LeapZipBlog: freemexy's blog: What is VPN passthrough?

What is VPN passthrough?

September 24, 2019 by freemexy  

There is an increasing need to protect internet-enabled devices due to the rising demand in telecommunication. Individuals and companies are turning to VPN for online safety. Luckily, the majority of employees in tech-savvy businesses have realized the importance of consumer-grade routers in their broadband connections. These technologies make life easier as they facilitate NAT-friendly VPN passthrough without necessarily changing the router settings to successfully enable a safe VPN tunnel. @$#f$234
Most devices connect to the World Wide Web through a router, which is a NAT (Network Address Translation) device. Intrinsically, the Point-to-Point Tunneling Protocol and NAT do not work in tandem. Note that most VPN connections begin right behind the router, hence traversing a NAT becomes an issue. PPTP passthrough comes in to allow a VPN network to cross over the NAT with ease. NAT or PAT doesn't work without ports. It is thus important that you learn the functions of NAT and how it relies on ports. Keep reading to understand more about VPN gateways.
Simply put, a VPN passthrough is a feature of a router that allows devices on private networks to entrench outbound VPN without encumbrance. This feature only applies to outbound VPNs as opposed to inbound VPNs. The reason it's referred to as ‘passthrough' is that it permeated VPN traffic to transverse the router. In this case, the ports aren't required to enable it as it works automatically.
VPNs have different protocols, but many use IPsec and PPTP. So, if you see any router claiming to support VPN passthrough, rest assured it supports these two protocols. In essence, VPN passthrough combines IPSec and PPTP passthrough. It is important to note that the two conventions are handled differently. Natively, the VPN gateway doesn't support VPN technology. Due to the complexity of the VPNs, you have to switch on the pass-through function on your router every time you want to log into a VPN through a business notebook.VPN download