[Solved] WSL - DNS not working when connected to VPN Connect and share knowledge within a single location that is structured and easy to search. I cannot recommend either of those to anyone because the first solution just breaks security and the second one might open some vulnerabilites. Restore the memory dump type to the original setting. Interesting - Are you sure its the Windows Firewall that's blocking it? Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. DNS works fine with the default, generated /etc/resolv.conf, nameserver 172.17.0.1. The docker config change is simple. Unfortunately I haven't seen a good fix for it yet. Compilao do SO 19045.2846 To turn off legacy console: The Windows Subsystem for Linux feature may be disabled during a Windows update. One of the things I've had success with to get WSL2 and DNS playing nice is to use the Local Group Policy Editor to set enable local rule merging for the local firewall. Hi! However, after a few tries, it works. Hi, Tried setting nameserver and a lot of other suggestion on this and other threads nothing worked. Ubuntu subsystem (WSL) could not resolve corporate and non corporate domains while on or off vpn. For example, to call the Windows Notepad app from your WSL command line, enter. Thanks for contributing an answer to Ask Ubuntu! It worked for me after a full resignation and reinstalling the whole OS. DNS inside a docker container, e.g. Thanks, and don't hesitate on contacting me if you have an issue. Enter the command: 'base64 -d vpn_script.txt >> vpn_script.sh'. Make sure that the hypervisor launch is enabled in your boot configuration. Computer Configuration > Windows Settings > Security Settings > Windows Defender > Windows Defender [] Local Group Policy Object, Find "Windows Defender Firewall Properties", Then under each relevant profile: Settings > Customize > Apply local firewall rules: Yes. 565), Improving the copy in the close modal and post notices - 2023 edition, New blog post from our CEO Prashanth: Community is the future of AI, Ubuntu 23.04 (Lunar Lobster) is now released and is no longer off-topic, Announcement: AI-generated content is now permanently banned on Ask Ubuntu, DNS resolution fails after wakeup from standby (Ubuntu 16.10), Understanding DNS server in /etc/resolv.conf file. How do I change the DNS settings for WSL2? - Super User Sign up for a free GitHub account to open an issue and contact its maintainers and the community. The term 'wsl' is not recognized as the name of a cmdlet, function, script file, or operable program. ), I tracked this problem down to the file: /etc/resolv.conf. Did the drapes in old theatres actually say "ASBESTOS" on them? Under a "working" WSL2, the address that is getting auto-generated in /etc/resolv.conf should be the one that is assigned to vEthernet (WSL), which is not getting an address in your case. Using nslookup from the Windows side, I can use the WSL dns server (setting server 172.20.128.1). Some hidden setting that some VPN clients (among other causes) set or something. I have forked and updated the steps by Learn more about Stack Overflow the company, and our products. Crash the system using the key sequence from (2). Just type \\wsl$\ in an Explorer menu as the path and see what it's registered as, it will take you to your distros. If your machine is a VM, please enable nested virtualization manually. Thanks for contributing an answer to Ask Ubuntu! To resolve this issue, please visit https://aka.ms/wsl2kernel and install the kernel manually by following the directions on that doc page. to your account. 1. It might be to do with Windows Defender settings. DNS lookup not working in WSL - Microsoft Community TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0, eth0: flags=4163 mtu 1500 You will need to return to step #1 and ensure that the optional WSL feature is enabled on your machine. Windows Subsystem for Linux (WSL) fails to use DNS from a - SonicWall If this leads to a fix, this is a great outcome. Ubuntu and the circle of friends logo are trade marks of Canonical Limited and are used under licence. Making statements based on opinion; back them up with references or personal experience. wsl.exe -d wsl-vpnkit service wsl-vpnkit start >/dev/null 2>&1. By the way, this works on a personal PC, but behind a corporate firewall, I had to use my solution posted above. in my experience the issue is that when you ask WSL2 to not generate /etc/resolv.conf, after the reboot you find a /etc/resolv.conf that