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What ports does Active Directory firewall use?

What ports does Active Directory firewall use?

Firewall Ports required to join AD Domain (Minimum)

  • TCP 88 (Kerberos Key Distribution Center)
  • TCP 135 (Remote Procedure Call)
  • TCP 139 (NetBIOS Session Service)
  • TCP 389 (LDAP)
  • TCP 445 (SMB,Net Logon)
  • UDP 53 (DNS)
  • UDP 389 (LDAP, DC Locator, Net Logon)
  • TCP 49152-65535 (Randomly allocated high TCP ports)

What ports need to be open between domain controllers?

Both UDP and TCP Port 135 are required for communication between domain controllers and clients to domain controllers. TCP Port 139 and UDP 138 network ports are used by the SYSVOL replication service to replicate contents of SYSVOL folder.

Is port 135 TCP or UDP?

Active Directory (local security authority)

Application protocol Protocol Ports
NAT-T UDP 4500
RPC TCP 135
RPC randomly allocated high TCP ports┬╣ TCP 1024 – 5000 49152 – 65535┬▓
SMB TCP 445

What is RODC Why do we configure RODC?

The RODC is designed specifically to address the branch office scenario. An RODC is a domain controller, typically placed in the branch office, that maintains a copy of all objects in the domain and all attributes except secrets such as password-related properties.

How to list open ports in firewalld?

The services allowed to have open ports are listed as you can see from the screenshot below. If you want to see only the ports that are open, run the following command: $ sudo firewall-cmd –list-ports The open ports are listed as you can see from the screenshot below.

What ports are required for Active Directory?

The following is the list of services and their ports used for Active Directory communication: UDP Port 88 for Kerberos authentication UDP and TCP Port 135 for domain controllers-to-domain controller and client to domain controller operations. TCP Port 139 and UDP 138 for File Replication Service between domain controllers.

Which network ports do the clients use?

By default, the HTTP port that’s used for client-to-site system communication is port 80, and 443 for HTTPS. You can change these ports during setup or in the site properties. Non-configurable ports