Is LDAPS deprecated?

Please note that Microsoft has announced that LDAPS is deprecated. The original deprecation date has been postponed to the 2nd half of 2020. An unencrypted LDAP connection on port 389 can be upgraded to an encrypted connection.
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Is LDAPS obsolete?

LDAP supports SSL, it's called LDAPS, and it uses a dedicated port. As of today, and since 2000, LDAPS is deprecated and StartTLS should be used. That being said, many servers accept LDAPS, and the Apache LDAP API supports it.
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Should I use LDAP or LDAPS?

LDAPS isn't a fundamentally different protocol: it's the same old LDAP, just packaged differently. LDAPS allows for the encryption of LDAP data (which includes user credentials) in transit during any communication with the LDAP server (like a directory bind), thereby protecting against credential theft.
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Is LDAP 636 secure?

NOTE: 636 is the secure LDAP port (LDAPS). Choose the checkbox SSL to enable an SSL connection.
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Is LDAP still supported?

Since the March 2020 update, the group policy Domain controller: LDAP server channel binding token requirements has been available for this purpose. There, you can choose between the options Never, When supported, and Always. LDAP signing and channel binding are now active.
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LDAP and Secure LDAP - CompTIA Security+ SY0-401: 5.1



Does Windows 10 support LDAP signing?

LDAP channel binding support was added by CVE-2017-8563 on Windows Server 2008 and later versions. Channel binding tokens are supported in Windows 10, version 1709 and later versions.
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How do I know if LDAPS is enabled?

Verify an LDAPS connection
  1. Start the Active Directory Administration Tool (Ldp.exe).
  2. On the Connection menu, click Connect.
  3. Type the name of the domain controller to which you want to connect.
  4. Type 636 as the port number.
  5. Click OK. RootDSE information should print in the right pane, indicating a successful connection.
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Can you use LDAPS without a certificate?

According to windowsitpro.com: As an option, you can use LDAPS for client authentication -- but doing so requires that you also install a client authentication certificate on each of your clients." As an option. It's not required.
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How do I change LDAP port from 389 to 636?

K53529521: How to change Remote - LDAP Auth from Port 389 (LDAP) to Port 636 (LDAPS) for secure Remote LDAP Auth?
  1. Set the SSL parameter to Enabled. ...
  2. Configure the SSL CA Certificate option to use an appropriate Root CA Certificate.
  3. Configure the SSL Client Key option to use an appropriate Client Key.
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Does LDAPS require certificate?

LDAPS Server Certificate Requirements. LDAPS requires a properly formatted X. 509 certificate on all your Windows DCs. This certificate lets a DC's LDAP service listen for and automatically accept SSL connections for both LDAP and Global Catalog (GC) traffic.
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How secure is LDAPS?

LDAP authentication is not secure on its own. A passive eavesdropper could learn your LDAP password by listening in on traffic in flight, so using SSL/TLS encryption is highly recommended.
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Can I use both LDAP and LDAPS?

You can not start LDAPS without a valid certificate and the LDAPS server should point to the same configuration as LDAP. The only difference is that the channel is encrypted.
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Does AWS use LDAP?

AWS Directory Service provides multiple directory choices for customers who want to use existing Microsoft AD or Lightweight Directory Access Protocol (LDAP)–aware applications in the cloud. It also offers those same choices to developers who need a directory to manage users, groups, devices, and access.
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What is replacing LDAP?

Auth0, JSON Web Token, Amazon Cognito, Keycloak, and OAuth2 are the most popular alternatives and competitors to LDAP.
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Why is LDAP insecure?

Security Requirement Changes

Microsoft issued an significant advisory against the use of unsecure LDAP to Active Directory because of potential for attacks and misuse. LDAPS should be used with Active Directory domain controllers.
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Is LDAP secure over Internet?

Secure LDAP access to your managed domain over the internet is disabled by default. When you enable public secure LDAP access, your domain is susceptible to password brute force attacks over the internet.
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How do I enable LDAPS in Active Directory?

Enable LDAP over SSL (LDAPS) for Microsoft Active Directory...
  1. Create root certificate.
  2. Import root certificate into trusted store of domain controller.
  3. Create client certificate.
  4. Accept and import certificate.
  5. Reload active directory SSL certificate.
  6. Test LDAPS using ldp.exe utility.
  7. Reference.
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How do I change LDAP to LDAPS?

In the Office, go to User administration – Access rights – LDAP settings.
...
Click Open to open the LDAP host entry stored below.
  1. In the Host field, enter the host name of your domain controller.
  2. In the Port field, enter "636".
  3. Check the Use SSL box.
  4. Test the LDAP connection by clicking Test connection.
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Can't connect to LDAPS?

Cannot contact LDAP Server: If you receive a "Cannot connect to the LDAP Server" error message, try to connect using the LDAP Server IP address. You should also check to be sure the LDAP machine is running. Another possibility is that the SSL certificate files are not valid.
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Can I use self signed certificate for LDAPS?

You can ahead with a self-signed certificate as long as you make the certificate trusted by all clients that will use LDAPS. This is where the complexity comes as it may be easier with an internal CA or a certificate from a trusted CA.
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Can I use a wildcard cert for LDAPS?

LDAPS works immediately after importing the wildcard cert into the Personal ("My") certificate store without any restart needed. I can confirm this is working because after making the connection with ldp.exe, I see the CA's root certificate has been downloaded to the Root certificate store.
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How can I generate LDAPS certificate?

How to Enable LDAPS in Active Directory
  1. Step 1: Create a Certificate Authority (CA) ...
  2. Step 2: Install the Certificate Authority (CA) ...
  3. Step 3: Create a Certificate Signing Request (CSR) ...
  4. Step 4: Sign the Certificate. ...
  5. Step 5: Accept the Certificate. ...
  6. Step 6: Install the Certificate. ...
  7. Step 7: Restart Active Directory.
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How do I make a LDAPS server?

The basic steps for creating an LDAP server are as follows:
  1. Install the openldap, openldap-servers, and openldap-clients RPMs.
  2. Edit the /etc/openldap/slapd. ...
  3. Start slapd with the command: /sbin/service ldap start. ...
  4. Add entries to an LDAP directory with ldapadd.
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Is port 389 insecure?

Both UDP and TCP transmission can be used for this port. We can use this port for unsecured and unencrypted LDAP transmission. This means if the LDAP traffic for port 389 is sniffed it can create security problems and expose information like username, password, hash, certificates, and other critical information.
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