Hi Jose,

for which use-case? You can use anonymous binding to search the user name during LAM login. But you cannot login to LAM itself without any user and password.

Best regards
Roland


Am 23.09.24 um 15:44 schrieb Jose Antonio Baduria Jr via Lam-public:
Hi Roland,

     Does LAM supports anonymous binding?

Jose

-----Original Message-----
From: Roland Gruber <p...@rolandgruber.de>
Sent: Monday, September 23, 2024 1:46 AM
To: lam-public@lists.sourceforge.net
Subject: Re: [Lam-public] LDAP DNS issue

Hi Jose,

true, seems like this is the new standard LDAP module for Bind:

https://pagure.io/bind-dyndb-ldap

It is now planned for the March release:
https://github.com/LDAPAccountManager/lam/issues/361

For PowerDNS you can simply create the records (e.g. SOA and A). There is no 
extra zone entry (you can use a OU for the structure).

Best regards
Roland


Am 21.09.24 um 21:15 schrieb Jose Antonio Baduria Jr via Lam-public:
Hi,

     I just found out that that bind9 in ubuntu dropped support for DLZ. Could 
be the same thing with redhat. It now uses dyndb. Would LDAP manager support 
it? I tried power dns but I am facing the same issue. The documentation for 
powerdns for LAM is very scant? How can I create a zone for powerdns? I can do 
it with Bind DNS with New Zone.

Thanks,
Jose

-----Original Message-----
From: Roland Gruber <p...@rolandgruber.de>
Sent: Friday, September 20, 2024 1:35 PM
To: lam-public@lists.sourceforge.net
Subject: Re: [Lam-public] LDAP DNS issue

Hi Jose,

is nslookup contacting your server at all? You should see its IP address in the 
output.
I suggest to continue investigation on the Bind user mailinglist as this goes 
more into direction of configuring Bind itself. Here you will find more experts 
for this topic:

https://lists.isc.org/mailman/listinfo/bind-users


Best regards
Roland


Am 20.09.24 um 14:43 schrieb Jose Antonio Baduria Jr via Lam-public:
Hi,

      I activated logging. I do see some slapd messages but when I do the 
nslookup, I don't see any slapd logs. It is not communicating to ldap?

# ldapsearch -Y EXTERNAL -H ldapi:/// -b "cn=config" "(olcLogLevel=*)"
SASL/EXTERNAL authentication started
SASL username:
gidNumber=0+uidNumber=0,cn=peercred,cn=external,cn=auth
SASL SSF: 0
# extended LDIF
#
# LDAPv3
# base <cn=config> with scope subtree # filter: (olcLogLevel=*) #
requesting: ALL #

# config
dn: cn=config
objectClass: olcGlobal
cn: config
olcArgsFile: /var/run/slapd/slapd.args
olcLogLevel: stats
olcPidFile: /var/run/slapd/slapd.pid
olcToolThreads: 1

# search result
search: 2
result: 0 Success

# numResponses: 2
# numEntries: 1

-----Original Message-----
From: Roland Gruber <p...@rolandgruber.de>
Sent: Friday, September 20, 2024 1:38 AM
To: lam-public@lists.sourceforge.net
Subject: Re: [Lam-public] LDAP DNS issue

Hi Jose,

please activate logging on LDAP server side to see which queries are performed 
on LDAP-side. Then you can check why they do not return results.

Log level (olcLogLevel in /etc/ldap/slapd.d/cn=config.ldif) for OpenLDAP should be e.g. 
"stats".


Best regards
Roland



Am 20.09.24 um 01:08 schrieb Jose Antonio Baduria Jr via Lam-public:
Hi,

        I have setup openldap as a dns server. I have set up a ldap backend 
using bind9-dyndb-ldap. dig works but somehow nslookup fails.

I do see the following issue on the logs:

Sep 19 22:32:25 sdc-ops-openldap01 named[260087]: 0 master zones
from LDAP instance 'ldap' loaded (0 zones defined, 0 inactive, 0
failed to
load) Sep 19 22:32:25 sdc-ops-openldap01 named[260087]: 0 master
zones is suspicious number, please check access control instructions
on LDAP server

root@sdc-ops-openldap01:/etc/bind# nslookup
sdc-ops-for01.bd.internal ;; Got SERVFAIL reply from 10.32.183.11,
trying next server

** server can't find sdc-ops-for01.bd.internal: NXDOMAIN

root@sdc-ops-openldap01:/etc/bind# dig @10.32.183.11 sdc-ops-for01

; <<>> DiG 9.18.28-0ubuntu0.22.04.1-Ubuntu <<>> @10.32.183.11
sdc-ops-for01 ; (1 server found) ;; global options: +cmd ;; Got
answer:
;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 27733 ;; flags:
qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1232 ; COOKIE:
89af8b62d831e3d70100000066ecae50cc3e47461128b789 (good) ;; QUESTION
SECTION:
;sdc-ops-for01.                 IN      A

;; Query time: 324 msec
;; SERVER: 10.32.183.11#53(10.32.183.11) (UDP) ;; WHEN: Thu Sep 19
23:05:52 UTC 2024 ;; MSG SIZE  rcvd: 70


root@sdc-ops-openldap01:/etc/bind# ldapsearch -x -H ldap://10.32.183.11 -P 3 -LLL -b 
"dlzHostName=@,dlzZoneName=bd.internal,ou=dns,dc=bd,dc=internal" 
"(objectClass=dlzSOARecord)"
dn:
dlzRecordID=1,dlzHostName=@,dlzZoneName=bd.internal,ou=dns,dc=bd,dc=
i
ntern
al
objectClass: top
objectClass: dlzSOARecord
dlzRecordID: 1
dlzHostName: @
dlzType: SOA
dlzSerial: 1
dlzRefresh: 2800
dlzRetry: 7200
dlzExpire: 604800
dlzMinimum: 86400
dlzAdminEmail: root.example.com.
dlzTTL: 1209600
dlzPrimaryNS: sdc-ops-openldap01.bd.internal.


/etc/bind/named.conf

dyndb "ldap" "/usr/lib/bind/ldap.so" {
           uri "ldap://10.32.183.11";;
           base "ou=dns,dc=bd,dc=internal";
           auth_method "simple";
           bind_dn "cn=admin,dc=bd,dc=internal";
           password "PASSWORD";
       };

Not sure what the issue is. Any ideas?

Thanks,
Jose



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