is no more a file, but a link a to /run/resolvconf/resolv.conf, which (the link) you get rid of with the above sudo rm command. Create a custom /etc/resolv.conf Open a new Linux prompt and cd to /etc If resolv.conf is soft linked to another file, remove the link with rm resolv.conf Create a new resolv.conf with the following content nameserver 1.1.1.1 so I was having issues with domain resolution with WSL whenever I use the VPN. I have a problem with DNS after upgrading from WSL1 to WSL2 What's with that ip address (one starting with 172) though? If there is info in the link that is the answer include the info in the body of the question. This will pull the DNS server from the Windows host, create a new resolv.conf, and write it in Unix format to the WSL2 instance. Unfortunately it seems like there is a chance that the 2022-08 security update might break this, at least on Windows 11. have never had an issue but KB5012170 was installed this morning, and now it doesn't work (nor does the /etc/resolv.conf workaround. If you cannot access WSL using \\wsl$ on Windows, it could be because 9P did not start correctly. Here is a an example that /etc/profile on Debian contributed to the problem: The correct way on Debian is to remove above lines. Source: Fixed it by editing /etc/docker/daemon.json like this and choosing an address pool that was outside of what has been set for the WSL subnet on my workstation: Killed wsl (wsl --shutdown) to reset virtual interfaces created by dockerd and voil, Fixed it by editing /etc/docker/daemon.json. I can't ping even google.com. Are there any canonical examples of the Prime Directive being broken that aren't shown on screen? I've installed WSL Alpine on Windows 10 Build 18363. Yes, this also happened to me while using Docker. In my case, I've disabled Internet Protocol Version 6 (TCP/IPv6) in WLAN Properties of Network Connections Settings. When I run shell in WSL I'm not able to resolve any domain names but I can ping. My mistake was in using the well known public DNS Servers for CloudFlare (1.1.1.1) and Google (8.8.8.8 & 8.8.4.4) for testing purposes. Cannot Connect to Internet From WSL2 - Microsoft Community What positional accuracy (ie, arc seconds) is necessary to view Saturn, Uranus, beyond? For that reason, I created this small program that automates everything with one shell: https://github.com/epomatti/wsl2-dns-fix-config. WSL install will try to automatically change the Ubuntu locale to match the locale of your Windows install. Currently, I am still using the manual DNS configuration in /etc/resolv.conf which generally works but is less then ideal (does not work with VPN; switching between Google's public DNS and . It's expected that you will see a win32 path (for example, /mnt/c/Windows) in the output. Adding to other answers here you also want to set resolv.conf immutable. Noticing that dockerd creates an interface on 172.17.0.1, which may interfere with wsl2 DNS forwarding, I changed the docker config to make dockerd create intf in a different subnet. DNS server inside wsl2 is not working for windows #4592 Unanswered feng-yifan asked this question in General feng-yifan on Oct 12, 2019 I just installed a dnsmasq inside wsl2, and bind the windows' dns to its address, and I just found that the nslookup is working well but ping and curl is not working. You can validate this by running (elevated powershell): If you see hypervisorlaunchtype Off, then the hypervisor is disabled. Sounds like you were logged into your normal account, you likely needed to use sudo. How to enable systemd on WSL2: Ubuntu 20 and CentOS 8, localhost and 127.0.0.1 working but not ip address in wsl windows 10. Those public resolvers are not adequate replacement for the resolver provided in DHCP. Done and done. And No, I don't know how Windows does DHCP. Experincia Windows Feature Experience Pack 120.2212.4190.0, Verso do WSL: 1.2.5.0 As far as I've been able to work out, the official process for changing which DNS server is used by WSL2 on Windows 10 is as detailed below. Must create /etc/wsl.conf file and add an entry to kill the resolv.conf file from auto generating on reboot. It only takes a minute to sign up. See step #2 for version requirements and links to update. RX errors 0 dropped 0 overruns 0 frame 0 If you want to share DNS configuration between Windows and WSL Linux, leave autogeneration ON. 123.456.1.1 target.host.net. There is no need to disable the default auto-generation of /etc/resolv.conf. 4. Ask Ubuntu