Port 1701

Port 1701 is typically used for L2TP (Layer 2 Tunneling Protocol), which is a protocol used to establish a virtual private network (VPN) connection. The port is used for initiating and maintaining the connection between client and server.

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 1701
tcp
l2f
l2f
REGISTERED PORT
Port 1701
udp
l2f
l2f
REGISTERED PORT
Port 1701
tcp
l2tp
l2tp
REGISTERED PORT
Port 1701
udp
l2tp
l2tp
REGISTERED PORT

UnOfficial

Unofficialy or sometimes with conflict, the same port may be used by different applications.

Port Protocol (TCP/UDP) Description
TCP UDP Ports
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