SSH
Secure Shell (SSH) → A protocol that provides encrypted command-line access to remote systems over Transmission Control Protocol (TCP) port 22.
GUI
Graphical User Interface (GUI) → Remote desktop interfaces like Remote Desktop Protocol (RDP) for Windows or Virtual Network Computing (VNC) for other operating systems.
RDP
Remote Desktop Protocol (RDP) → A Microsoft protocol that provides a graphical remote desktop experience; uses Transmission Control Protocol (TCP) port 3389.
VNC
Virtual Network Computing (VNC) → A cross-platform remote access system that uses the Remote Frame Buffer (RFB) protocol to share graphical desktops.
Basically RDP but not limited to just Microsoft Computers
RFB
Remote Frame Buffer (RFB) → The underlying protocol used by Virtual Network Computing (VNC) to transmit screen images and input between devices.
Console Connection
Console Connection → A direct, text-based interface used for configuring devices such as switches, routers, or firewalls locally.
Jump Box
Jump Box → A secured system used to access and manage devices in a separate security zone.
In-Band Management
In-Band Management → Device management conducted over the same network used for data traffic, typically through Secure Shell (SSH) or Remote Desktop Protocol (RDP).
Out-of-Band Management
Out-of-Band Management → Management using a dedicated, separate network path (like a serial console or management port) for access when the main network is down.