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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:…
- 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
- 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?
- 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 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
- How to change LDAP port used by the client (WS2016)?
This application is leveraging Active directory (AD) on the domain controller (DC) The application is using the non-secure LDAP port 389 to communicate with the AD We have a requirement to change the port used to 636 which is the secure one On AD server, the port 636 is opened and the CA certificate is implemented already
- Status Code 0x3a - Windows Server | Microsoft Learn
Status code 0x3a is logged when the client computer lacks reliable network connectivity on Transmission Control Protocol (TCP) 389 port between the client computer and the domain controller (DC) In addition to the port being blocked on a firewall, incorrect maximum transmission unit (MTU) sizes on some network devices can lead to packet loss during the domain join process and cause the domain
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