Domain Controller Firewall Ports Client

Opening above ports in firewall between client computers and domain controllers or between domain controllers will enable active directory to function properly.

Domain controller firewall ports client. Windows server 2008 newer versions of windows server have increased the dynamic client port range for outgoing connections. Ten immutable laws of security version 2 0 domain controllers provide the physical storage for the ad ds. Tcp port 139 and udp 138 file replication service between domain controllers. The new default start port is 49152 and the default end port is 65535.

Both udp and tcp port 135 are required for communication between domain controllers and clients to domain controllers. Windows 10 client can join to windows 2019 ad domain with the following ports allow in firewall tcp 88 kerberos key distribution center tcp 135 remote procedure call tcp 139 netbios session service. It is a stateful packet inspection spi firewall login and intrusion detection mechanism and general security application for linux servers. Windows server 2008 and later versions.

Udp port 389 for ldap network port is used to handle normal authentication queries from client computers. Udp port 389 ldap to handle normal queries from client computers to the domain controllers. Tcp and udp port 53 for dns from client to domain controller and domain controller to domain controller. Tcp and udp port 445 file replication service.

Restricting active directory rpc traffic to a specific port. Tcp port 3268 and 3269 for global catalog from client to domain controller. The above ports needs to be opened in firewall between client computers and domain controllers or between domain controllers to function active directory properly. If a bad guy has unrestricted physical access to your computer it s not your computer anymore.

The domain controllers and active directory section in service overview and network port requirements for windows. Tcp port 3268 and 3269 for global catalog from client to domain controller. Securing domain controllers against attack. Tcp and udp port 464 kerberos password change.

9 minutes to read 5. I just want to know which port need to be open if i place firewall between windows client xp or 7 and domain controller window server 2008 r2 please note it is between client and dc and not between dc to dc. Tcp port 139 and udp 138 network ports are used by the sysvol replication service to replicate contents of sysvol folder. Windows server 2016 windows server 2012 r2 windows server 2012.

Therefore you must increase the rpc port range in your firewalls.