Port 3386 is typically used for the Microsoft Remote Desktop Gateway (RD Gateway) service, which allows remote users to securely connect to internal network resources using the Remote Desktop Protocol (RDP).
Ports those registered with IANA are shown as official ports. The same port number may be unofficialy used by various services or applications. The official usage are listed separately below its usage may change from time to time.
Official
Port |
Protocol (TCP/UDP) |
Title |
Description |
Port Type |
Port 3386 |
tcp |
gprs-data |
GPRS Data |
REGISTERED PORT |
Port 3386 |
udp |
gprs-sig |
GPRS SIG |
REGISTERED PORT |
UnOfficial
Unofficialy or sometimes with conflict, the same port may be used by different applications.
Port | Protocol (TCP/UDP) | Description |