Write a customised VPN for Windows

The goal of the project is to create VPN servers that are behind a router that blocks incoming connections.

Just like in a normal VPN application, when you connect to the VPN server you can send and receive network packets using the IP address of the VPN server (and perhaps also access shared network drives), but the biggest difference here is that you cannot just connect to an open/filtered port as on a normal server! The VPN servers will be ordinary home or work computer devices that have firewalls and can be behind a NAT.

Assume that you can connect to the internet on these VPN servers, but that they have no dedicated open incoming ports (such as port 1701,1194, 80, 443, etc.) and you can’t change the router configuration. So You have to forward packets between the VPN server and the clients through a relay server.

Some things to consider in this project are TCP/UDP hole punching and the TUN/TAP virtual network interface.

Skills: Cisco, Linux, Network Administration, System Admin, Windows Server

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About the Employer:
( 0 reviews ) Toronto, Canada

Project ID: #18138927

6 freelancers are bidding on average $38/hour for this job


Greetings! I`d like to write a customised VPN for Windows. As for me, I'm a professional system admin with 10+ years of experience. My main specialization is LAMP stack of technologies (Linux, Apache, MySQL, PH More

$38 USD / hour
(37 Reviews)

Hi there! I am a system administrator security focused with 6+ years of experience configuring network solutions as vpn. I can help you to deploy your vpn as per your requirements. I would like to discuss the project d More

$50 USD / hour
(45 Reviews)

Hello Team, I am a seasoned IT professional with 13 years of IT experience in various IT infrastructure team. I have read your requirements and will be happy to provide you off the self open source product which More

$38 USD / hour
(11 Reviews)

Hi there, last week i was working on the same project except it was on one lan debian and on other side android. I successfully connected both LAN's to each other

$38 USD / hour
(1 Review)

Hello, Ilan here , hope all is well on your side . Will configure environment include isolated configurations for experience performance output on back-end as well. Looking forward hearing from you . LPIC , CEH , More

$30 USD / hour
(4 Reviews)

Hi, client. I am interesting in your task. I worked in network security as senior professional engineer for 10+ years. So I have fully experience in this field. I read your requirements carefully and understood your More

$33 USD / hour
(2 Reviews)