Wsl2 vpn issues. Apr 10, 2020 · I'm using MS v.

Wsl2 vpn issues. DNS Issues (Temporary failure in name resolution) #6404 Open devshashankb opened on Jan 5, 2021 Dec 15, 2024 · Description： I am experiencing an issue with the GitHub Copilot Chat plugin in Visual Studio Code on WSL2. 3. The issue arises because the automatic DNS configuration in WSL2 does not work properly when using the VPN. Internet access is fine with wsl2 but connecting to a host inside a VPN tunneled network, the name can be resolved to an IP but then timeouts (wireshark says tcp retransmission). During this time, Command Prompt and Powershell terminals (on the same Windows Machine as the WSL2 instance) can and will correctly resolve these names. 4. Jan 30, 2023 · VPN establishment capability for a remote user is disabled. 80 WSL2 not using host's VPN connection (#9004), similarity score: 0. py. This post details all of the solutions I tried and the one that finally worked. Feb 27, 2024 · WSL2 uses a random network from the 172. The article WSL2 Network Issues and Win 10 Fast Start-Up advises to disable Fast Startup in Windows: Another explanation is that switching networks (as between work and home) confuses WSL. Jun 14, 2024 · View similar issues Please view the issues below to see if they solve your problem, and if the issue describes your problem please consider closing this one and thumbs upping the other issue to help us prioritize it! Open similar issues: WSL2 - No internet connectivity. This is seen whether the WSL environment is brought up before or after the VPN tunnel is established. All was good until I hit a wall – no network access when my AnyConnect VPN kicked in (Windows Host). Two options: First, if your use-case supports it, use a WSL1 instance when you are connected to the VPN. Because it shares the network interface with Windows, it will still have access to the network (and resources on the VPN) when the VPN is attached in Windows. 04 unable to connect to IP resources with Cisco Annyconnect active Checkpoint VPN breaks network connectivity WSL2 fails to make HTTPS connection if Windows is using VPN I haven't tried any of these myself, but some workarounds I noticed: Try AnyConnect client from the Microsoft Store - but Jun 24, 2022 · I was using both a VPN (Private Internet Access) and Ubuntu WSL1 on Windows 10 with no problem. To restore connectivity to the internet I have to do wsl --shutdown in PowerShell. Jun 10, 2020 · Then installed Ubuntu 18. Again, I tried to evaluate the behavior of the Wifi when I entered newsboat to update the feed, and it coincided that when I updated the feed, the internet service dropped again. We try to reach ipv6 on the internet or via vpn (both did not work). Jan 24, 2024 · Open similar issues: Starting VPN failed when WSL with networkingMode=mirrored is running (#10830), similarity score: 0. Expected Behavior IP routing and DNS work Actual Behavior DNS works, IP routing does not work Diagnostic Logs HNS objects: { "ActivityId":"7409B918-3C08-43A0-B996 Jul 13, 2022 · I've set up wsl2 with ssh and successfully installed the VPN. May 21, 2025 · Overview Internet connection and DNS routing are broken from WSL2 instances, when some VPNs are active. 12-16 and Windows Subsystem for Linux (WSL) 2004. wsl-vpnkit is intended to help when more than a DNS server change is needed. Step 3 - Delete current `resolv. at this time, windows queries 192. However WSL2 doesn't have out-of-box connectivity with internet once you connect with vpn. Fix for WSL 2 connectivity with CheckPoint VPN This is a batch script to automatically disable and re-enable the network interface used by WSL 2 to fix connection problems caused by the Check Point VPN client. Jun 8, 2022 · Since WSL2 is a separate local network location, it cannot operate when connected to the VPN. WSL 2 uses a Hyper-V Virtual Network adapter. You should still be able to connect to servers on the VPN though if the DNS is configured correctly (or fixed in WSL2 as above). When using versions v0. 2004 (build 19041) with UBUNTU linux on WSL2. 81 Feb 3, 2022 · But now, if I open a process from my Windows host (like a simple web server with a simple page) I can't access from WSL2 when Cisco AnyConnect VPN is connected This script is designed to fix DNS resolution issues in WSL2 when using the Cisco AnyConnect VPN client in a full tunnel setup. However when a Cisco AnyConnect VPN session is established Firewall Rules and Routes are added which breaks connectivity within the WSL 2 VM. This Powershell script is designed to specifically address this issue when using a GlobalProtect VPN client. Why Can’t I Connect? Mar 22, 2023 · I ran into problems using Cisco AnyConnect VPN from inside of WSL2. 