Re: Freeradius-Users Digest, Vol 23, Issue 13



Dana 5/3/2007, "Tim Tyler" <tyler@beloit.edu> pi?e:

 Freeradius experts,
 I am trying to configure freeradius to use openldap as a backend
for authentication, but I can't seem to get the passwords to
authenticate.  It seems to have no problem binding and finding the
username (uid). I am using crypt passwords in the ldap userPassword field:
userPassword:: e1NTSEF9aXBWQklEYnZYSU9RdWl2V0ZtdGR5MWxIWFFsZWVCMjQ=

  I am not using any radius attributes.  I simply want to allow any
uid to authenticate.  I get these results:

rad_recv: Access-Request packet from host 144.89.40.8:59881, id=60, length=59
        User-Name = "tylertj"
        User-Password = "xxxxxx"
        NAS-IP-Address = 255.255.255.255
        NAS-Port = 1812
rlm_ldap: - authorize
rlm_ldap: performing user authorization for tylertj
rlm_ldap: ldap_get_conn: Checking Id: 0
rlm_ldap: ldap_get_conn: Got Id: 0
rlm_ldap: (re)connect to ldap.beloit.edu:389, authentication 0
rlm_ldap: setting TLS CACert File to /etc/openldap/cacerts/cacert.cer
rlm_ldap: starting TLS
rlm_ldap: bind as / to ldap.beloit.edu:389
rlm_ldap: waiting for bind result ...
rlm_ldap: Bind was successful
rlm_ldap: looking for check items in directory...
rlm_ldap: looking for reply items in directory...
rlm_ldap: user tylertj authorized to use remote access
rlm_ldap: ldap_release_conn: Release Id: 0
rad_recv: Access-Request packet from host 144.89.40.8:59881, id=60, length=59
Sending Access-Reject of id 60 to 144.89.40.8:59881


  What might I be doing wrong?  I presume that the ldap server
doesn't  have to store the passwords in plain text, correct?  I can
store them in md5 or SHA1 hash if I want, correct?  I did uncomment:

authenticate {
   Auth-Type LDAP {
      ldap
   }

  Am I wrong to think this is now a password issue?
Tim





Tim Tyler
Network Engineer - Beloit College
tyler@beloit.edu


You need to prefix your crypt password with {crypt}, else LDAP won't know which hashing scheme your using, and when you attempt a v3 bind it'll treat your crypted password as plaintext.

Also, in order to use crypted password you'll need a authentication mechanism that supports reversible encryption, like PAP or GTC.

--
Arran Cudbard-Bell (ac221@sussex.ac.uk)
Authentication Authorisation & Accounting Officer
Unversity of Sussex | Infrastructure Services
++441273873900/ext:3900




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