Client-to-site VPN
VPN access from remote device. Can be always-on or user activated
Site-to-site VPN
VPN access between two networks. One site to remote site
Clientless VPN
HTML v5. Runs VPN in web browser
Full tunnel
All traffic is sent through VPN tunnel, might be more expensive resource wise
Half tunnel
VPN traffic is sent through tunnel, Non-vpn tunnel isn’t. Configure on software
SSH
Secure shell, port 22. Encrypted console communication
RDP
Microsoft remote Desktop Protocol
VNC
Virtual Network Computing. Like RDP
Console
Connect to device with a physical connection
Jump box
Specific server that allows external console connection. Must be highly secure
In-band management
Device can be managed within network
Out-of-band management
Connection that doesn’t use the network. Serial connection for example