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Blocked internet connection Windows

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I am experiencing an intermittent issue on Windows 10 with blocked internet connection. The issue comes and goes. When the issue happens I cannot reach any internet traffic like google.com, but internal network access works fine and other devices on the same network are able to connect to internet just fine. Without an action from me the issue usually goes away after 10-20 minutes. I have tried various windows repair tools, as well as disabling firewall and this has not helped.
Getting to why I'm writing on AirVPN forum - I use the EddieUI client. I have tried to open EddieUI when I experienced the issue and connect to a VPN server which was not successful. But when I closed EddieUI the internet connection was working again. I have since been able to reproduce this behavior a couple of times - when the internet connection gets blocked, I open EddieUI, click exit and after the exit is complete the internet connection is restored. Looking for advice on how to prevent this issue from happening. I have used EddieUI 2.16.3, 2.18.9 and currently on 2.21.8. Network lock is not active, but I have used it in the past.

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When the issue occurs, launch Eddie as usual but then make a system report and paste/upload it here. It seems to be a problematic configuration of DNS.


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Will do, but I don't think it's DNS, because when the issue happens I'm also not able to ping known DNS servers by IP address.

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5 hours ago, xvq said:

Will do, but I don't think it's DNS, because when the issue happens I'm also not able to ping known DNS servers by IP address.


The system report will show. A few connection tests are run before it's compiled.

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Eddie System/Environment Report - 1/7/2023 - 6:47 PM UTC

Eddie version: 2.21.8
Eddie OS build: windows_x64
Eddie architecture: x64
OS type: Windows
OS name: Windows 10 Home
OS version: Microsoft Windows NT 10.0.19045.0
OS architecture: x64
Mono /.Net Framework: v4.0.30319
OpenVPN: 2.5.5 - OpenSSL 1.1.1l  24 Aug 2021, LZO 2.10 (C:\Program Files\AirVPN\openvpn.exe)
Hummingbird: Not available
WireGuard: 0.5.2
SSH: plink 0.73 (C:\Program Files\AirVPN\plink.exe)
SSL: stunnel 5.56 (C:\Program Files\AirVPN\stunnel.exe)
Profile path: C:\Users\xxx\AppData\Local\Eddie\default.profile
Data path: C:\Users\xxx\AppData\Local\Eddie
Application path: C:\Program Files\AirVPN
Executable path: C:\Program Files\AirVPN\Eddie-UI.exe
Command line arguments: (1 args) path="home"
Network Lock Active: No
Connected to VPN: No
OS support IPv4: Yes
OS support IPv6: Yes
Detected DNS: 192.168.0.1, 205.171.3.65
Test DNS IPv4: Ok
Test DNS IPv6: Failed
Test Ping IPv4: Failed
Test Ping IPv6: Failed
Test HTTP IPv4: Error: Fetch url error:Timeout was reached
Test HTTP IPv6: Error: Fetch url error:Couldn't connect to server
Test HTTPS: Error: Fetch url error:Timeout was reached
----------------------------
Important options not at defaults:

login: (omissis)
password: (omissis)
remember: True

----------------------------
Logs:

. 2023.01.07 10:46:35 - Eddie version: 2.21.8 / windows_x64, System: Windows, Name: Windows 10 Home, Version: Microsoft Windows NT 10.0.19045.0, Mono/.Net: v4.0.30319
. 2023.01.07 10:46:35 - Command line arguments (1): path="home"
. 2023.01.07 10:46:38 - Reading options from C:\Users\xxx\AppData\Local\Eddie\default.profile
. 2023.01.07 10:46:40 - OpenVPN - Version: 2.5.5 - OpenSSL 1.1.1l  24 Aug 2021, LZO 2.10 (C:\Program Files\AirVPN\openvpn.exe)
. 2023.01.07 10:46:40 - SSH - Version: plink 0.73 (C:\Program Files\AirVPN\plink.exe)
. 2023.01.07 10:46:40 - SSL - Version: stunnel 5.56 (C:\Program Files\AirVPN\stunnel.exe)
I 2023.01.07 10:46:41 - Ready

----------------------------
Network Interfaces and Routes:

