FreeIPA Authentication2013/07/15

	Configure httpd and set a page that people must authenticate with FreeIPA Server. therefore it's necessarry to run FreeIPA Server in your LAN.
[1]	First, add HTTP service like follows on the FreeIPA Server.

# how to write ⇒ ipa host-add (your web server)

[root@ipa ~]#

ipa host-add www.srv.world

-----------------------------
Added host "www.srv.world"
-----------------------------
  Host name: www.srv.world
  Principal name: host/www.srv.world@SRV.WORLD
  Password: False
  Keytab: False
  Managed by: www.srv.world

# how to write ⇒ ipa service-add HTTP/(your web server)

[root@ipa ~]#

ipa service-add HTTP/www.srv.world

--------------------------------------------------
Added service "HTTP/www.srv.world@SRV.WORLD"
--------------------------------------------------
  Principal: HTTP/www.srv.world@SRV.WORLD
  Managed by: www.srv.world

[2]	First, Configure as a FreeIPA Client. Next, Configure on the Web Server. For example, create a directory "ipa" and it requires authentication with IPA Server.

# install some packgaes first

[root@www ~]#

yum -y install mod_ldap mod_auth_kerb

[root@www ~]#

kinit admin

Password for admin@SRV.WORLD:

# IPA admin password

# generate Keytab

[root@www ~]#

ipa-getkeytab -s dlp.srv.world -p HTTP/www.srv.world -k /etc/httpd/conf.d/keytab

Keytab successfully retrieved and stored in: /etc/httpd/conf.d/keytab
[root@www ~]#

chown apache. /etc/httpd/conf.d/keytab

[root@www ~]#

vi /etc/httpd/conf.d/auth_ipa.conf

# create new

<Directory /var/www/html/ipa>
    SSLRequireSSL
    AuthName "IPA Authentication"
    AuthType Kerberos

    KrbServiceName HTTP
    KrbMethodK5Passwd On
    KrbSaveCredentials On
    KrbMethodNegotiate On
    KrbAuthRealms SRV.WORLD
    Krb5KeyTab /etc/httpd/conf.d/keytab

    AuthLDAPUrl ldap://10.0.0.30/dc=srv,dc=world?krbPrincipalName
    Require valid-user
</Directory>

[root@www ~]#

systemctl restart httpd.service

[root@www ~]#

vi /var/www/html/ipa/index.html

# create a test page

<html>
<body>
<div style="width: 100%; font-size: 40px; font-weight: bold; text-align: center;">
Test Page for IPA Server Auth
</div>
</body>
</html>

Access to the test page with web browser, then authentication is required as a config. Input a FreeIPA user and authenticate here.

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