What is TCP Port 135 Epmap?

Wikipedia. 135. tcp,udp. Microsoft EPMAP (End Point Mapper), also known as DCE/RPC Locator service, used to remotely manage services including DHCP server, DNS server and WINS (unofficial)

What is port Epmap?

epmap stands for End Point Mapper, and represents that your computer has established a listening port for another process.

Is it safe to leave port 135 open?

It is a sensitive port that is associated with a slew of security vulnerabilities and should never be exposed to the internet. However, Port 135 is needed in an active directory and server/client environment for many services to operate properly.

Should I open port 135?

Port 135 exposes where DCOM services can be found on a machine. Therefore, port 135 should not be exposed to the internet and must be blocked.

Why is my port 135 open?

The SCM server running on the user’s computer opens port 135 and listens for incoming requests from clients wishing to locate the ports where DCOM services can be found on that machine. Port 135 is certainly not a port that needs to be, or should be, exposed to the Internet.

Is it safe to open port 135?

Is port 135 required for SMB?

Open ports are necessary to communicate across the Internet. An infected computer will search its Windows network for devices accepting traffic on TCP ports 135-139 or 445 indicating the system is configured to run SMB.

Which is the only port open in TCP port 135?

I’ll quote just a snip that concerns my question – The only remaining opened port is TCP port 135. It is opened by the Remote Procedure Call (RpcSs) service and it is not possible to disable it because this service contains the COM service control manager, used by local processes.

What does port 135 mean in RPC service?

Windows uses port 135 for the RPC end-point mapper (epmap), which is basically used as a “directory assistance” type service that allows network-aware processes to inquire regarding the address (port) upon which certain services are running on a system.

Is it safe to use UDP port 135?

UDP port 135 would not have guaranteed communication in the same way as TCP. Because protocol TCP port 135 was flagged as a virus (colored red) does not mean that a virus is using port 135, but that a Trojan or Virus has used this port in the past to communicate.

How is port 135 used in SCM Server?

The Best Line of Defense. Port 135 is used in a manner that is similar to Sun’s UNIX use of port 111. The SCM server running on the user’s computer opens port 135 and listens for incoming requests from clients wishing to locate the ports where DCOM services can be found on that machine.