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Heya, first post on the forum. So, I always had issues while connecting with the UDP protocol. It always ended up with a: curl: (28) Operation timed out after 20000 milliseconds with 0 out of 0 bytes received Unfortunately I didn't find many posts about how to solve the problem or what may be the cause. Except for one post that said it had to with the MTU (Maximum transmission unit). I don't know the exact cause since I don't know a lot about networking. Maybe there is a better solution, if there is I'm more than happy to edit the post. Keep in mind that it helped me and may not help you, but it's always worth a shot. ------------------------------------------------------------ Windows ------------------------------------------------------------ 1. We want to find out what our current MTU is, most likely 1500 but it's always good to know what the default value is. 2. For this, we need to go into: Control Panel > Network and Internet > Network and Sharing Centre > Change adapter settings You're looking for the Tap-Windows Adapter (example included in hyperlink). You need the name for later which is my example, just "VPN" 3. Open cmd as an admin 4. Type netsh interface ipv4 set subinterface "YourInterfaceName" mtu=1200 store=persistent 5. And you're done! Try connecting to AirVPN with UDP again and tell me if it worked! You can try going higher, since I'm pretty sure it's better the higher it is. ------------------------------------------------------------ Linux ------------------------------------------------------------ This is only going to cover "NetworkManager" and "OpenVPN" If you're using something else, find your equivalent As a sidenote: I'm currently on Windows and can't confirm if it actually works, may update the post when I change back to Linux 1. Right-click the NetworkManager applet and choose Edit Connections 2. Double-click your VPN connection, in my case AirVPN_NL-Alblasserdam_Hydrus_TCP-433. Example 3. On the bottom above Save click Advanced... 4. Click on the checkbox that says Use custom tunnel Maximum Transmission Unit (MTU) 5. Enter 1200. Example 6. And you're done! Try connecting to AirVPN with UDP again and tell me if it worked! You can try going higher, since I'm pretty sure it's better the higher it is. ------------------------------------------------------------ This is the first guide I ever wrote on the internet. If you have any suggestions, grammar mistakes that you found, feel free to let me know. Fun Fact: My ping actually decreased from 60 to 48. I'm guessing because my ISP has a shitty routing system, not sure though. - Scy

I need help creating a vpn profile so that I can use vpn always on, on iOS. I read this article but still am having problems connecting. Please help http://simonguest.com/2013/03/22/on-demand-vpn-using-openvpn-for-ios/

Hello! I just downloaded AirVPN, and as I tried to log in with my newmade account, it said my account wasn`t active yet, and that I had to wait a minute and try again. I have waited for an hour or so, and still got the same problem. Can somebody help?

Hi guys, I set up Comodo Firewall in the way you descriped it on this tutorial https://airvpn.org/index.php?option=com_kunena&func=view&catid=3&id=3405&Itemid=142 I did everything correctly (I think so) but I'm still leaking DNS. When I access AirVPN homepage via VPNClient it says at the bottom "not connected" Any ideas how to fix this?? I can see my own IP address

Hello, I'm already some time here but I still can't find out what todo against this error: Can someone help me?