SSH - Console communication just like telnet but encrypted

• tcp/22

Telnet - tcp/23

RDP - Microsoft Remote Desktop Protocol

• Can connect to windows machine through various OS's

VNC (Virtual Network Computing) - Like RDP but for many OS's

• Uses the Remote Frame Buffer (RFB) protocol

RDP and VNC are crucial in help desk for gaining GUI access to machines running Windows or other operating systems

API Integration - Automating the process of controlling and managing devices instead of manually doing it though the command line

Console - directly connect to a device, typically via serial connection

• Available when all else fails

Jump Box - A hardened server that you connect to to gain access other devices on a network

• Connect to jump server via secure method

In-Band Management - Assign an IP address to a special "management" interface that we can connect to remotely

• Connect to a device to manage it through the network
• May be a separate interface or built in to another interface

Out-of-band Management

• Separate serial/USB interface
• Connect to a modem and dial into device/jump server