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Can LDAP be used when LDAPS is enabled?

When LDAPS is enabled, can LDAP (non secure) connections still be made to the system?
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David Paris VicenteCommented:
If you have LDAPS in place all queries against the database will need to be Authenticated, if they are not Authenticated the queries will failed.
MortgageCenterAuthor Commented:

So, no LDAP (non secure) queries can be made once LDAPS is enabled?
As far as I know, LDAP (non-secure) connections can still be made if LDAPS is enabled.
LDAP is using port 389 and port 3268 for global catalog servers.
LDAPS is using port 636 and port 3269 for global catalog servers.
David Paris VicenteCommented:

LDAP (Lightweight Directory Application Protocol) and Secure LDAP (LDAPS) is the connection protocol used between application and the Network Directory or Domain Controller within the infrastructure.  

Note, LDAP transmits communications in Clear Text, and LDAPS communication is encrypted and secure.

For a better understanding about LDAP and LDAPS check the following links:
Implementing LDAPS (LDAP over SSL)

Lightweight Directory Access Protocol

But answering to your question all queries need to be authenticated for both LDAP queries and LDAPS
the difference will be that non secure queries will pass the authentication in a clear text and in the LDAPS all communications will be encrypted.

you can make tests by using the ldp.exe.

I hope this helps.

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