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Found 2 results

  1. I'm trying to setup a kill switch so that if OpenVPN goes down all other connections are automatically locked. I adapted this config as it follows: ### EDITED group openvpn ################ client dev tun remote XXXXXX 443 resolv-retry infinite nobind persist-key persist-tun auth-nocache verb 3 explicit-exit-notify 5 rcvbuf 262144 sndbuf 262144 push-peer-info setenv UV_IPV6 yes ca "/opt/openvpn/keys/ca.crt" cert "/opt/openvpn/keys/user.crt" key "/opt/openvpn/keys/user.key" remote-cert-tls server cipher AES-256-CBC comp-lzo no proto udp tls-auth "/opt/openvpn/keys/ta.key" 1 and this is my ipfw config #!/bin/bash ipfw -q -f flush cmd="ipfw -q add" vpn="tun2" $cmd 00001 allow all from any to any via lo0 $cmd 00010 allow all from any to any via tun0 $cmd 00101 allow all from me to 192.168.0.0/16 $cmd 00102 allow all from 192.168.0.0/16 to me ############################### # it should allow openvpn to establish the connection $cmd 00103 allow all from any to any gid openvpn ############################### $cmd 00104 allow all from any to any established $cmd 00110 allow tcp from any to any dst-port 53 out setup keep-state $cmd 00111 allow udp from any to any dst-port 53 out keep-state $cmd 00201 deny all from any to any when i try to start openvpn it won't work e.g. Mon Jul 20 22:13:17 2020 WARNING: file '/opt/openvpn/keys/user.key' is group or others accessible Mon Jul 20 22:13:17 2020 WARNING: file '/opt/openvpn/keys/ta.key' is group or others accessible Mon Jul 20 22:13:17 2020 OpenVPN 2.4.9 amd64-portbld-freebsd11.3 [SSL (OpenSSL)] [LZO] [LZ4] [MH/RECVDA] [AEAD] built on Jun 12 2020 Mon Jul 20 22:13:17 2020 library versions: OpenSSL 1.0.2u-freebsd 20 Dec 2019, LZO 2.10 Mon Jul 20 22:13:17 2020 Outgoing Control Channel Authentication: Using 160 bit message hash 'SHA1' for HMAC authentication Mon Jul 20 22:13:17 2020 Incoming Control Channel Authentication: Using 160 bit message hash 'SHA1' for HMAC authentication Mon Jul 20 22:13:17 2020 TCP/UDP: Preserving recently used remote address: [AF_INET]184.75.221.34:443 Mon Jul 20 22:13:17 2020 Socket Buffers: R=[42080->262144] S=[9216->262144] Mon Jul 20 22:13:17 2020 UDP link local: (not bound) Mon Jul 20 22:13:17 2020 UDP link remote: [AF_INET]184.75.221.34:443 Mon Jul 20 22:13:17 2020 NOTE: UID/GID downgrade will be delayed because of --client, --pull, or --up-delay Mon Jul 20 22:13:17 2020 write UDP: Permission denied (code=13) Mon Jul 20 22:13:19 2020 write UDP: Permission denied (code=13) Mon Jul 20 22:13:23 2020 write UDP: Permission denied (code=13) it looks like that in freebsd openvpn wants to start as root/wheel no matter what ad it will downgrade to a custom group only once the first connection has been successfully established. Is there a way around that? Else, is there another way to allow only openvpn to connect to the internet? I'm not married to this solution, i just want to setup a killswitch and avoid iptables.
  2. Last time I had PureVPN which I installed on my dedicated server's Windows Server through RDP, but right when vpn software started installed drivers the connection was lost forever, I had to send all my files to a backup server through rescue mode and install win server again. I don't want this to happen again, so I want to know if by installing airvpn it will stop the internet connection? Before all these I used EarthVPN and it didn't had any extra drivers to install, so I was a long time user of it, but now I want something better but they all install drivers... I'm trying out portable version, but still it reminds about drivers. I would try this on a virtualbox or something, but I don't have time do do it... So I guess I better not connect, because it will ruin my rdp connection and remote server's network adapters? I don't know if it's the kill switch / network lock or openvpn drivers or tap interface that ruined my remote server last time. I see there are options to disable them. But it still says driver will be installed at next connection.
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