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Found 4 results

  1. Hi there, Long time hassle-free AirVPN user with a first troubleshooting request after switching from Eddie-UI to the Bluetit stack (love your work!) Looks as though the two processes are fighting for `/etc/resolv.conf` and causing issues with DNS. NetworkManager will rewrite the file on a Wi-Fi network change, causing loss of connectivity as local DNS is disallowed by the network lock. Can be worked around by stopping the Bluetit service, toggling Wi-Fi, then re-enabling; but this is tedious to repeat if the network is at marginal signal strength. Is there a way to configure NetworkManager not to mess with DNS? I think that would largely resolve the issue. But, in an ideal world I would be able to have NetworkManager still manage the DNS if Bluetit is not active so that I can still operate normally on local networks without routing through AirVPN if I choose to. Seems unlikely to be simple, but worth asking. Given that I am getting two warnings about DNS, I wonder if `systemd-resolved` could also be interfering and if there are other configuration steps I can take to ensure compatibility with it- ``` bluetit: WARNING: NetworkManager is running on this system and may interfere with DNS management and cause DNS leaks bluetit: WARNING: systemd-resolved is running on this system and may interfere with DNS management and cause DNS leaks ``` I also wonder whether use of Goldcrest could avoid some of these problems. Personally I have not understood the need for the utility and have been interacting with Bluetit directly via systemctl and `/etc/airvpn/bluetit.rc`. As far as I can tell, Goldcrest just moves configuration stuff out of the `.rc` file into CLI args?
  2. Currently AirVPN servers ONLY provide you with IPv6 connectivity (IPv6 traffic via VPN) if OpenVPN correctly pushes a certain value to the server. This is what the relevant config lines look like: push-peer-info setenv UV_IPV6 yes 'UV_IPV6 yes' is a variable that is set to 'yes', basically: yes, gimme IPv6 push-peer-info sends the server information about the client. This includes: OS version and OpenVPN client release, your router's MAC address and of course the UV_IPV6 variable that tells the server to give you an IPv6 address. This last part is problematic and has already led to problems for AirVPN users: https://gitlab.freedesktop.org/NetworkManager/NetworkManager/-/issues/556 I've run into this issue myself when I tried to get AirVPN running on Linux using the NetworkManager interface (present in virtually every distro out there). It's confusing because it seems to work but in reality it doesn't. You do get a connection, except without IPv6 forwarding. It's no surprise people encounter this: Why would one really need to install your client if the preinstalled GUI manager has worked fine before? Nobody knows the intricacies. Not even those who reported the issue to the correct place above! *drum-roll* and the problem is: NetworkManager. Really. NetworkManager is crippled in that it DOES NOT support many of the OpenVPN features. The combination of push-peer-info + setenv is one of them. The variable is not set upon connection -> VPN connects to the server -> The server does not see UV_IPV6=yes -> The server only setups IPv4 for the client. Yes, THIS IS A SECURITY ISSUE. According to Google, 32% of users have IPv6. Here come you, an AirVPN user with IPv4 and IPv6 on Linux, using NetworkManager. It seems to connect. You quickly check a website to see your IP and see that you indeed got a new IP (IPv4) after connecting to the VPN. Maybe the website doesn't show IPv6 at all, or the user doesn't pay attention to the fact this long and cryptic IPv6 didn't change or maybe the user did not yet have IPv6 and it was enabled later by the ISP... And there the user goes to surf online with half his ass naked: IPv4 is properly routed through AirVPN but IPv6 is still going through his real ISP. This must be changed. IPv6 must be the default. Do not leave a chance to expose users. When this change is applied, both config lines will be rendered obsolete and as a bonus, the clients will no longer unnecessarily send their internal MAC addresses to the server, which can be used too: - https://threatpost.com/fbi-mum-on-how-exactly-it-hacked-tor/117127/ | https://www.theregister.com/2018/02/24/tor_fbi_hacking_appeal/ - https://web.archive.org/web/20180923231303/https://blog.owenson.me/analysis-of-the-fbi-tor-malware/ Finally if you feel there's someone who really wishes to not use IPv6 via Air: reverse the config. Make it an explicit UV_IPV6=no to opt-out. Security must be the default. Thanks for reading. I really hope this change to be introduced soon. PS: Can someone login at the Freedesktop bug tracker above to tell these people that it's fixable? I don't have an account PPS: You can see what push-peer-info sends if you set verbosity to 4: "verb 4" in the config Tags: IPv6 not working AirVPN Linux config openvpn
  3. Hi everbody, I wanna use VPN over TOR but there is no Internet traffic after successfully VPN connection. Besides VPN connection disconnects almost after 1 minute because of TCP connection timeout. I've configured proxies from Advanced section of NetworkManager and I'm using SOCKS protocol as proxy type. I'm using Linux OS and NetworkManager to manage my network interfaces and VPN connections. My OpenVPN version is 2.3.0. I've already read this manuel but I couldn't find any solution. Is there any suggestion to overcome this problem? https://airvpn.org/tor/ Solution: - Use Eddie client, - Enable control port and cookie authentication in your torrc file as described at this URL https://airvpn.org/tor/ - Set Tor as connection mode in AirVPN -> Preferences, don't use TCP + Socks Proxy as me (my first mistake) - Be careful with the port numbers; because default port numbers in manuel and Eddie client are respectively 9150 and 9151 but in my torrc file they are 9050, 9051 and it's very easy to overlook for example my situation. (my second mistake) - You can export ovpn configuration file which is special for "VPN over TOR" from Eddie client, so you can use that file to connect VPN from command line using openvpn command. For me it's more easy than using Eddie client.
  4. I'm trying to connect to AirVPN under Arch Linux via NetworkManager/OpenVPN. It connects successfully (it shows a padlock), but if I go to http://ipleak.net/ I can still see both my ISP public IP and my ISP DNS server. I followed this guide (even if it's for Ubuntu). You can find the relevant logs from the "journalctl" command in the attachment.
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