is a question and answer site for Ubuntu users and developers. So if Ubuntu/WSL is your default, set your default to PowerShell, or switch over to PowerShell, run the command wsl --shutdown, then execute the above script, then reopen Ubuntu/WSL. Welcome to Ask Ubuntu and thanks for your answer! Logs attached. https://nam02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2Fmicrosoft%2FWSL%2Fissues%2F4285%3Femail_source%3Dnotifications%26email_token%3DAFA4ITLUCJ7RBWMFDIP3MHLQE5XIXA5CNFSM4H65IQMKYY3PNVWWK3TUL52HS4DFVREXG43VMVBW63LNMVXHJKTDN5WW2ZLOORPWSZGOD4QCPPI%23issuecomment-522201021&data=02%7C01%7C%7C73660638a70d4dbc6c4f08d722c49219%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637016099969731395&sdata=6rg9%2FiwAZkJoOhwhu6sHElqoJptYoS19AbuYTY5flPw%3D&reserved=0, https://nam02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2Fnotifications%2Funsubscribe-auth%2FAFA4ITMQRWJZKXU26K6BC33QE5XIXANCNFSM4H65IQMA&data=02%7C01%7C%7C73660638a70d4dbc6c4f08d722c49219%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637016099969741400&sdata=ufzaqjmQaVAOOmGeoirghbUOw9ZddYre3JAnJcprh5k%3D&reserved=0, https://github.com/notifications/unsubscribe-auth/AFA4ITLPNO6V63C5UXARNC3QJCYK7ANCNFSM4H65IQMA, https://github.com/notifications/unsubscribe-auth/AFA4ITOQIJFP2RJ6C5KJ6TTQJETQ3ANCNFSM4H65IQMA, What's wrong / what should be happening instead: DNS resolution should work, the problem is triggered by a lookup of a non qualified hostname (dig anotherserver). You can convert the instance from PowerShell via: Or, if you'd like, you can wsl --import that backup into a new instance WSL1 instance via wsl --import UbuntuWSL1 \location\for\instance \path\to\ubuntu.tar --version 1. From further up this thread, lots of reports about firewall issues, so I can report that DNS(1) fails, but then if I disable the Windows Firewall, DNS(1) works again. In a cmd window, run wsl --shutdown Restart WSL2 Create a file: /etc/resolv.conf. The best answers are voted up and rise to the top, Not the answer you're looking for? Not sure if that's available on Windows 10. After executing this I usually have to also run in Powershell Restart-NetAdapter -Name "vEthernet (WSL)" -Confirm:$false to force the adapter to reset, and then my WSL connections are all good. Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site. This stopped working for me after upgrading to 19033 (slow ring). When I retried building the container, it started failing on build, unable to install Node packages because of the network connection. For anyone seeing this, the "fixes" proposed are merely a workaround to the problem. @keith-horton do you have information which IP address ranges are being allocated for WSL network by default? Check WSL Docs GitHub thread #4103 where this issue is being tracked for updated information. Add the code block to /etc/wsl.conf: [network] generateResolvConf = false This has happened a few times, and rebooting fixes it. As for me, a simple wsl --shutdown from the windows command prompt did it for me. Get Outlook for Android<, ________________________________ WSL2 network unreachable [closed] - Stack Overflow However, this process doesn't work for me - I end up with a system that simply times out and can't resolve any addresses whatsoever. If you can't see any Windows paths then most likely your PATH is being overwritten by your Linux shell. (meaning if lots of resolutions fail at the same time, the service will take longer than 20s to recover). However, I do see in this Github comment that ping just won't work at all with some AnyConnect settings, so perhaps that's not the best indicator. My vEthernet (WSL) connection on a fresh Windows 11 install came with a Public profile too. resolv.conf and wsl.conf based approach didn't work for me. Have a question about this project? Tried to disable Windows Defender Firewall on Windows 10, doesn't help. 565), Improving the copy in the close modal and post notices - 2023 edition, New blog post from our CEO Prashanth: Community is the future of AI. Temporary failure resolving 'archive.ubuntu.com' RX errors 0 dropped 0 overruns 0 frame 0 WSL2 cannot access the internet on Windows 11 - Super User Copy the entire Base64 block and paste it into a blank text editor. If your use-case for WSL supports it, WSL1 will typically run without issues when connect to a VPN. Right-click this folder to display a menu of options. None of the suggestions I've tried on this (or other Github threads) worked for me. To enable it run in an