LDAP authentication

Deepansha Gaur dgaur at ualberta.ca
Mon Dec 11 19:01:06 UTC 2023


Thank you Alan, I'll try the ldap search tool.
I am using Linux, Ubuntu 22.04.3 LTS

Regards,
Deepansha Gaur

On Mon, Dec 11, 2023 at 11:57 AM Alan DeKok <aland at deployingradius.com>
wrote:

> On Dec 11, 2023, at 1:45 PM, Deepansha Gaur <dgaur at ualberta.ca> wrote:
> > I am trying to authenticate using ldap on freeradius. But it keeps giving
> > me "could not start TLS" error.
> >
> > Below are the freeradius debugs:
> >
> > FreeRADIUS Version 3.0.26
> ..
> > rlm_ldap (ldap): Opening additional connection (0), 1 of 32 pending slots
> > used
> > rlm_ldap (ldap): Connecting to ldap://directory.srv.ualberta.ca:389
> > TLS: can't connect: (unknown error code).
> > rlm_ldap (ldap): Could not start TLS: Connect error
> > rlm_ldap (ldap): Opening connection failed (0)
>
>   The message "can't connect: (unknown error code)" is coming from the
> OpenLDAP client libraries, not from FreeRADIUS.
>
>   Try using the "ldapsearch" tool as documented in mods-available/ldap.
> It gives specific instructions for how to take the FreeRADIUS configuration
> flags, and use them as parameters to ldap search.
>
>   If ldapsearch can't connect, then the problem is either the network or
> OpenLDAP.
>
>   Which OS / distribution is this?
>
>   Alan DeKok.
>
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