1 and fails? Dec 7, 2023 · I recently had to dive into the Windows 11 world with a fancy laptop and run WSL2 (Ubuntu). Network connectivity works without any issue when a VPN is not in use. Jun 3, 2025 · This fixed my issue of Technitium DNS Server not working in Docker on a Windows host using WSL 2 backend. Jul 11, 2023 · I'm running a WSL2, Ubuntu 22, within Windows 10. 04 LTS with WSL2 and ran into exactly the same problem - no internet. WSL doesn't have access to Internet when the GlobalProtect Sep 14, 2025 · Why Your WSL2 Isn’t Connecting Through Your VPN Before we dive into fixing it, let’s quickly touch on why this problem happens. Server not accessible from Windows11 [experimental] networkingMode=mirrored (#10785), similarity score: 0. This is not a rare problem, but none of the existing issues on the WSL GitHub page worked for me. 78 Nov 21, 2024 · Enable mirrored networking Connect via VPN (Cisco AnyConnect) Connect via second VPN (CheckPoint Securemote) - new routes for target networks are added Make ssh from windows cmd - works Make ssh from any WSL2 distro - connection timed out We use AnyConnect to connect to company network. 1-1 Distro Version ubuntu kali Other Software No response Repro Steps nothing Expected Behavior if i enable vpn on wind Aha! I have Cloudflare WARP running locally, which is essentially my VPN, but more importantly it hijacks my DNS to provide protection… I then tweaked my Google search (“cloudflare warp wsl2 temporary failure in name resolution) and that yielded the results I was expecting - a number of Cloudflare community posts. WSL2 + vpn. fr <timeout> I know all about WSL2 connectivity issues with VPN and cisco anyconnect. 9 breaks it: It adds a route for wsl2 with a low metric 2, lower than 5256, which causes vpn becomes the chosen route, and of course that will never work. Jul 9, 2025 · WSL 2 uses a Hyper-V Virtual Network adapter. Jan 6, 2022 · What worked is sudo ip link set eth0 mtu 1420 in WSL2 (1420 taken from Wireguard entry in the output of netsh interface ipv4 show subinterface on the host). Nov 11, 2016 · A brief description I've L2TP/IPsec vpn connection without default gateway set and own DNS server Expected results Bash should add VPN DNS IP to /etc/resolv. com). When I don't use VPN on windows , everything is fine - I have internet connection on windows and wsl2 ubuntu. Citrix Netscaler says, that it has tunneled that connection in the "tunneled application Aug 4, 2023 · Issue Description I'm using Podman on Windows via Podman Desktop and experience issues with the Fedora machine installed on WSL2. I'm sharing my solution as a step-by-step guide for my reference and to help anyone with the same problem. exe /all and grab the DNS address under your VPN name. No VPN, no firewall. This issue can prevent you from accessing websites in WSL2, but it can be easily resolved with a few simple changes. Script to automate fixing WSL2 VPN connections. open Microsoft Store -> Search and Install Anyconnect -> the vpn connection now works with WSL2. Oct 23, 2023 · We will collect the data in the next days because I'm out of office. 80 [WSL2] Checkpoint VPN breaks network connectivity (#4246), similarity score: 0. de for example. 143. Jan 24, 2022 · WSL 2 and VPN MTU mismatch leads to dropped connections This post is all about the second issue. The following steps will enable your system to run a script everytime the cisco anyclient is connected to the vpn. The recommendations that I was finding online was not great Jun 29, 2019 · metawave commented on Apr 20, 2020 I have a similar problem with Citrix Netscaler VPN at work, which only tunnels some networks. This problem is tracked in multiple microsoft/WSL issues including, but not limited to: microsoft/WSL#5068 microsoft Apr 10, 2020 · I'm using MS v. conf: a configuration file for an OpenVPN client on WSL2 conf/wsl. Developers on corporate networks may find that the typical instructions for installing WSL2 do not work. conf: a configuration file for WSL to rename the hostname of WSL2 bin/start-services. I have a problem where WSL2 locks up, networking and/or generally. This issue is tracked WSL/issues/4277 Below outline steps to automatically configure the Interface metric on VPN connect and update DNS Before setting up wsl-vpnkit, check if a DNS server change may be enough to get connectivity by pinging a public IP address from WSL 2. It configures interface metrics and DNS settings, and includes automation instructions. 