Contents
What port is AD 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 is replication in Active Directory?
Active Directory replication is the method of transferring and updating Active Directory objects from one DC to another DC. The connections between DCs are built based on their locations within a forest and site. By mapping the IP address of a DC to a subnet, Active Directory knows which DCs are in which site.
What firewall settings should I use?
Best practices for firewall rules configuration
- Block by default. Block all traffic by default and explicitly enable only specific traffic to known services.
- Allow specific traffic.
- Specify source IP addresses.
- Specify the destination IP address.
- Specify the destination port.
- Examples of dangerous configurations.
How do I secure my firewall?
10 tips for improving security inside the firewall
- Remember that internal security is different from perimeter security.
- Lock down VPN access.
- Build Internet-style perimeters for partner extranets.
- Automatically track security policy.
- Shut off unused network services.
- Defend critical resources first.
What are the RPC ports?
By default, RPC dynamically allocates ports in the range of 1024 to 5000 for endpoints that do not specify a port on which to listen. This article uses the port range of 5001 to 5021. This reduces the number of ports that are available to RPC endpoints from 3,976 to 20.
How does LDAP replication work?
LDAP Sync replication is an object-based replication mechanism. When any attribute value in a replicated object is changed on the provider, each consumer fetches and processes the complete changed object, including both the changed and unchanged attribute values during replication.
How does Dfsr replication work?
DFS Replication uses a compression algorithm known as remote differential compression (RDC). RDC detects changes to the data in a file and enables DFS Replication to replicate only the changed file blocks instead of the entire file.
What is RPC port used for?
RPC dynamic port allocation is used by server applications and remote administration applications, such as Dynamic Host Configuration Protocol (DHCP) Manager, Windows Internet Name Service (WINS) Manager, and so on.
How to do Active Directory replication over firewalls?
Add a new DWORD value called TCP/IP Port (include the space). Set the value’s data to the port number that you want to use (remember to change the displayed base to decimal before you enter the data). Install the hotfix available in MSKB 2827870 if you implement this registry setting on Windows Server 2008 R2 domain controllers.
How to replicate files on a firewall with dfsrdiag?
Add a new DWORD value called RPC TCP/IP Port Assignment (include the spaces). Set the value’s data to the port number that you want to use (remember to change the displayed base to decimal before you enter the data). The Distributed File Services Replication Service includes the Dfsrdiag.exe command-line tool.
How to set the server RPC port for replication?
Set the value’s data to the port number that you want to use (remember to change the displayed base to decimal before you enter the data). The Distributed File Services Replication Service includes the Dfsrdiag.exe command-line tool. Dfsrdiag.exe can set the server RPC port that is used for administration and replication.
Which is pfSense firewall ports are required for AD replication?
Windows 2019 Server AD Domain Controller (LAB-WIN19 – 10.10.10