Contents
What ports does Active Directory use?
Active Directory
| Client Ports | Server Port | Protocol |
|---|---|---|
| 1024-65535/TCP | 1723/TCP | PPTP |
What ports are required for Active Directory replication?
More Info:
| Port | Use |
|---|---|
| 88 | Kerberos |
| 135 | TCP for RPC, EPM (Replication) |
| 389 | TCP, UDP for LDAP (Directory, Replication, User and Computer Authentication, Group Policy, Trusts) |
| 445 | TCP, UDP for SMB, CIFS, SMB2, DFSN, LSARPC, NbtSS, NetLogonR, SamR, SrvSvc (Replication, User and Computer Authentication, Group Policy, Trusts) |
What ports are needed to join 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)
How do I change the Active Directory LDAP port?
Configure the Firebox to Use the Global Catalog Port
- Select Authentication > Servers. The Authentication Servers page appears.
- In the Server list, select Active Directory.
- Select a server and click Edit.
- In the Port text box, clear the contents and type 3268.
- Click Save.
Is SMB required for Active Directory?
At least there SMB (used by shares and share access by clients) is indispensable. In a Active Directory environment at least domain controllers definitely need administrative shares …
Can we change LDAP port?
You can’t change default AD port neither you can completely disable port 389 even though you enable LDAPS. The reason is application will try to use LDAP over SSL when enabled, on failing it will try to use 389 port.
What is the default port for LDAP Active Directory?
port 389
If your Firebox is configured to authenticate users with an Active Directory (AD) authentication server, it connects to the Active Directory server on the standard LDAP port by default, which is TCP port 389.
Is SMB UDP or TCP?
The SMB protocol relies on lower-level protocols for transport. The Microsoft SMB protocol was often used with NetBIOS over TCP/IP (NBT) over UDP, using port numbers 137 and 138, and TCP port numbers 137 and 139.