{
    "routes": [
        {
            "destination": "0.0.0.0\/0",
            "gateway": "192.168.0.1",
            "interface_index": 18,
            "metric": 0,
            "interface": "{C681D195-7BE1-4EB7-B817-1840EFA8B013}"
        },
        {
            "destination": "127.0.0.0\/8",
            "gateway": "0.0.0.0",
            "interface_index": 1,
            "metric": 256,
            "interface": "{75E9EFB5-633C-11EA-8C84-806E6F6E6963}"
        },
        {
            "destination": "127.0.0.1\/32",
            "gateway": "0.0.0.0",
            "interface_index": 1,
            "metric": 256,
            "interface": "{75E9EFB5-633C-11EA-8C84-806E6F6E6963}"
        },
        {
            "destination": "127.255.255.255\/32",
            "gateway": "0.0.0.0",
            "interface_index": 1,
            "metric": 256,
            "interface": "{75E9EFB5-633C-11EA-8C84-806E6F6E6963}"
        },
        {
            "destination": "192.168.0.0\/24",
            "gateway": "0.0.0.0",
            "interface_index": 18,
            "metric": 256,
            "interface": "{C681D195-7BE1-4EB7-B817-1840EFA8B013}"
        },
        {
            "destination": "192.168.0.17\/32",
            "gateway": "0.0.0.0",
            "interface_index": 18,
            "metric": 256,
            "interface": "{C681D195-7BE1-4EB7-B817-1840EFA8B013}"
        },
        {
            "destination": "192.168.0.255\/32",
            "gateway": "0.0.0.0",
            "interface_index": 18,
            "metric": 256,
            "interface": "{C681D195-7BE1-4EB7-B817-1840EFA8B013}"
        },
        {
            "destination": "224.0.0.0\/4",
            "gateway": "0.0.0.0",
            "interface_index": 1,
            "metric": 256,
            "interface": "{75E9EFB5-633C-11EA-8C84-806E6F6E6963}"
        },
        {
            "destination": "224.0.0.0\/4",
            "gateway": "0.0.0.0",
            "interface_index": 18,
            "metric": 256,
            "interface": "{C681D195-7BE1-4EB7-B817-1840EFA8B013}"
        },
        {
            "destination": "255.255.255.255\/32",
            "gateway": "0.0.0.0",
            "interface_index": 1,
            "metric": 256,
            "interface": "{75E9EFB5-633C-11EA-8C84-806E6F6E6963}"
        },
        {
            "destination": "255.255.255.255\/32",
            "gateway": "0.0.0.0",
            "interface_index": 18,
            "metric": 256,
            "interface": "{C681D195-7BE1-4EB7-B817-1840EFA8B013}"
        },
        {
            "destination": "::1\/128",
            "gateway": "::",
            "interface_index": 1,
            "metric": 256,
            "interface": "{75E9EFB5-633C-11EA-8C84-806E6F6E6963}"
        },
        {
            "destination": "fe80::\/64",
            "gateway": "::",
            "interface_index": 18,
            "metric": 256,
            "interface": "{C681D195-7BE1-4EB7-B817-1840EFA8B013}"
        },
        {
            "destination": "fe80::e406:402e:51be:3f32\/128",
            "gateway": "::",
            "interface_index": 18,
            "metric": 256,
            "interface": "{C681D195-7BE1-4EB7-B817-1840EFA8B013}"
        },
        {
            "destination": "ff00::\/8",
            "gateway": "::",
            "interface_index": 1,
            "metric": 256,
            "interface": "{75E9EFB5-633C-11EA-8C84-806E6F6E6963}"
        },
        {
            "destination": "ff00::\/8",
            "gateway": "::",
            "interface_index": 18,
            "metric": 256,
            "interface": "{C681D195-7BE1-4EB7-B817-1840EFA8B013}"
        }
    ],
    "ipv4-default-gateway": "192.168.0.1",
    "ipv4-default-interface": "{C681D195-7BE1-4EB7-B817-1840EFA8B013}",
    "interfaces": [
        {
            "friendly": "Ethernet 3",
            "id": "{C681D195-7BE1-4EB7-B817-1840EFA8B013}",
            "name": "Ethernet 3",
            "description": "Realtek PCIe GbE Family Controller #2",
            "type": "Ethernet",
            "status": "Up",
            "bytes_received": "7825455",
            "bytes_sent": "159295368",
            "support_ipv4": true,
            "support_ipv6": true,
            "ips": [
                "fe80::e406:402e:51be:3f32",
                "192.168.0.17"
            ],
            "bind": true,
            "dns4": "",
            "dns6": null
        },
        {
            "friendly": "Loopback Pseudo-Interface 1",
            "id": "{75E9EFB5-633C-11EA-8C84-806E6F6E6963}",
            "name": "Loopback Pseudo-Interface 1",
            "description": "Software Loopback Interface 1",
            "type": "Loopback",
            "status": "Up",
            "bytes_received": "0",
            "bytes_sent": "0",
            "support_ipv4": true,
            "support_ipv6": true,
            "ips": [
                "::1",
                "127.0.0.1"
            ],
            "bind": true,
            "dns4": "",
            "dns6": null
        }
    ]
}
----------------------------
ipconfig /all:

Windows IP Configuration

   Host Name . . . . . . . . . . . . : DESKTOP-xxx
   Primary Dns Suffix  . . . . . . . :
   Node Type . . . . . . . . . . . . : Hybrid
   IP Routing Enabled. . . . . . . . : No
   WINS Proxy Enabled. . . . . . . . : No
   DNS Suffix Search List. . . . . . : Home

Ethernet adapter Ethernet 3:

   Connection-specific DNS Suffix  . : Home
   Description . . . . . . . . . . . : Realtek PCIe GbE Family Controller #2
   Physical Address. . . . . . . . . : xxx
   DHCP Enabled. . . . . . . . . . . : Yes
   Autoconfiguration Enabled . . . . : Yes
   Link-local IPv6 Address . . . . . : fe80::e406:402e:51be:3f32%18(Preferred)
   IPv4 Address. . . . . . . . . . . : 192.168.0.17(Preferred)
   Subnet Mask . . . . . . . . . . . : 255.255.255.0
   Lease Obtained. . . . . . . . . . : Saturday, January 7, 2023 10:43:27 AM
   Lease Expires . . . . . . . . . . : Sunday, January 8, 2023 10:43:26 AM
   Default Gateway . . . . . . . . . : 192.168.0.1
   DHCP Server . . . . . . . . . . . : 192.168.0.1
   DHCPv6 IAID . . . . . . . . . . . : 288398371
   DHCPv6 Client DUID. . . . . . . . : xxx
   DNS Servers . . . . . . . . . . . : 192.168.0.1
                                       205.171.3.65
   NetBIOS over Tcpip. . . . . . . . : Enabled
 

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On 1/7/2023 at 7:56 PM, xvq said:

            "dns4": "",


Interesting. While the output of ipconfig prints two set v4 DNS servers, Eddie doesn't detect them.

Do the following: In a PowerShell/CMD, execute this:
> netsh.exe interface ipv4 set dnsservers "Ethernet 3" static 205.171.3.65 both yes
> netsh.exe interface ipv4 set dnsservers "Ethernet 3" static 192.168.0.1 primary yes
See if there are any errors when validating. After your tests, revert to DHCP:
> netsh.exe interface ipv4 set dnsservers "Ethernet 3" dhcp
.

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I ran all 3 commands successfully, both when I had the reported issue and when internet worked fine. Running the first 2 commands did not change anything and no errors showed up. Not sure what you meant by validating.

I'll probably do a system reinstall, I've already wasted enough time on this :(

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18 hours ago, xvq said:

Not sure what you meant by validating.


It's a check whether the DNS servers work. As there were no errors, we can say for sure the DNS servers entered are valid and working.

Not sure why Eddie would not detect those DNS servers, to be honest. If you're about to reinstall, anyway, we'll stop the troubleshooting. Give some feedback on whether this "solved" it afterwards, please.

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Want to contact me directly? All relevant methods are on my About me page.

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Windows reset resolved the issue. Slowly reinstalling software to be able to detect if any specific app is the cause. So far have not installed Eddie.

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