2022. So is your WSL2 container domain joined to the same Active Directory/Kerberos domain as the target SQL Server? If not you'll need to use SQL Logon authentication with a username and password (UID and PWD). Windows is the operating system I get to use on these. You will need to fix 1) before you tackle 2). The ssh -vvv @ hangs at: 'set_sock_tos: set socket 3 IP_TOS 0x10' After much grief, the fix was to reinstall the Microsoft Windows 11 default VPN router, versus use For Palo Alto Networks Global Protect VPN client there are two issues adressed here: First when connecting Global Protect VPN connection the internet connectivity of the WSL2 guest operative system goes away. Taken from this post This video explains the fix to solve internet issues on WSL Linux machine, if you are on a VPN. The issues has been that either you choose WSL1 Apr 11, 2022 · The WSL2 network is a "separate device"/network from the perspective of Windows. HELP! Support Request I'm using an openconnect script to access my work's VPN. Mar 14, 2021 · In my last article on WSL 2 VPN issues, I detailed the most common networking problems that occur when using WSL 2 and a VPN at the same time. Jun 29, 2019 · FWIW I've experienced what sounds like a similar issue, and I don't use Checkpoint VPN. It's great alternative to cygwin which can't run native Linux apps. wsl --shutdown hangs. . 685`] Your Distribution version This is the Windows Subsystem for Linux (WSL, WSL2, WSLg) Subreddit where you can get help installing, running or using the Linux on Windows features in Windows 10. But then I lose docker Dec 3, 2021 · 24 There is more than one cause for this problem. Docker for Windows is not required anymore. However, if you are using WSL for the company you are working for, it might be that the VPN solution may affect network connectivity in WSL, resulting in no internet connectivity. Changing the Interface Metric 1 -> 6000 for AnyConnect VPN Adapter resolves the connection issue, but this has to be done after each time the VPN connects. And our VPN uses that address block, too, with a route metric of 1 (= most preferred. 123. conf Actual results (with terminal outpu Jul 24, 2024 · The mDNS protocol likely makes this selection for similar reasons. WSL2 VPN Support About There is a known issue with WSL2 that prevents the linux guest from having any network connection when the Windows host is on a VPN. All I really want to be able to do is build some docker images to test, on my work laptop, so WSL2 with no internet was a total no go for me. Troubleshoot and regain internet access! Nov 20, 2020 · Hello everyone, I use VPN to the company I am working during the pandemic time. 76 Mar 3, 2021 · How Anyconnect v4. To further clarify: This name resolution issue is unique to WSL2 and only occurs when Proton VPN is connected. When I nslookup without connecting to VPN, I get the following results (note that all answers are different IP addresses for the FQDN google. A VPN connection will not be established I have verified that I can connect to same VPN portal using both Windows and other stand alone Linux laptop, and even another Ubuntu running using Virtual box, So the VPN server is working fine for other Linux and windows clients. I have written an open source simple tool which is Jun 27, 2025 · Learn to fix WSL2 DNS resolution issues where CLI works but browsers fail, especially on corporate VPNs. I have since created a Windows service that will automatically correct any conflicting routes that exist between WSL and your VPN. 74 Note: You can give me feedback by thumbs upping or thumbs downing this comment. Closing all Ubuntu windows resolved the issue for me today, and this consistently happens Jul 19, 2025 · When the VPN connection is active, network traffic out of WSL2 is not passed to the internet. Having had problems with the upgrade, from Windows 10 to Windows 11, I preferred to reinstall the OS from a bootable key. EDIT: nevermind issue was a VPN using split tunneling that was causing the issue. 