1. download
2. 展開(vpnclient)
3. /usr/local/ 配下に移動
4. sudo make

sudo /usr/local/vpnclient/vpnclient start
sudo /usr/local/vpnclient/vpncmd 

niccreate
accountcreate
accountpasswordset
accountstartupset
accountconnect
accountstatusget

sudo vi /etc/network/interfases

iface vpn_nic inet dhcp

ネットワークリスタート

/etc/init.d/networking restart 
もしくは
sudo ifdown vpn_nic
sudo ifup vpn_nic

#!/bin/bash
cd /usr/local/vpnclient/
sudo ./vpnclient start
sudo ifdown vpn_nic1
sudo ifup vpn_nic1
sudo route delete default vpn_nic1

#!/bin/bash
cd /usr/local/vpnclient/
sudo ifdown vpn_nic1
sudo ./vpnclient stop

サーバ　 /etc/systemd/system/vpnserver.service

[Unit]
Description=SoftEther VPN Server
After=network.target network-online.target

[Service]
ExecStart=/usr/local/vpnserver/vpnserver start
ExecStop=/usr/local/vpnserver/vpnserver stop
Type=forking
RestartSec=3s

[Install]
WantedBy=multi-user.target

作成後は　sudo systemctl daemon-reload　を行い、サービス起動する

sudo systemctl start vpnserver.service
sudo systemctl status vpnserver.service

自動起動設定

sudo systemctl enable vpnserver.service 

クライアント

[Unit]
Description=SoftEther VPN Client
After=network.target network-online.target

[Service]
ExecStart=/usr/local/vpnclient/vpnclient start
ExecStop=/usr/local/vpnclient/vpnclient stop
Type=forking
RestartSec=3s

[Install]
WantedBy=multi-user.target

docker pull frosquin/softether 

参考

• https://hub.docker.com/r/siomiz/softethervpn/
• https://eidera.com/blog/2017/08/31/construction_vpn_server_in_one_minute/
• http://blog.mikalab.info/archives/22100271.html
• http://infosec2018kumw.blogspot.com/2018/12/vpn.html
• https://github.com/crocandr/docker-softether
• https://www.ionos.com/community/server-cloud-infrastructure/docker/run-a-vpn-in-a-docker-container-using-softether/

docker pull frosquin/softether