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pam_krb5afs (5)
  • >> pam_krb5afs (5) ( Linux man: Форматы файлов )
  • pam_krb5afs (8) ( Linux man: Команды системного администрирования )
  •  

    NAME

    pam_krb5afs - Kerberos 5 authentication with AFS support
     
    

    DESCRIPTION

    pam_krb5afs.so uses a portion of krb5.conf to get its configuration information. You should read the krb5.conf(5) man page before continuing here. The module expects its configuration information to be in the pam subsection of the appdefaults section of the krb5.conf configuration file (for backward compatibility, the pam section is also checked for the same directives).

     

    DIRECTIVES

    debug=[true|false]
    turns on debugging via syslog(3).
    addressless=[true|false]
    disables the checking of the address in the ticket. Allows the ticket to be used from behind NAT firewalls, or on machines whose IP address changes regularly.
    afs_cells=cells
    specifies which cells you want to get tokens for. Set this to the list of all of your local cells.
    banner=Kerberos
    specifies what kind of password the module claims to be changing when called to change passwords. The default is Kerberos 5.
    ccache_dir=/tmp
    specifies the directory to place credential cache files in.
    forwardable=[true|false]
    controls whether or not credentials are forwardable. If not specified, they are.
    hosts=hostnames
    specifies which other hosts credentials obtained by pam_krb5afs will be good on. If your host is behind a firewall, you should add the IP address or name that the KDC sees it as to this list.
    initial_timemout
    specifies the number of seconds to wait for the first KDC to respond, before attempting incremental backoff.
    keytab=/etc/krb5.keytab
    specifies the name of a keytab file to find a key for the required_tgs in, for use in validating TGTs.
    krb4_convert=[true|false]
    controls whether or not pam_krb5 tries to get Kerberos IV credentials from the KDC (or using the krb524d service on the KDC) and create ticket files with them. Unless you've converted everything on your network over to use Kerberos 5, you'll want to leave this set to true. Note that this requires valid Kerberos IV configuration data to be present in /etc/krb.conf and /etc/krb.realms.
    max_timeout=30
    specifies the maximum amount of time to spend in attempting to get a reply from the KDCs, in seconds. This in effect determines the amount of time before PAM tries the next authentication scheme, if the network is not available.
    minimum_uid=0
    specifies the minimum UID of users being authenticated. If a user with a UID less than this value attempts authentication, the request will be ignored.
    proxiable=[true|false]
    controls whether or not credentials are proxiable. If not specified, they are.
    renew_lifetime=36000
    default renewable lifetime. This specifies how much time you have after getting credentials to renew them.
    required_tgs=[service]
    specifies a principal for which a user must be able to get a session key for for the purpose of verifying that the TGT has not been forged. The key is decrypted using a copy of the service's key stored in a local keytab file. This is the only certain way to be absolutely sure the TGT hasn't been forged. The default is host@hostname.
    retain_after_close=[true|false]
    specifies whether or not to retain the ticket after closing the session. The default is false.
    ticket_lifetime=36000
    default credential lifetime.
    timeout_shift
    specifies the number of bits left to shift after each timeout, in implementing the incremental backoff in talking to the KDCs.
    validate=[true|false]
    specifies whether or not to attempt validation of the TGT. The default is false.

     

    EXAMPLE

    [appdefaults]
      pam = {
        debug = true
        ticket_lifetime = 36000
        renew_lifetime = 36000
        forwardable = true
        krb4_convert = true
        afs_cells = transarc.com foo.example.edu
        hosts = thermo.example.edu alf.example.edu
        validate = true
        required_tgs = host/thermo.example.edu
        ccache_dir = /var/tmp
      }

     

    FILES

    /etc/krb5.conf
     

    SEE ALSO

    pam_krb5afs(8)
     

    BUGS

    Probably, but let's hope not. If you find any, please email the author.  

    AUTHOR

    Nalin Dahyabhai <[email protected]>


     

    Index

    NAME
    DESCRIPTION
    DIRECTIVES
    EXAMPLE
    FILES
    SEE ALSO
    BUGS
    AUTHOR


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