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- Is port 389 on AD in anyway used or required when a new client queries . . .
I do know port 389 is required on AD for existing user logins, replications etc so we cannot block port 389 on AD But what I would like to clarify is if port 389(incoming) on AD is in any form useful for a new client to query join AD via LDAPs?
- Unable to bind with Active Directory LDAP using non-SSL port 389
I'm trying to test an LDAP bind ID using ldapsearch (from a Red Hat server) to Active Directory LDAP on a group of domain controllers and am getting this error: ldap_bind: Strong(er) authentication required (8) additional info: 00002028: LdapErr:…
- Ports That Are Used by RDS - Windows Server | Microsoft Learn
UDP and TCP 389: Used by LDAP with per-user Client Access Licenses (CALs) in AD From a proxy standpoint, the registry key HKLM\Software\Microsoft\TermServLicensing\lrwiz\Params shows the Microsoft service that the RD License Server communicates with
- LDAP is used over port 389 although LDAPS is configured in AD
Independent from the fact that port 389 is still shown in wireshark, why does it even work? DC was configured to require signing Does each MMC uses port 389? Does the Get-GPOReport commandlet only use port 389? I need to push that communication over port 636 How does the prioritization even work if ldap or ldaps is used?
- LDAP and Kerberos Server not respond to UDP requests or reset TCP . . .
Fixes an issue where TCP sessions created to the server ports 88, 464, 389 and 3268 are reset Sessions using Secure Sockets Layer or Transport Layer Security on ports 636 and 3269 are also affected
- Disable LDAP 389 and enforce LDAPS 636 in AD - Microsoft Q A
Hi, We already install the certificate, enable LDAP signing and channel bind in AD How to configure client’s directory service settings point to the LDAPS port (usually 636)? Thanks
- [MS-ADTS]: Using SSL TLS | Microsoft Learn
The second is by connecting to a DC on a regular LDAP port (TCP ports 389 or 3268 in AD DS, and a configuration-specific port in AD LDS), and later sending an LDAP_SERVER_START_TLS_OID extended operation [RFC2830]
- Kerberos Authentication Troubleshooting Guidance - Windows Server . . .
Provides guidance to troubleshoot Kerberos authentication issues Check the event logs for indications of an issue Use Event Viewer to review the Security and System logs on the systems that are involved in the authentication operation: The authenticating client The target server or service The domain controller In particular, look for any events from sources that might relate to Kerberos
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