L2TP server docker

Config

Predefined user/passwd and ip

Change chap-secrets.example to chap-secrets

Edit as following format

"user" l2tp "password" * //auto assign ip
"user" l2tp "password" 192.168.28.1 //set static ip for user

Enviromnent setting

Change l2tp.env.example to l2tp.env

Edit as following format

VPN_IPSEC_PSK=your_psk
VPN_USER=user
VPN_PASSWORD=passwd
VPN_PUBLIC_IP=
VPN_L2TP_NET=
VPN_L2TP_LOCAL=
VPN_L2TP_REMOTE=
VPN_XAUTH_NET=
VPN_XAUTH_REMOTE=
VPN_DNS1=
VPN_DNS2=
VPN_SHA2_TRUNCBUG=

You must set VPN_IPSEC_PSK, VPN_USER and VPN_PASSWORD

If your VPS has multiple public IP addresses, maybe public IP need to specified in VPN_PUBLIC_IP.

If you want to specify a other private network, maybe need to specified in VPN_L2TP_NET (default 192.168.18.0/24).

If you want to specify a other private network, maybe need to specified in VPN_XAUTH_NET (default 192.168.20.0/24).

If you want to specify a local ip for xl2tpd.conf, maybe need to specified in VPN_L2TP_LOCAL (default 192.168.18.1).

If you want to specify a ip range for xl2tpd.conf, maybe need to specified in VPN_L2TP_REMOTE (default 192.168.18.10-192.168.18.250).

If you want to specify a rightaddresspool for ipsec.conf, maybe need to specified in VPN_XAUTH_REMOTE (default 192.168.20.10-192.168.20.250).

If you want to specify a other DNS servers, maybe need to specified in VPN_DNS1 and VPN_DNS2 (default 8.8.8.8, 8.8.4.4).

Android 6 and 7 users: If you encounter connection issues, you may set sha2-truncbug=yes (default is no) in /etc/ipsec.conf by adding VPN_SHA2_TRUNCBUG=yes to /etc/l2tp.env file, then re-create the Docker container.

Build & run

./build

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