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What are DCOM ports?
DCOM (Distributed Component Object Model) is a framework used by Windows to allow COM components to work over the network. Unlike your traditional TCP/IP and UDP/IP services where a single protocol has a fixed port DCOM dynamically assigns ports for the COM objects it remotes.
Is DCOM TCP?
DCOM can use either TCP or UDP; under Windows NT 4, it defaults to using UDP, while most other DCOM implementations default to using TCP. If the default version of RPC does not work, servers will use the other.
What ports are needed for DFS?
Ports required:
| Service Name | Relevant Computers | TCP |
|---|---|---|
| LDAP Server | Domain controllers | 389 |
| Remote Procedure Call (RPC) endpoint mapper | Domain controllers | 135 |
| Server Message Block (SMB) | Domain controllers; root servers that are not domain controllers; servers acting as link targets; client computers acting as link targets | 445 |
What ports does DPM use?
The DPM data channel is based on TCP. Both DPM and the protected computer initiate connections to enable DPM operations such as synchronization and recovery. DPM communicates with the agent coordinator on port 5718 and with the protection agent on port 5719.
What is DCOM protocol?
The Distributed Component Object Model (DCOM) is a protocol that enables software components to communicate directly over a network in a reliable, secure, and efficient manner. Previously called “Network OLE,” DCOM is designed for use across multiple network transports, including Internet protocols such as HTTP.
Is port 135 TCP or UDP?
Active Directory (local security authority)
| Application protocol | Protocol | Ports |
|---|---|---|
| NAT-T | UDP | 4500 |
| RPC | TCP | 135 |
| RPC randomly allocated high TCP ports¹ | TCP | 1024 – 5000 49152 – 65535² |
| SMB | TCP | 445 |
What port does NetLogon use?
More information
| Client Port(s) | Server Port | Service |
|---|---|---|
| 1024-65535/TCP | 135/TCP | RPC Endpoint Mapper |
| 1024-65535/TCP | 1024-65535/TCP | RPC for LSA, SAM, NetLogon (*) |
| 1024-65535/TCP/UDP | 389/TCP/UDP | LDAP |
| 1024-65535/TCP | 636/TCP | LDAP SSL |
What is the use of port 5000?
GRC | Port Authority, for Internet Port 5000. Description: This TCP port is opened and used by Universal Plug N’ Play (UPnP) devices to accept incoming connections from other UPnP devices. UPnP devices connect to each other using TCP protocol over port 5000.
What ports must be open for DCOM over a firewall What is the purpose of port 135?
TCP port 135 is the DCE endpoint resolution point that is used by DCOM. By default, DCOM assigns ports dynamically from the TCP port range of 1024 through 65535. However, you can use Component Services to adjust the TCP port range.
What port does dcdcom use?
DCOM (Distributed Component Object Model) is a framework used by Windows to allow COM components to work over the network. The SCM always operates at a fixed network port on every computer; this is always port 135 for both TCP and UDP. Correspondingly, what port is RPC using?
What is DCOM port 135 used for?
What are DCOM ports? DCOM (Distributed Component Object Model) is a framework used by Windows to allow COM components to work over the network. The SCM always operates at a fixed network port on every computer; this is always port 135 for both TCP and UDP.
What ports does WMI use for DCOM?
By default, WMI (DCOM) uses a randomly selected dynamic port range for TCP between 49152 and 65535. For more information on this port range, see this Microsoft article .
What is DCOM in computer network?
DCOM is a programming construct that allows a computer to run programs over the network on a different computer as if the program was running locally. DCOM is an acronym that stands for Distributed Component Object Model. DCOM is a proprietary Microsoft software component that allows COM objects to communicate with each other over the network.