87 Networking mirrored can't work on WSL2 (#10632), similarity score: 0. - gepdev/WSL2-CiscoVPN-Fix Sep 13, 2020 · After some struggle I figured out how to fix my WSL2 environment when using a VPN connection in parallel. conf` Step 4 - Create new custom `resolv. While this works, it adds complexity, especially when dealing with multiple VPNs Dec 17, 2020 · I have installed WSL2 on my corporate laptop (Windows 10 Enterprise version 1909). Sep 3, 2021 · Step 2 - Create `wsl. There are already various scripts on the internet such as wsl_dns. 6 nightly 21 Important Looking up no internet on wsl2 while on vpn do show a lot Dec 12, 2020 · I have just install WSL2 and have problems using it with cisco anyconnect vpn Environment Windows build number: [Version 10. 8 successfully when connected to the VPN? Jun 4, 2020 · Steps to reproduce I have installed WSL 2 on a new Windows 10 Education machine managed by my employer (university) following the online instructions. 0 Are you using WSL 1 or WSL 2? WSL 2 WSL 1 Kernel Version 5. Jan 6, 2021 · WSL2 - No internet connectivity. 1000 WSL Version 2. Aug 10, 2023 · Is your feature request related to a problem? Please describe. Just more data quickly than most circumstances. Configuring WSL2 to use the `mirrored` networking Issue connecting to company servers through WSL2 while complying with Netskope policy Hi everyone, I'm currently using a Windows 10 laptop for work, and I'm using Ubuntu through WSL2 to access some tools that are only available on Linux. 78 WSL2 http. The script will alter the priority of the vpn interface to enable wsl2 to use it, and it will configure the wsl instance to use the dns servers configured in the vpn interface. Contribute to microsoft/WSL development by creating an account on GitHub. Follow the steps: Right click on your network icon, and click on Open Network and Internet settings image In the settings page look for Change adapter options under Advanced Network settings img On the next page you'll see a bunch of network adapters, for Jul 26, 2025 · OpenVPN network is not accessible in WSL when connection established from (Windows Host OpenVPN Application), it is accessible only if the connection established inside WSL2 container. conf` file - Use below command to create new file `sudo vi /etc/resolv. 73 WSL stopped working after latest windows update (#8133), similarity score: 0. 23. If I enter the ubuntu on wsl i can do ping -6 blog. For example running wsl --install might give the following error: Even after enabling all of the required windows features. ) This breaks networking for WSL2. Sometimes it will come back if I kill off all processes that match 'linux'. Outbound connectivity to public Internet AND hosts “behind? ZPA. "WSL2-CiscoVPN-Fix" is a repository containing scripts to fix network disruptions in WSL 2 caused by Cisco AnyConnect VPN. GitHub Gist: instantly share code, notes, and snippets. I have called 3 times to the technical service of my internet company. Jan 11, 2023 · We have the AnyConnect client and are now sending all traffic over the tunnel. Dec 11, 2024 · Fixing WSL Certificates When working for a cilent, I am typically supplied with either a VM or a laptop for work. 72-microsoft-standard-WSL2 Distro Version Debian 10 Other Software Cisco AnyConnect Secure Mobility Client 4. When my laptop is on a corporate VPN (Global Protect) with full tunneling, I lose network connectivity from the WS May 15, 2023 · 😄 1 🎉 2 dylangovender mentioned this on Aug 18, 2023 WSL2 , problem with network connection when VPN used (PulseSecure) #5068 Nov 29, 2023 · On a corporate VPN with the Cisco anyconnect client with limited admin capabilities on Windows 10. 0, the plugin fails to connect to the network and sh Dec 7, 2024 · View similar issues Please view the issues below to see if they solve your problem, and if the issue describes your problem please consider closing this one and thumbs upping the other issue to help us prioritize it! Open similar issues: No network communication between WSL2 and host / internet (#11991), similarity score: 0. 1766. With wsl2 because of hyper-v being used, the NAT interface is used and wsl2 doesn't see any vpn interfaces fro I have connectivity problems. I notice that when this happens, seemingly all socket-level operations seem to fail in Windows. I have no VPN installed. Then sudo nano /etc/resolv. conf. My company uses Cisco Any Connect and I'm able to connect to the HPC using SSH via my WSL2 machine with this method. The issues are: VPN connections messing up the route from WSL 2 to the Windows host WSL 2 configured to auto-resolve nameservers when used with a VPN May 17, 2022 · WSL2 is often used by developers on Windows. 