elevated powershell: Additionally, if you have 3rd party hypervisors installed (Such as VMware or VirtualBox) then please ensure you have these on the latest versions which can support HyperV (VMware 15.5.5+ and VirtualBox 6+) or are turned off. You can edit your hosts file (at /etc/hosts) and add an entry for the hostname that you want to use. Or run the WSL Linux Shell as windows administrator (with right click) an edit file /mnt/c/Windows/System32/drivers/etc/hosts. OS. @NotTheDr01ds At this point after adding nameserver 1.1.1.1 to my /etc/resolv.conf (and not having it regenerate every session) everything is working. Does a password policy with a restriction of repeated characters increase security? and secondary. ________________________________ Settings > System > About. https://github.com/microsoft/WSL/issues/4277 I uninstalled Docker Desktop and that didn't change the behavior. have never seen it before. Fixed. RX packets 8 bytes 560 (560.0 B) In most company environments anyway, and it's usually VPNs and similar things that break the resolution. Now it's working again. (also, thanks for @tagging me so that I got a notification!). FYI, Windows 11 still has the extra adaptors, but you only see them in administrator tools from what I've read. I noticed you already have a downvote, and that's, potentially you could add a uudecode into the chain and make what you're doing even more cryptic. It's a link to a YouTube video, but essentially, it says to: Disconnect from the VPN Change the memory dump type to "complete memory dump". I also attempted to change its connection profile to private using PowerShell, but Get-NetConnectionProfile can't even find it while both ipconfig and Get-NetIPconfiguration can display some limited info about it. Disabling public firewall or turning off the option "block all incoming connections, including those in the list of allowed applications" in Control Panel fixed everything. In my case changing the wsl.conf and resolve.conf just didn't work anymore. inet 127.0.0.1 netmask 255.0.0.0 I'm on 19018.1 and it's taking sometimes 30 seconds to resolve a name with Google's name servers in /etc/resolve.conf. What should I follow, if two altimeters show different altitudes? Accessing network applications with WSL | Microsoft Learn the lookup of the non qualified hostname takes 10s to fail, and make the DNS unresponsive for 20s. I tried to disable the auto-generation using the method described earlier, and explicitly set nameserver to a DNS server, e.g. It's a good starting point, hope it saves someone the headaches I encountered getting DNS access on my corporate PC's WSL2 instance! Error: WSL 2 requires an update to its kernel component. Browse other questions tagged. Since none of the solutions from the mentioned link didn't work for me. (and wsl worked before), When I start wsl, I'm not able to do a DNS request. You can have the link as a reference. Well I was trying to configure wsl2 on my company's laptop without success. More info about Internet Explorer and Microsoft Edge, Windows Subsystem for Linux Optional Component is installed, Enable and Disable the Built-in Administrator Account, the full instructions on taking the backport, Windows Defender Firewall settings configured, Enterprise environment: Set up WSL for your company, https://ubuntu.com/server/docs/service-openssh, The Windows Subsystem for Linux only runs on your system drive (usually this is your. Resolve it by installing the Linux kernel update MSI package in step #4 of these installation instructions. Boolean algebra of the lattice of subspaces of a vector space? In my case, this was due to a network overlap between the WSL network and the Docker subnets. With the DNS primary and secondary gotten from step 2. replace the numbers in the next step in the X.X.X.X, echo "nameserver X.X.X.X" | sudo tee resolv.conf (Create resolv.conf and append the line. There are two components of Windows Subsystem for Linux that can require updating. @slonopotamus It seems unpossible. If you are asked whether to apply this to just to the current folder or to all subfolders and files, select just this folder because you are only clearing the compress flag. Internet Connection Sharing (ICS) is a required component of WSL 2. rev2023.5.1.43405. Check in the "Customize Settings for the Public Profile" window that opens to see if "Rule Merging" is set to "No". On the WSL prompt, change directory to where vpn_script.txt was saved. It should fail, but you should