On Wed, 2009-05-27 at 17:38 +0000, Patrick Hemmen wrote:
> Hi,
>
> I use a OpenLDAP for authentication. To authenticate a full DN as the
> user name must be used, like "cn=jim,ou=users,dc=example,dc=com".
> There are several domains, like example2.com and example3.com. I want
> to use Dovecot with ldap and authentication binds. For testing I use
> "auth_bind_userdn = cn=%n,ou=users,dc=%d" and the user name must
> provide as "j...@example,dc=com". To allow the special chars ("=,") in
> user name, I extend "auth_username_chars".
> Now my questions. Exists a real chance to attack the ldap directory
> with the extended "auth_username_chars"? And it's possible to use
> authentication binds with the regular "auth_username_chars" and a
> provided user names like "j...@example.com" in my special ldap
> directory structure?Use: auth_bind_userdn = cn=%n,ou=users,dc=%Dd See %D in http://wiki.dovecot.org/Variables
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