87) with Tunnel 2. Then I upgraded to WSL2 Ubuntu 20. This issue is tracked WSL/issues/4277 Below outline steps to automatically configure the Interface metric on VPN connect and update DNS Mar 3, 2021 · Steps to reproduce Enable wsl Install fresh version of Ubuntu / Debian Install OpenVPN and connect to vpn server. Jan 11, 2024 · Please view the issues below to see if they solve your problem, and if the issue describes your problem please consider closing this one and thumbs upping the other issue to help us prioritize it. This problem is tracked in multiple microsoft/WSL issues including, but not limited to: Jan 14, 2024 · Closed similar issues: WSL2 DNS stops working (#4285), similarity score: 0. We have no split tunneling and the connection to the devices behind the tunnel works fine from the Windows environment but not fr 2 days ago · To add my Mullvad VPN DNS server to WSL, do ipconfig. The root cause seems to be that WSL2 and the VPN use the same IP address block, and the VPN routing clobbers WSL2's network routing. This issue is tracked WSL/issues/4277 Below outline steps to automatically configure the Interface metric on VPN connect and update DNS Jan 2, 2023 · $ sudo service docker start $ curl google. I believe there are three Github issues (maybe more) to keep an eye on regarding this: wsl 2 ubuntu 18. It works fine but when I establish a VPN connection by GlobalProtect, it cut the connection from the WSL image to the outside. The issue is - it does not connect. 0 VPN mode: Local VPN Operating system and version: Windows 10 19043. 2. If I start a container and try to ping from the container, it failed via IPv6, but the container got an IPv6 address from the docker pool. 1. bat file that contains the following: wsl --shutdown netsh winsock reset Aug 31, 2024 · 1 Problem solved, the issue was MTU size: vpn MTU: 1300 wsl2 eth0 MTU: 1280 wsl2 docker0 MTU: 1500 wsl2 br-ecf9804545ca MTU: 1500 (docker subnet) Because this wsl2 works fine (1280mtu < 1300mtu vpn) and docker containers doesn't work (1500mtu > 1300mtu vpn), this was a really annoying problem, difficult to debug but luckily it was resolved. conf` file `sudo rm /etc/resolv. But when established connection via VPN (on windows) then on wind 2 I solved the problem. ), then the workaround is usually to have the DNS servers manually specified in resolv. 0. 0/12 RFC1918 private IP address block. FYI: I do not have admin rights on the windows 10 Mar 22, 2023 · WSL : VPN problem (with workaround) if you’re a developer that loves linux and unfortunately you got a windows laptop from your employer. The Issues I Kernel Version 5. Jan 11, 2024 · WSL2 Networking Issues Inside VPN due to mismatch in third octet of gateway and ip address #11010 Mar 13, 2024 · I had already installed WSL2 on my Windows 10, I didn't think to back up my configurations, but everything was working perfectly. Solution: Open your WireGuard configuration and edit the client configuration [Peer] Apr 3, 2023 · This Powershell script will reconfigure the system routes to fix WSL2 networking when on a VPN - Issues · deanmcniven/wsl2-vpn-support Mar 6, 2024 · On Windows 11, WSL2, newest version, with Ubuntu 22. This is a common problem! Sep 3, 2024 · In this article, we will explore some of the most common problems that arise when using WSL and provide practical solutions to help you troubleshoot and resolve these issues effectively. ## Solution This repository provides a simple PowerShell script that automates a known workaround for this issue. The worker appears as ALIVE for approxi Apr 27, 2021 · Hey Tony, on my Win10 client with WSL2 Debian and ZApp (3. The default NAT networking mode in WSL2 can conflict with how VPN clients alter the network stack on Windows, preventing WSL from properly establishing its network connection and resolving DNS addresses. When you connect to a VPN on Windows, it often messes with your computer’s network routing and DNS settings. conf` file - Login to WSL2 and create sudo vi `/etc/wsl. I previously covered the first one, check out the extensive coverage in VPN connections messing up the route from WSL 2 to the Windows host. If this is the case for you, the answer may be dependent on your actual VPN. InterfaceDescription -Match "Cisco AnyConnect"} | Set-NetIPInterface If you have found that your WSL2 DNS no longer works when connected to a VPN (such as AnyConnect etc. May 31, 2024 · Troubleshoot and fix internet connection issues in WSL 2 on Ubuntu 20. My WSL2 was working all the time without a problem, but at the company they had to make a change to the VPN because s Sep 3, 2020 · There is an issue with Cisco AnyConnect, if it's configured to, it'll remove access to your Local LAN and only allow VPN connections. 