Client VPN slowness

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I have Client VPN set up on AWS, which connects to a business web app on EC2. I access it from a Windows 10 computer using OpenVpn GUI. The web app runs very slowly at times, where a page takes 5-10 seconds to load. Previously, when it was accessed directly and not through the VPN, the web app loaded pages in under 1 second. Is there any way to improve the speed of Client VPN?

asked 2 years ago1.3K views
2 Answers
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It may due to the internet connectivity speed and latency between your Windows PC and the Web EC2 if there is large among of data to be transferred in order to be load up a page. You can consider trying with another internet connection.

There is also another option that you can consider is running AWS workspaces (https://aws.amazon.com/workspaces/) such that your desktop client is close enough to the Web EC2 and you just send the screen output instead of the page content to your Windows client.

AWS
answered 2 years ago
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The number of seconds are unlikely caused by latency, even with very sub-optimal routing. This looks more like a timeout issue on some of the resources. I recommend that you look into the developer tools of your browser. Many have support for recording the network traffic. Check what is happening during the 5-10 seconds and look at the destination URLs. Maybe your web application is loading fonts or JavaScript from other web pages. Check the reachability of that URLs with and without ClientVPN. I guess you will find an indication here to decide on the next steps.

EXPERT
answered 2 years ago

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