Openvpn block-outside-dns
OpenVPN block-outside-dns Jan 31, 2017 #openvpn #block-outside-dns. Recently I had issues with my VPN setup, specifically with my VPN over at premiumize.me. They seem to have added the block-outside-dns option to their OpenVPN setup. As that’s a Windows only question it doesn’t work on my OS X/Arch Linux machine and causes problems.
He configured OpenVPN TCP without persist-tun on the > client side and pushes block-outside-dns from server. > > When he restarts OpenVPN server, DNS no longer works on the clients. > Neither with or without VPN. Users say this can be fixed only with > rebooting, I believe restarting service would help too. > Is this only with 2.4.2 or is 2.4.1
[Openvpn-devel] [PATCH v9-master] Add Windows DNS Leak fix using WFP ('block-outside-dns')
Hi, i tried this in Windows 10 adding block-outside-dns in my client config file. When i connect to the VPN, OpenVPN say this: Tue Jul 18 09:59:58 2017 Block_DNS: WFP engine opened Tue Jul 18 09:59:58 2017 Block_DNS: Using existing sublayer Tue Jul 18 09:59:58 2017 Block_DNS: Added permit filters for exe_path Tue Jul 18 09:59:58 2017 Block_DNS: Added block filters for all interfaces Tue Jul 18
And for Windows users (OpenVPN +2.3.9) : block-outside-dns. share | improve this answer | follow | edited Jun 11 at 14:16. Community ♦ 1. answered Mar 9 '19 at 20:29. Soheyl Soheyl. 101 3 3 bronze badges. add a comment | Your Answer Thanks for contributing an answer to Unix & Linux Stack Exchange! Please be sure to answer the question. Provide details and share your research! But avoid I tried enabling the "block-outside-dns" on two tunnels that i normally have running in parallel and i get no DNS resolves at all. Disabling it for one tunnel enabled DNS again but only for that tunnel, as expected. I was expecting this to work so that both tunnels DNS servers would work, or at least one of them and that no leaks would appear on the native interface. Attachments (1) Capture 31/03/2019 It uses Windows Filtering Platform (WFP) and works on >> Windows Vista or later. >> >> --block-outside-dns is not an openvpn directive it cannot be used in >> a >> config file as such. > At least as I understood it, it is. Ahh .. it is not ' push "setenv-safe opt block-outside-dns" ' ( I presume this was a method used prior to 2.3.9 ) simply ' push "block-outside-dns" ' or in the client openvpn.ArcherC7.push="'persist-key' 'persist-tun' 'user nobody' 'topology subnet' 'route-gateway dhcp' 'redirect-gateway def1' 'dhcp-option DNS 208.67.222.222' 'dhcp-option DNS 208.67.220.220' 'block-outside-dns'" Et vérifie ensuite que tous les paramètres de la commande push soient bien enregistrés via : uci show openvpn.ArcherC7
16/04/2020
OpenVPN Server Version. Server Operating System, Number of CPU Cores, Memory etc. OpenVPN Client Version. Client Operating System, Number of Cores, Memory etc. Add a sanitized version of the following files: OpenVPN Server Configuration. OpenVPN Client Configuration. Server Firewall Rules. Server NAT/Routing Rules. Any additional applicable Hi. I tried enabling the "block-outside-dns" on two tunnels that i normally have running in parallel and i get no DNS resolves at all. Disabling it for one tunnel enabled DNS again but only for that tunnel, as expected. push «block-outside-dns» Добавила эту настройку, вторая push "dhcp-option DNS х.х.х.х" уже была ранее, её оставила. В итоге, виндовский клиент успешно захватил новую настройку (поняла по логам при подключении - Blocking outside dns using service succeeded. . Thu Jun 25 11:50:29 2020 OpenVPN 2.4.4 x86_64-pc-linux-gnu [SSL (OpenSSL)] [LZO] [LZ4] [EPOLL] [PKCS11] [MH/PKTINFO] [AEAD] built on May 14 2019 Thu Jun 25 11:50:29 2020 library versions: OpenSSL 1.1.1 11 Sep 2018, LZO 2.08 Thu Jun 25 11:50:29 2020 ECDH curve prime256v1 added Thu Jun 25 11:50:29 2020 Outgoing Control Channel Encryption: Cipher 'AES-256-CTR' initialized with 256 bit key Thu Jun
May 2, 2017 If you're using an OpenVPN client on Windows 10 and you use the block-outside- dns option to prevent DNS leaks then you may experience
Blocking DNS Queries to External Resolvers¶. This procedure will allow the firewall to block DNS requests to servers that are off this network. This can force DNS requests from local clients to use the DNS Forwarder or Resolver on pfSense® for resolution. OpenVPN User Posts: 20 Joined: Sat Sep 15, 2018 4:44 pm. block-outside-dns for linux. Post by TommyKL » Sun Nov 04, 2018 5:20 pm Wasn't sure how to ask my question in the subject but here I will explain. In my client-template.txt file, I have setenv opt On my OpenVPN server (2.0.25) in the Advanced VPN settings, I want to add the "block-outside-dns" option to the configuration script sent to the client. I am assuming that it needs to be entered either in the Server Config Directives box or the Client Config directives box, but what do I add and where? Do I put "setenv opt block-outside-dns" in the Client Config directives box?