get back: If not, then you probably really haven't resolve the connection issue. If local rule merging is set to "No" then WSL networking will not work by default, and your administrator will need to add a firewall rule to allow it. Add an entry that has the IP address followed by a space and the hostname. @LightJack05 well, you do have a DNS (forwarder) on that IP similar to how systemd-resolved sets up one on 127.0.1.1. A boy can regenerate, so demons eat him for years. If you are using Microsoft Defender Firewall, unchecking "Blocks all incoming connections, including those in the list of allowed apps." I dont even know what this IP is. Thanks for contributing an answer to Super User! Virtual hard disk files must be uncompressed and unencrypted and must not be sparse. https://unix.stackexchange.com/a/628767/338681. What is WSL listed as in firewall settings, so I can whitelist it? This is a Windows problem, not a Ubuntu problem. But it takes a couple of seconds for the git clone and pip install to start the process. Please complete the following steps to try and fix this issue: If you are running the enable WSL feature command from PowerShell, try using the GUI instead by opening the start menu, searching for 'Turn Windows features on or off' and then in the list select 'Windows Subsystem for Linux' which will install the optional component. When the VPN is connected in Windows, can you access services by IP in WSL2? After 3 years of radio silence we finally have Microsoft hard at work trying to solve this: Issue closed, problem solved! And No, I don't know how Windows does DHCP. Have a question about this project? Put the following lines in the file the problem is triggered by a lookup of a non qualified hostname (dig anotherserver) WSL1 is not a VM, so there is no routing and DNS forwarding required. Note that these steps will crash your system. WSL is getting its IP address (and it's DNS server, netmask and other stuff) from Windows' DHCP Server. If you do not want this behavior you can run this command to change the Ubuntu locale after install completes. WSL by default does not have a firewall setup, or it didn't on mine. When you created the file under your user account, it automatically gives your normal account ownership of the file. Originally I had this problem after using a proxy software. To my knowledge, I didn't change anything. The solution is to run a .bat file that contains the following: wsl --shutdown netsh winsock reset netsh int ip reset all netsh winhttp reset proxy ipconfig /flushdns netsh winsock reset shutdown /r "Signpost" puzzle from Tatham's collection. What differentiates living as mere roommates from living in a marriage-like relationship? inet 172.18.201.80 netmask 255.255.0.0 broadcast 172.18.255.255 If it fails, it you will see the message: There are three possible reason you see this message: If the Linux kernel package is missing in the %SystemRoot%\system32\lxss\tools folder, you will encounter this error. Here is the content of the /etc/resolv.conf from one of my built images: cat /etc/resolv.conf It only takes a minute to sign up. #4285 was already tracking this. This solution, however, did work: Git and Ping does not work. sudo apt update && sudo apt upgrade worked immediately after I turned off the Private network firewall. Same thing happened to me. Inside WSL2, create or append file: /etc/wsl.conf Put the following lines in the file in order to ensure the your DNS changes do not get blown away echo " [network]" | sudo tee /etc/wsl.conf echo "generateResolvConf = false" | sudo tee -a /etc/wsl.conf In a cmd window, run wsl --shutdown Start WSL2 Run the following inside WSL2 The file stuck through a. For Windows Anniversary Update, version 1607, It's making me sad. Look for the \\wsl$\[distro name] if yours isn't also called Debian, just type the first part in a Windows Explorer path to reach WSL2, i.e. To: microsoft/WSL WslLogs-2022-05-17_10-17-13.zip. Business or Enterprise environments may have Windows Defender Firewall settings configured to block unauthorized network traffic. Restart your machine after enabling the Virtual Machine Platform optional component. My setup was messed up because Tailscale changed it when i started it. In my case, the LocalState folder for my Ubuntu 18.04 distribution was located at C:\Users\AppData\Local\Packages\CanonicalGroupLimited.Ubuntu18.04onWindows_79rhkp1fndgsc. Have you found any workarounds? Cc: mahsoommoosa42 ; Comment This is a separate user account