This chapter introduced the different CLI modes and discussed the initial configuration of the Cisco ASA. It presented a brief overview of the networking technologies, such as IPv6, DHCP, NTP, and SNMP, and provided examples of how to set them up. Telnet and SSH were discussed as the remote-management protocols. This chapter also assisted in system maintenance features such as image upgrade, image, and password recovery methods. The last section discussed the security appliance monitoring capabilities, such as system logging, SNMP, and a set of show commands to check the status and health of the device.