I'm having some trouble configuring ldap login to postgres. I have configured LDAP on pg_hba.conf and postgres picks up the correct configuration during login but I get an error message whenever I attempt to login with psql to a database named teste.
psql: error: could not connect to server: FATAL: LDAP authentication failed for user "my_user_id" Looking at the log I get a more detailed message but it isn't very useful either 2021-02-22 10:41:29 -03:172.17.1.139(54178):my_user_id@teste:[50727]: LOG: could not search LDAP for filter "(sAMAccountName=my_user_id)" on server "my_ldap_server": Operations error 2021-02-22 10:41:29 -03:172.17.1.139(54178):my_user_id@teste:[50727]: DETAIL: LDAP diagnostics: 000004DC: LdapErr: DSID-0C09075A, comment: In order to perform this operation a successful bind must be completed on the connection., data 0, v1db1 2021-02-22 10:41:29 -03:172.17.1.139(54178):my_user_id@teste:[50727]: FATAL: LDAP authentication failed for user "my_user_id" 2021-02-22 10:41:29 -03:172.17.1.139(54178):my_user_id@teste:[50727]: DETAIL: Connection matched pg_hba.conf line 96: "host all all 172.17.1.0/24 ldap ldapserver="my_ldap_server" ldapbasedn="mybasedn" ldapsearchattribute="sAMAccountName" ldapbinddn="CN=my_bind_dn" ldapbindpasswd="my_bind_password" Searching postgres source code I was able to find where the problem happens[1] however it makes things a bit more confusing because from my understanding postgres was able to successfully bind to the LDAP server in line 2676 but on line 2700 it reported that a bind was necessary before querying. Looking at the tcp packages with tcpdump I was able to notice that openldap does in fact receive my_user_id information from the server but for some reason it tries to perform another operation afterwards and fails. Can anyone help me with this? [1] - https://github.com/postgres/postgres/blob/ca3b37487be333a1d241dab1bbdd17a211a88f43/src/backend/libpq/auth.c#L2700