and will not show any installed WSL distributions by design. You can verify it by running echo $PATH in Linux. I have no other Hyper-V VMs. What about later if this link is gone? From: NonStatic With how a lot of people behave here, that seems not that unreasonable really. And (2) resolving the issue with DNS is going to resolve issues with networking routing? To do this, do: Follow these instructions to collect detailed logs and file an issue on our GitHub. i.e., closing all the related issues without discussion or a clear reason provided in those issues. Currently, to enable this workflow you will need to go through the same steps . rev2023.5.1.43405. Asking for help, clarification, or responding to other answers. TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0, sit0: flags=128 mtu 1480 Either fix it on Windows, or fix the DNS server on 172.22.192.1. Currently, I am still using the manual DNS configuration in /etc/resolv.conf which generally works but is less then ideal (does not work with VPN; switching between Google's public DNS and corporate network DNS adds a delay when waiting for the wrong DNS to time out). A minor scale definition: am I missing something? I can't modify resolv.conf. Request that timeout seem to block. I normally have "Blocks all incoming connections, including those in the list of allowed apps" enabled in the Windows Defender Firewall for untrusted networks, but I had to disable it to fix DNS resolution in WSL2. @MikaelUmaN cause @benhillis marks this issue as dupe here Facing the same issue on 18956. Learn more about Stack Overflow the company, and our products. I have a pending Windows Update, will try that today. Verso do MSRDC: 1.2.3770 So modify accordingly. What should I do to fix it? What helped me as a workaround was adding my router's IP as a nameserver to resolv.conf since it has DNS server capability. While changing the dump type, take a note of your current type. it's working now. If you originally installed WSL on a version of Windows 10 prior to Creators update (Oct 2017, Build 16299), we recommend that you migrate any necessary files, data, etc. When youre running a 32-bit process on 64-bit Windows (or on ARM64, any non-native combination), the hosted non-native process actually sees a different System32 folder. Use the steps to configure crash using keyboard control. If you're hitting this, please upvote / comment and upload logs. Running your primary user account with elevated permissions (in admin mode) should not result in this error, but you should ensure that you aren't accidentally running the built-in Administrator account that comes with Windows. To find your Windows Server build number, run the following in PowerShell: You can confirm that the Windows Subsystem for Linux is enabled by running the following in an elevated PowerShell window: Trying to connect your SSH server is failed with the following error: "Connection closed by 127.0.0.1 port 22". You signed in with another tab or window. To: microsoft/WSL Canadian of Polish descent travel to Poland with Canadian passport. He also rips off an arm to use as a sword. Subject: Re: [microsoft/WSL] WSL2 DNS stops working (. Already on GitHub? loop txqueuelen 1000 (Local Loopback) I am using Docker but not Docker Desktop, only apt-installed docker inside WSL. which updates my /etc/resolv.conf file with the correct nameserver from my VPN. Save the text file locally as vpn_script.txt. For me #7555 gave really good pointers for fixing the issue. You can access the native system32 from a hosted process by looking in the virtual folder: To install the Linux kernel update MSI package, WSL is required and should be enabled first. Once you have disconnected the VPN, you will have to revert the changes to /etc/resolv.conf. 8.8.8.8. Any productivity on trying to solve the actual issue is long over, and just bickering is left. This one (contrary to the duplicit #8365) somehow shows how long is the history, how many users were affected, what they have tried, how many voted to resolve this problem etc. If WSL2 itself could at least detect and report on this condition, it would help isolate the cause. Every second comment here is you saying "Works for me!". It's been a while since I've had this problem, but it happened again today. Bypass my ISP DNS. This worked for me however it seems something creates a symlink for resolv.conf to another file. I may have found another way to fix this. 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