Finally, A VPN explanation for the non-technical world
home dev tun proto udp4 remote my.vpnserver.com 1194 ca ca.crt cert home.crt key home.key tls-crypt vpn.tlsauth cipher AES-256-CBC auth SHA512 auth-nocache tls-version-min 1.2 resolv-retry infinite nobind #persist-key #persist-tun mute-replay-warnings #verb 3 route-nopull route 121.121.121.121 255.255.255.255 vpn_gateway route 122.122.122.122 How to Stay Anonymous Online | Digital Trends May 08, 2020 bash - alias to turn on/off openvpn - Unix & Linux Stack
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VPN Alias? - Launchpad Answers Sep 21, 2012 Alias IP ranges overview | VPC | Google Cloud
This means that each packet that will exit the eth0 (or any alias like eth0:0) interface will use the primary IP address (the one set on eth0) of the interface as source address. If you have a stateful firewall between VPN client and VPN concentrator, then the GRE packets from one direction will not match the ones from the other direction, and
Configuring AnyConnect Remote Access VPN on Cisco FTD Split tunnel allows for VPN connectivity to a remote network across a secure tunnel but also allows for local LAN access. There are a few security concerns with allowing the use of split-tunneling but is an option. To configure a split-tunnel list, we will create an Extended Access Control List. Address Mapping by Route Policy | DrayTek