If you’re wondering which VPN protocol uses UDP port 1701, the answer is L2TP/IPSec. This is a common protocol for VPNs, and it’s often used for routers and other devices that need to connect to a VPN.
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Introduction
As mentioned in the title, UDP port 1701 is the port used by the VPN protocol L2TP. It is a popular choice for VPNs, as it is very fast and secure. It is also used by some other protocols, such as SSTP and PPTP.
What is UDP Port 1701?
UDP port 1701 is used by L2TP (Layer 2 Tunneling Protocol). L2TP is a tunneling protocol used to connect VPNs (Virtual Private Networks). It uses UDP for data transfer and can be configured to use either IPSec or PPTP (Point-to-Point Tunneling Protocol) for security.
What is a VPN Protocol?
A VPN protocol is a set of encryption and authentication standards that govern how data is exchanged between computers on a VPN network. The most common protocols are PPTP, L2TP/IPSec, SSTP, and IKEv2.
PPTP (Point-to-Point Tunneling Protocol) is the most common protocol used by VPN providers. It uses a 128-bit encryption key and is supported by most devices and operating systems.
L2TP/IPSec (Layer 2 Tunneling Protocol/Internet Protocol Security) is a more secure protocol that uses 256-bit keys. It is less common than PPTP but is starting to gain traction due to its increased security.
SSTP (Secure Socket Tunneling Protocol) is a Microsoft protocol that uses SSL3.0 and 2048-bit encryption keys. It is supported by Windows Vista and later.
IKEv2 (Internet Key Exchange version 2) is a newer protocol that uses 256-bit keys and is supported by Windows 7 and later, iOS 6 and later, Android 4.0 and later, and OS X 10.8 Mountain Lion and later.
Which VPN Protocol Uses UDP Port 1701?
UDP port 1701 is used by the Point-to-Point Tunneling Protocol (PPTP). VPN servers that use this protocol listen for incoming PPTP connections on this port.
Conclusion
Different VPN protocols use different ports, and UDP port 1701 is associated with the L2TP protocol. If you’re looking for a VPN that uses this protocol, make sure to check that the provider offers it and that it’s compatible with your device.