- ipsec
- ipsec + l2tp
- openvpn
- http://www.howtoforge.org/setting-up-an-openvpn-server-with-authentication-against-openldap-on-ubuntu-10.04-ltshttp://www.howtoforge.org/….
- http://www.smallnetbuilder.com/security/security-howto/30353-how-to-set-up-a-site-to-site-vpn-with-openvpnhttp://www.smallnetbuilder.com/….
- https://github.com/threerings/openvpn-auth-ldap
- Android
- softether
- pptp
- sstp
- IP over DNS
- WireGuard
- Hamachi
- Ping Tunnel
- stunnel
- http://www.softether.org/
- http://www.buildinglinuxvpns.net/
- https://www.bestvpn.com/blog/4147/pptp-vs-l2tp-vs-openvpn-vs-sstp/https://www.bestvpn.com/….
- ZeroTier
- https://forum.mikrotik.com/viewtopic.php?t=183424
- Tem várias explicações e detalhes interessantes
- https://github.com/zerotier/awesome-zerotier
- https://ogarcia.me/2019/zerotier/
- https://github.com/edouardswiac/zerotier-api-java
- https://key-networks.com/ztncui/
- https://github.com/key-networks/ztncui
- YouTube VhQ30bVF3_s⇓ ⇗
- https://forum.mikrotik.com/viewtopic.php?t=183424
- Twingate
- Tor
- Freenet
- tcp over tcp ?