1 and successfully, but is it possible that dnsTunneling queries 192. Nov 6, 2020 · After starting anyconnect I find network connectivity stops working under WSL2 (Windows Substem for Linux) the fix seems to be: Get-NetAdapter | Where-Object {$_. 168. 75 WSL2 Issues with VPNs (Viscosity) (#4728), similarity score: 0. This can be fixed by adjusting network connection metrics. If you're using OpenVPN, it seems to be working smoothly. The first time I re-installed WSL I Jul 9, 2025 · WSL 2 uses a Hyper-V Virtual Network adapter. 1 and v0. However I found them a bit of a hassle to setup with all the scheduled tasks etc. Below are the steps to set up wsl-vpnkit to restore internet connectivity in WSL2 while connected to a VPN. I will demonstrate with the Paloalto GlobalProtect solution, but other VPN clients have similar problems. 72 Note: You can give me feedback by thumbs upping or thumbs downing this comment. #13293 Mar 5, 2021 · Issue Details AdGuard VPN version: 0. 75 Unable to use VPN routes from within WSL 2 (#7315), similarity score: 0. No common linux tools will connect to known IP addresses from my WSL2 (the podman default one). The WSL2 issue with Cisco VPN connections, specifically related to network connectivity and DNS resolution, has not been completely solved, but there are workarounds and solutions available. Mar 28, 2022 · Installed WSL 2 (Debian, but previously tried Ubuntu with same issues). Symptoms include: DNS resolution failing with Temporary failure in name I recently joined a new company and they have set up a transparent proxy which is causing some problems with WSL2. Many people work from home with WSL2 and connect to a corporate networking using VPN. Nov 27, 2023 · Thank you! Open similar issues: Networking mirrored can't work on WSL2 (#10632), similarity score: 0. I found that WSL 2 broke my file reloading, so I downgraded the Nov 19, 2019 · I also have issue that when Pritunl is connected, I have no connectivity from WSL2. wslconfig: [wsl2] networkingMode = mirrored dnsTunneling = true But none of them worked. Oct 7, 2020 · Hello all, I use WSL2 with an Ubuntu image. Jul 23, 2020 · The fact is that when it wasn't connected to the VPN I get ~208mbps and now it varies between 0. Whenever I create a new distribution using WSL version 2 I have no network connection. Is it possible to bring up a VPN connection inside a WSL2 with am openconnect, and then use it, to access websites on Windows? I already tried to set following options to . Well, that's not entirely true; Docker worked just fine, but nothing else could talk to anything outside of the WSL environment. What’s up with DNS in How to fix VPN connection issues on Windows Subsystem for Linux Oct 7, 2020 · I was pretty excited to get WSL2 and Docker working on my Windows 10 1909 laptop a few weeks ago, but I quickly encountered a problem: WSL2 had no network connectivity when connected to my work VPN. 15. If that works, follow the steps in WSL has no network connectivity once connected to a VPN. Learn how to fix the WSL2 SSL certificate problem with this step-by-step guide. 75 wsl2 DNS failure (#8474), similarity score: 0. Why Mirrored Network Mode Is a Game-Changer Before using mirrored network mode, I would have had to manage VPN connections directly inside WSL2, using tools like openconnect or vpnc. DNS Issues (Temporary failure in name resolution) (#6404), similarity score Dec 22, 2024 · I am using Windows Subsystem for Linux (WSL) for my development work and I have a VPN client installed on my Windows machine. Cant connect to internet from WSL2 while connected to VPN : r/wsl2 r/wsl2 Current search is within r/wsl2 Remove r/wsl2 filter and expand search to all of Reddit Jun 30, 2023 · Starting working remotely I realized that WSL2 loses network access once I connect to corporate network via VPN. 101. com As per f5 knowledge article, we have to launch the WSL2 once we are on VPN, but it does not work. conf` with following content `` [network] generateResolvConf = false `` - Save file. Try that if you still have issues and you're using a VPN. May 3, 2022 · Version Multiple Windows builds are affected WSL Version WSL 2 WSL 1 This issue is here to merge DNS related issues in WSL2. This repository include