The OpenVPN phones by default use the same source port, UDP 1194. The issue arises as since they're using the same source port, mapped to the same external IP address and are sending traffic to the same destination port & IP address, the firewall loses track of which packets go to which phone.

Jan 24, 2019 TUN Error - OpenVPN Support Forum Mar 08, 2017 Using OpenVPN and OpenDNS with PiHole : pihole client dev tun resolv-retry infinite nobind persist-key persist-tun verb 3 remote-cert-tls server ping 10 ping-restart 60 sndbuf 524288 rcvbuf 524288 cipher AES-256-CBC tls-cipher TLS-DHE-RSA-WITH-AES-256-GCM-SHA384:TLS-DHE-RSA-WITH-AES-256-CBC-SHA proto udp auth-user-pass mullvad_userpass.txt dhcp-option DNS dhcp-option DNS pull-filter ignore "dhc-option DNS6

Mar 08, 2017

Mar 15, 2020

In Part 1, I showed how to install an HA VPN, using the community variant of OpenVPN 2.4.9, running on the latest CentOS 8.2.2004, via Ansible 2.9.10. This setup allowed me to reroute my VPN connection simply by restarting it, despite one of my dedicated hypervisors having unexpectedly reset. Here in Part 2, I’ll show how to configure the VPN servers, create CSRs and issue certificates from

How to setup OpenVPN using Ubuntu Network Manager Special thanks to for this ubuntu walkthrough: Open terminal and use this command to install all: sudo apt-get install network-manager-openvpn openvpn Currently, openvpn only accepts "bind" if both "lport" and "local" options are specified. Why? Why can't I specify "local" to instruct openvpn to bind to a specific IP address or interface and leave it to decide a (random) port it binds to in the same way in which the "nobind" option currently functions? Anybody that gives you an OpenVPN client and allows multiple connections should be fine but you may need to tweak your openVPN.conf files. The script (in several parts): First, since we are not configuring the openvpn client through the GUI (I leave Services –> VPN –> OpenVPN client disabled), we need to create our own config files.