| Engineering Journal 6.5.1: Configuring security Use the following steps to configure the router with some security measures, such as the router host name and the password used to prevent unauthorized access to the router: Step 1 Configure the router with a host name, which is used in prompts and default configuration filenames. For PPP authentication, the host name entered with this command must match the username of the central site router: Router(config) # hostname 1600 Step 2 Specify a password to prevent unauthorized access to the router: 1600(config) # enable password 1600user