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[GH-ISSUE #69] Handshake did not complete + 92 bytes received (with ProtonVPN free server's config) #43
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amnezia-vpn/amneziawg-windows-client#43
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Originally created by @l4kt0Bionic on GitHub (Aug 30, 2025).
Original GitHub issue: https://github.com/amnezia-vpn/amneziawg-windows-client/issues/69
Description
Describe the bug:
As described on title
To Reproduce
Steps to reproduce the behavior:
Go to AmneziaWG
Use any available free ProtonVPN config used on AWG app
Try to connect via the free ProtonVPN AWG config
Have no further response from server; you get only 92 bytes of that, and there's no handshake
Expected behavior
I expected to activate my config completely, so I could access the Internet with it, however I'm not able to do that, so far
Log files
Logs of config are available on screenshot
As an example, I'm gonna use my 'plsdontfail1' config which has these settings:
[Interface]
PrivateKey = my private key
Jc = 4
Jmin = 40
Jmax = 70
H1 = 1
H2 = 2
H3 = 3
H4 = 4
Address = 10.2.0.2/32
DNS = 10.2.0.1
MTU = 1420
[Peer]
PublicKey = 9Yy7..., etc.
AllowedIPs = 0.0.0.0/0, ::/0
Endpoint = 149.88.103.48:51820
Screenshots
Desktop:
OS: Windows 10 Home
Version: AmneziaWG 1.0.2
Additional context
Have been having this since the power outage and D-LINK router's reboot on 27th of August
I tried to connect with the configs while router was having an issue with recovering an access to Internet
Since then, I always stumble on this issue when trying to connect with ProtonVPN config
However, the only time when I could have an access to Internet with it was yesterday, then it got worse today
Before the power outage, I haven't had any issue related to accessibility with configs as I could browse anywhere
Please, let me know how to resolve this
I'm not a professional, so keep it in mind
@l4kt0Bionic commented on GitHub (Aug 30, 2025):
Moved issue to here
@l4kt0Bionic commented on GitHub (Aug 30, 2025):
I just managed to track the packets (with Wireshark) going thru the VPN config and network while using WG with ProtonVPN free server's config
If anyone is reading this issue thread, feel free to ask me about what I got from tracking
@l4kt0Bionic commented on GitHub (Aug 30, 2025):
I found out that there's a 100% packet loss when pinging 8.8.8.8 on cmd
@l4kt0Bionic commented on GitHub (Aug 30, 2025):
Same thing when I pinged IpV4 DNS Server (it said total failure)
Though I managed to ping IpV4 address itself
@l4kt0Bionic commented on GitHub (Aug 31, 2025):
My network is behind CGNAT, I just checked out
Maybe that'll help me out...
@l4kt0Bionic commented on GitHub (Aug 31, 2025):
Alright, I got a BIG PROGRESS, this time. And it promises to change the situation.
UDP 51820 port was closed, I managed to find it out by testing.
I need to know how to resolve this...
Please, don't be afraid to approach me!! I'd like to find out myself.
And it's possible I was able to connect my VPN with CGNAT IP on my router before, so go ahead and offer your own solution.
@l4kt0Bionic commented on GitHub (Aug 31, 2025):
The issue might be resolved soon.
The network I'm on right now shows more instability (more random disconnections after a power outage related to DNS issues)
Whether the repair lets me connect to Internet properly in general, I'll find out soon...
@l4kt0Bionic commented on GitHub (Aug 31, 2025):
For some reason, CGNAT now messes around and creates more issues, even though it doesn't and didn't have any rule to close a port I'm connecting thru VPN with (UDP 51280 port)