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Top Forums UNIX for Advanced & Expert Users Problem: Single Sign On for linux Post 302336128 by thanhdat on Tuesday 21st of July 2009 09:41:37 AM
Old 07-21-2009
Problem: Single Sign On for linux

Hi gurus,
I'd like to know your opions about Single Sign On (SSO) for linux (Debian). In my company, clients want to access to different services (FTP, HTTP, Mail, Web Applications ). I think about OpenLDAP and Proxy (Squid, Vulture) to resolve this problem but i'm not sure if they can. Are there others solutions for this SSO problem ? The more secure, the better it is.
Any suggestion will be welcome and thankful.
Kind regards,
Thanh Dat
 

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sso_util(8)						    BSD System Manager's Manual 					       sso_util(8)

NAME
sso_util -- Kerberos -- Open Directory Single Sign On SYNOPSIS
sso_util command [-args] DESCRIPTION
sso_util is a tool for setting up, interrogating and removing Kerberos configurations within the Apple Single Sign On environment. This tool can configure services, create and consume encrypted config records and tear down Kerberos installations Commands for sso_util : info [-p] [-g | -l | -L | -r dir_node_path [dir_node_path]] Returns information about the current Single Sign On environment info command arguments: -p Returns the data in XML format -g Returns the default Kerberos realm name -l Returns a list of the services sso_util knows how to Kerberize -L Returns the default Kerberos log file paths -r dir_node_path Returns whether or not the given node has a Kerberos record associated with it. If it does, it returns the default realm name. If dir_node_path is '.' (default) it also returns all the realm names available on the search path dir_node_path specifies the directory node in which to search for the computer record configure -r REALM -a admin_name [-p password] service Configures Kerberized services on the local machine for the given realm configure command arguments: -r REALM Kerberos realm for the service principals -a admin_name Account name of an administrator authorized to make changes in the Kerberos database -p password Password for the above administrator. The password can also be stored in a file and the path to the file can be passed as an environment variable - SSO_PASSWD_PATH. service Service can be any number of afp, ftp, imap, pop, smtp, ssh, fcsvr, DNS, or all useconfig [-u] [-R record_name] [-f dir_node_path] -a admin_name [-p password] Uses a secure config record to configure a server for Kerberos configure command arguments: -u Forces the update, ignoring that the update may already have been installed -R record_name Name of the Computer record containing the secure config record -f dir_node_path Specifies the directory node in which to find the given computer record -a admin_name Account name of an user authorized to use the secure config record (see generateconfig) -p password Password for the above user. The password can also be stored in a file and the path to the file can be passed as an envi- ronment variable - SSO_PASSWD_PATH. EXAMPLES
To configure a server in realm FOO.COM when you have the Kerberos administrator's password. Store the password in a file and set env var SSO_PASSWD_PATH to the file path sso_util configure -r FOO.COM -a kerberos_admin all To create a secure config record to allow the delegated administrators, Fred and Barney, to configure a server named fred.foo.com in realm FOO.COM (using an existing computer record). The Open Directory Master for foo.com is odmaster.foo.com. This can be run on any server and neither Fred nor Barney need to have the Kerberos administrator's password. Store the password in a file and set env var SSO_PASSWD_PATH to the file path. sso_util generateconfig -r FOO.COM -R fred.foo.com -f /LDAPv3/odmaster.foo.com -U Fred,Barney -a kerberos_admin all To use the secure config record to allow Barney to configure the server named fred.foo.com. Store the password in a file and set env var SSO_PASSWD_PATH to the file path. sso_util useconfig -R fred.foo.com -f /LDAPv3/odmaster.foo.com -a Barney FILES
/etc/krb5.keytab The configure and useconfig commands create or modify the krb5.keytab file. DIAGNOSTICS
You can add -v debug_level to any of the sso_util commands. Debug level 1 provides status information, higher levels add progressively more levels of detail. The maximum is level 7. NOTES
The sso_util tool is used by the Apple Single Sign On system to set up Kerberized services integrated with the rest of the Single Sign On components. SEE ALSO
kdc(8), kdcsetup(8), kerberos(8), krbservicesetup(8) Darwin June 1, 2019 Darwin

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