| Port No | 135 |
| Service Name | RPC Endpoint Mapper |
| RFC Doc | 0 |
| Protocol | TCP |
| Description | DCE endpoint resolution. Used by Microsoft for RPC locator service. |
| Reference Link | RPC Endpoint Mapper: Port 135 |
| Attack | This is a sort of "RPC directory" service which can be used to lookup what ports other services are running on. |
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