conf/server. Commands like curl, wget etc… To resolve this issue, we can use wsl-vpnkit, a tool that helps WSL2 work seamlessly with VPNs. WSL + Ubuntu + VPN#wsl #wsl2 #ubuntu #vpn Sep 21, 2023 · default route to the VPN when connected VPN. Can't connect to internet from WSL2 when it stands behind WireGuard VPN. The machine gets the correct DNS configuration from WSL2. The solution is to run a . In one session, I closed the terminal with WSL2 Ubuntu and it restored. No PC or WSL2 reboot required! Sep 20, 2021 · We want to run Docker native on Debian WSL 2 and use PowerShell to send “docker” commands to the WSL. It's important to note that if the VPN profile only forwards private traffic, WSL2 is blocked only for private IPs, but if the profile is forwarding everything, WSL2 can't reach anything. Luckily, there is a solution that solves this issue: wsl-vpnkit. What ports should I forward to make it work (is it even possible)? I've done this for ssh: netsh interface portproxy add v4tov4 listenaddre Jun 6, 2024 · deanmcniven / wsl2-vpn-support Public Notifications You must be signed in to change notification settings Fork 26 Star 65 Jul 26, 2023 · Trusted_Connection=yes implies authentication using the running process's Active Directory/Kerberos authentication token. Windows Subsystem for Linux (WSL2) provides native Linux environment for Windows. 0 there are no issues. conf and add: nameserver <IPHERE> I did have to set Local network sharing ON, on Mullvad VPN settings. Contribute to Codym48/fix-wsl2-vpn development by creating an account on GitHub. there’s a good chance that you’re using WSL (windows … Jan 10, 2021 · An easier workaround for this issue is to launch openconnect INSIDE the WSL2 machine. Jul 26, 2023 · Checked Internet Connection on Windows: I confirmed that my internet connection was working fine on Windows 11, which indicated that the issue was specific to WSL2. Jul 1, 2019 · Hello, Recently with wsl1 all network interfaces were replicated from windows machine. But WireGuard somehow has a problem. This breaks WSL DNS resolution, here's how I worked around it. telnet, curl, wget, etc. Meh! Apr 24, 2024 · [WSL2] F5 VPN breaks network connectivity (#8704), similarity score: 0. ovpn: a configuration file for an OpenVPN server on the Windows host conf/client. BR Manuel Aug 26, 2025 · WSL2 and Securemote Checkpoint incompatible - networks behind Checkpoint VPN not accessible in mirrored mode #13426 Apr 22, 2022 · When the VPN is connected in Windows, can you access services by IP in WSL2? For instance, can you ping 8. 0 on Microsoft Windows 10 Enterprise 21H1 19043. 77 Wsl2 networking mode mirrored falling back to NAT (#11058), similarity score: 0. sh: a script file to Jul 2, 2022 · I use GlobalProtect VPN 5. Learn how to resolve common connectivity problems with this guide. Jan 21, 2022 · There are at least three known issues, all resulting from the combination of WSL 2 and a VPN. DNS is unable to resolve any names, both internal and external. I found a few open issues for this problem in the WSL2 Github↗ Jul 19, 2025 · Internet connection and DNS routing are broken from WSL2 instances, when some VPNs are active. Aug 6, 2025 · Provides detailed information about common errors and issues people run into while running Linux on the Windows Subsystem for Linux. Installation went smoothly, but when I tried the following: wsl2-prompt&gt; sudo apt-get update I get the following output to the terminal: Err:1… Jun 12, 2024 · View similar issues Please view the issues below to see if they solve your problem, and if the issue describes your problem please consider closing this one and thumbs upping the other issue to help us prioritize it! Open similar issues: WSL2: Jumbo frames are not forwarded to mirrored interface on Linux (#11046), similarity score: 0. 844 Other network-level software: AdGuard 7. Thank you! Open similar issues: WSL2 , problem with network connection when VPN used (PulseSecure) (#5068), similarity score: 0. The main idea is to connect WSL2 to LAN through the Windows host by using VPN bridging to the physical NIC. By default, the Interface Metrics for AnyConnect are: IPv6: 6000 IPv4: 1 ping times out from WSL Sep 6, 2020 · Since switching to WSL 2, I have been unable to initiate any network connections within WSL when connected to my VPN. 04. fefe. 19041. Mar 15, 2023 · I ran into problems using Cisco AnyConnect VPN from inside of WSL2. As the comment above suggested I disabled IPv6 option for both, my wireless adapter and WSL Ethernet adapter. 