What ports are needed for domain login?
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What ports are needed for domain login?
At a minimum, they must listen on these required ports: UDP Port 88 is required for authentication purposes. UDP Port 88 is used by clients and domain controllers to authenticate with each other. Both UDP and TCP Port 135 are required for communication between domain controllers and clients to domain controllers.
What ports need to be open for domain trust?
Below is a list of ports which need to be enabled on the firewall for a trust relationship:
- PORT 135 (TCP or UDP) for Remote Procedure Call(RPC)Service.
- PORT 137 (UDP) for NetBIOS Name Service.
- PORT 138 (UDP) for NetBIOS datagram (Browsing)
- PORT 139 (TCP) for NetBIOS session (NET USE)
What is port 445 used for on domain controller?
UDP Port 389 for LDAP to handle normal queries from client computers to the domain controllers. TCP and UDP Port 445 for File Replication Service. TCP and UDP Port 464 for Kerberos Password Change. TCP Port 3268 and 3269 for Global Catalog from client to domain controller.
What is domain firewall?
Windows Firewall offers three firewall profiles: domain, private and public. The domain profile applies to networks where the host system can authenticate to a domain controller. The private profile is a user-assigned profile and is used to designate private or home networks.
What is domain port?
Domain names don’t refer to specific ports. They just refer to IP addresses. The client can look up a hostname to get the IP address which the client should connect to, but the client has to figure out the port without the help of DNS. Port 80 is just the default port for HTTP service.
Do I need a domain network firewall?
For mobile computers in domain environments, you typically need to apply firewall rules only to the Domain profile. If you do not have an Active Directory domain or if users need to use the firewall rule when connected to their home networks, apply the rule to the Private profile.
What is a domain on a network?
A domain, in the context of networking, refers to any group of users, workstations, devices, printers, computers and database servers that share different types of data via network resources. There are also many types of subdomains.
What is port 53 domain used for?
DNS uses Port 53 which is nearly always open on systems, firewalls, and clients to transmit DNS queries. Rather than the more familiar Transmission Control Protocol (TCP) these queries use User Datagram Protocol (UDP) because of its low-latency, bandwidth and resource usage compared TCP-equivalent queries.