.
System hostname will be updated during the installation process
to prevent service failures.

The domain name has been calculated based on the host name.

Please confirm the domain name [beta]:

Unable to resolve IP address for host name
Please provide the IP address to be used for this host name: 192.168.100.140
Adding [192.168.100.140 beta.linuxtargz.com] to your /etc/hosts file
The IPA Master Server will be configured with
Hostname:    beta.linuxtargz.com
IP address:  192.168.100.140
Domain name: linuxtargz.com

The kerberos protocol requires a Realm name to be defined.
This is typically the domain name converted to uppercase.

Please provide a realm name [LINUXTARGZ.COM]:
Certain directory server operations require an administrative user.
This user is referred to as the Directory Manager and has full access
to the Directory for system management tasks and will be added to the
instance of directory server created for IPA.
The password must be at least 8 characters long.

Directory Manager password:
Password (confirm):

The IPA server requires an administrative user, named 'admin'.
This user is a regular system account used for IPA server administration.

IPA admin password:
Password (confirm):

Do you want to configure DNS forwarders? [yes]:
Enter the IP address of DNS forwarder to use, or press Enter to finish.
Enter IP address for a DNS forwarder:
No DNS forwarders configured
Do you want to configure the reverse zone? [yes]:
Please specify the reverse zone name [100.168.192.in-addr.arpa.]:
Using reverse zone 100.168.192.in-addr.arpa.

The following operations may take some minutes to complete.
Please wait until the prompt is returned.

Configuring ntpd
  [1/4]: stopping ntpd
  [2/4]: writing configuration
  [3/4]: configuring ntpd to start on boot
  [4/4]: starting ntpd
done configuring ntpd.
Configuring directory server for the CA: Estimated time 30 seconds
  [1/3]: creating directory server user
  [2/3]: creating directory server instance
  [3/3]: restarting directory server
done configuring pkids.
Configuring certificate server: Estimated time 3 minutes 30 seconds
  [1/17]: creating certificate server user
  [2/17]: creating pki-ca instance
  [3/17]: configuring certificate server instance
  [4/17]: disabling nonces
  [5/17]: creating CA agent PKCS#12 file in /root
  [6/17]: creating RA agent certificate database
  [7/17]: importing CA chain to RA certificate database
  [8/17]: fixing RA database permissions
  [9/17]: setting up signing cert profile
  [10/17]: set up CRL publishing
  [11/17]: set certificate subject base
  [12/17]: configuring certificate server to start on boot
  [13/17]: restarting certificate server
  [14/17]: requesting RA certificate from CA
  [15/17]: issuing RA agent certificate
  [16/17]: adding RA agent as a trusted user
  [17/17]: Configure HTTP to proxy connections
done configuring pki-cad.
Configuring directory server: Estimated time 1 minute
  [1/35]: creating directory server user
  [2/35]: creating directory server instance
  [3/35]: adding default schema
  [4/35]: enabling memberof plugin
  [5/35]: enabling referential integrity plugin
  [6/35]: enabling winsync plugin
  [7/35]: configuring replication version plugin
  [8/35]: enabling IPA enrollment plugin
  [9/35]: enabling ldapi
  [10/35]: configuring uniqueness plugin
  [11/35]: configuring uuid plugin
  [12/35]: configuring modrdn plugin
  [13/35]: enabling entryUSN plugin
  [14/35]: configuring lockout plugin
  [15/35]: creating indices
  [16/35]: configuring ssl for ds instance

  [17/35]: configuring certmap.conf
  [18/35]: configure autobind for root
  [19/35]: configure new location for managed entries
  [20/35]: restarting directory server
  [21/35]: adding default layout
  [22/35]: adding delegation layout
  [23/35]: adding replication acis
  [24/35]: creating container for managed entries
  [25/35]: configuring user private groups
  [26/35]: configuring netgroups from hostgroups
  [27/35]: creating default Sudo bind user
  [28/35]: creating default Auto Member layout
  [29/35]: creating default HBAC rule allow_all
  [30/35]: initializing group membership
  [31/35]: adding master entry
  [32/35]: configuring Posix uid/gid generation
  [33/35]: enabling compatibility plugin
Restarting IPA to initialize updates before performing deletes:
  [1/2]: stopping directory server
  [2/2]: starting directory server
done configuring dirsrv.
  [34/35]: tuning directory server
root        : CRITICAL Failed to load ds-nfiles.ldif: Command '/usr/bin/ldapmodify -h beta.linuxtargz.com -v -f /tmp/tmp92tWKd -x -D cn=Directory Manager -y /tmp/tmpwSJAoY' returned non-zero exit status 53
  [35/35]: configuring directory to start on boot
done configuring dirsrv.Configuring Kerberos KDC: Estimated time 30 seconds
  [1/14]: setting KDC account password
  [2/14]: adding sasl mappings to the directory
  [3/14]: adding kerberos entries to the DS
  [4/14]: adding default ACIs
  [5/14]: configuring KDC
  [6/14]: adding default keytypes
  [7/14]: adding default password policy
  [8/14]: creating a keytab for the directory
  [9/14]: creating a keytab for the machine
  [10/14]: exporting the kadmin keytab
  [11/14]: adding the password extension to the directory
  [12/14]: adding the kerberos master key to the directory
  [13/14]: starting the KDC
  [14/14]: configuring KDC to start on boot
done configuring krb5kdc.
Configuring ipa_kpasswd
  [1/2]: starting ipa_kpasswd 
  [2/2]: configuring ipa_kpasswd to start on boot
done configuring ipa_kpasswd.
Configuring the web interface: Estimated time 1 minute
  [1/13]: disabling mod_ssl in httpd
  [2/13]: setting mod_nss port to 443
  [3/13]: setting mod_nss password file
  [4/13]: enabling mod_nss renegotiate
  [5/13]: adding URL rewriting rules
  [6/13]: configuring httpd
  [7/13]: setting up ssl
  [8/13]: setting up browser autoconfig
  [9/13]: publish CA cert
  [10/13]: creating a keytab for httpd
  [11/13]: configuring SELinux for httpd
  [12/13]: restarting httpd
  [13/13]: configuring httpd to start on boot
done configuring httpd.
Applying LDAP updates
 Rstartgin IPDA to initilize updates before performing deletes
  [1/2]: stopping directory server
  [2/2]: starting directory server
done configuring dirsrv
Restarting the directory server
Restarting the KDC
Restarting the web server
  [1/9]: Configuring named:
  [2/9]: adding DNS container
  [3/9]: settings up our zone
  [4/9]: settings up reverse zone
  [5/9]: settings up our own record
  [6/9]: settings upkerberos principal
  [7/9]: settings upnamed.conf
  [8/9]: configurinf named to start n boot
  [9/9]: changing resolv.conf to pint to ourselves
done configuring named
====================
setup complete

Arrancar

# systemctl start ipa.service

Conseguimos una keytab de administrador:
kinit admin

Entramos con firefox en nuestra web:
https://localhost/ipa/config/unauthorized.html

Configuramos el navegador agregando la autoridad certificadora y despues configuramos Firefox

https://localhost/ipa/config/browserconfig.html


Y una vez configurado, esta será la interfaz que veremos, arriba a la derecha mostraraá con que usuario estamos conectados, en nuestro caso, admin.



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