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What ports are needed for Active Directory authentication?
AD uses the following ports to support user and computer authentication, according to the Active Directory and Active Directory Domain Services Port Requirements article:
- SMB over IP (Microsoft-DS): port 445 TCP, UDP.
- Kerberos: port 88 TCP, UDP.
- LDAP: port 389 UDP.
- DNS: port 53 TCP, UDP.
What ports need to be open for joining a domain?
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 are the firewall port needed to be open for Active Directory and DNS?
Active Directory
| Client Ports | Server Port | Protocol |
|---|---|---|
| 1024-65535/TCP | 1723/TCP | PPTP |
What ports does Windows authentication use?
Integrated Windows Authentication uses kerberos authentication using port 88 (GSSAPI’s). The Kerberos authentication allows for enumeration of an Active Directory Forest with child domains to be presented for selection of the sync. Complex queries used during the sync process against the Domain Controllers.
Which port is used by DNS?
port 53
DNS has always been designed to use both UDP and TCP port 53 from the start 1 , with UDP being the default, and fall back to using TCP when it is unable to communicate on UDP, typically when the packet size is too large to push through in a single UDP packet.
What are the ports for remote login and authentication?
User/Computer login and authentication. The following protocols and ports are required: * TCP/445 and UDP/445; Microsoft-DS for Server Message Block (SMB) over IP traffic. * TCP/88 and UDP/88; Kerberos authentication. * UDP/389; Lightweight Directory Access Protocol (LDAP) ping.
What kind of ports do I need for Windows Authentication?
The standard Windows authentication dialog box is displayed. Resolving The Problem. User/Computer login and authentication The following protocols and ports are required: * TCP/445 and UDP/445; Microsoft-DS for Server Message Block (SMB) over IP traffic * TCP/88 and UDP/88; Kerberos authentication
What are all ports rrequired by domain controllers and?
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. UDP Port 389 for LDAP to handle normal queries from client computers to the domain controllers.
What’s the default port number for Windows 2008?
Windows 2008, 2008 R2, Vista and Windows 7 Ephermeral Port range has changed from the ports used by Windows 2003 Windows XP, and Windows 2000. Default ephemeral (Random service ports) are UDP 1024 – 65535 (See KB179442 below), but for Vista and Windows 2008 it’s different.