8. The workaround involves: 1. I checked the processes and even WSL2 was Aug 19, 2020 · To make internet connection working on WSL2 machine, I have to connect to VPN (Wire Guard) first, otherwise it doesn't work This wasn't the case, it was working fine (with TunSafe VPN client) installed without any issue, I believe this issue surfaced after the latest windows update a couple of days ago. And it wasn’t just a run-of-the-mill DNS problem; I couldn’t even reach my router! Aug 9, 2022 · Logon to f5 VPN Start the WSL Do a curl to curl www. With Posit Workbench IDE being available, I haven't bothered to setup nor personalize the development environment on the Windows itself. Even my Android emulator becomes inaccessible to Android Studio, and all Chrome tabs indicate no internet connectivity. Aug 23, 2019 · I have been facing the same issue on 1 of my PC's since installing wsl2, however on my other PC, the networking works perfectly and both have the same config, unless I'm missing some tiny details. Many corporate networks will block the WindowsRead More ». 76 Closed similar issues: Nov 26, 2024 · I have checked multiple issues before posting here, all point towards the same direction but no final solution so here is a conclusion for the issue : When I connect to the vpn from the OpenVPN client in Windows, I can ping the machines just fine, but when starting a listener inside WSL it seems to not be reachable from the VPN's Network. Oct 21, 2024 · This configuration limits WSL2 to 24GB of RAM, 6 CPU cores, and uses mirrored network mode to simplify VPN and network integration. google. Seems that there is some kind of problem with Mar 29, 2024 · Disclaimer: Be sure to get approval from Cyber/IT team before following this process. Fix 1) first and then come back here. When I connect to the VPN, the internet stops working on WSL. WSL version: 1 Dec 17, 2020 · The result is that DNS updates provided to the Windows OS, by the establishment of a VPN tunnel, are not recognized in the WSL environment. 8 and 5mbps I've been looking in the issues and I found some problems related to VPN but mostly about not receiving internet or not detecting the virtual host, not specifically about slow internet connection. It fails to resolve any address. The issue is that WSL2, running in its own virtualized environment Windows Subsystem for Linux. 03052 Repro Steps Connect to VPN with Anyconnect and attempt to route to VPN IPs via AnyConnect. Main pain point is VPN integration, this is Sep 21, 2021 · The new experimental feature flags (dnsTunneling, mirrored) for WSL 2 fixes this long running issue with DNS resolution while you are using a VPN that dis-allows split tunneling as pointed out in below articles, Jan 24, 2024 · SSH using VPN hangs with 'set_sock_tos: set socket 3 IP_TOS 0x10' On a Windows 11 server I was able to ssh without VPN successfully. The Windows 10 host is logged into one (Cisco AnyConnect, if it makes any difference) VPN, and I'm trying to establish another (openconnect GP protocol) VPN connection inside WSL2, that would get routed through the host OS's established VPN tunnel. Verify all is ok Launch wsl (Optional) run dig command to ensure dns can be resolved: Aug 6, 2025 · Learn about the considerations for accessing network applications when using Windows Subsystem for Linux (WSL). Jun 10, 2020 · I was having the same issue. 16. Once my VPN was enabled (Cisco AnyConnect) I was unable to ssh, or access anything on the network. However, yesterday, I decided to give it a go and install WSL on such VM. 80 Sep 20, 2023 · Windows Version 10. Jul 7, 2025 · What happened: A Ray worker node running in WSL2 on a Windows machine behind a corporate VPN successfully connects and registers with a head node on AWS EC2. Think of it like the VPN building a new, private road for all your internet traffic. When using the Cisco AnyConnect client in a full tunnel setup, where it sends all traffic over the VPN, the automatic DNS configuration in WSL does not work. 25931. conf` Feb 14, 2023 · So what I'm trying to do is to use nested VPN connections inside WSL2. But in this particular case I'm not connected to any VPN. To access May 29, 2020 · I've used WSL Bash/Ubuntu for several years, but for some reason this problem recently appeared. I'm sharing my solution as a step-by-step guide for my own reference and to help anyone with the same problem. ypyt ykeygk rtlf szs qdwdcml vlkjm mib mjtev vcblc rurm