Example from telnet = ResetLoginPassword system. ResetLoginPassword from putty RAW port 2002. RESET_LOGIN_PASSWORD “username” from the Maintenance page. Have you lost the ROOT password for the system?! If you have another user with “system” access you can try running.The Junos OS is preinstalled on the router or switch. Master Password for Configuration Encryption. So I got the firmware image (which is achievement, considering Dahua stance on firmware) and managed to extract. The currently documented password (vizxv) does not work. Unfortunately Dahua does not provide the root password (purposely, as it is hardcoded backdoor). I wanted to access my Dahua IPC-HFW4300S via telnet (as there is no ssh access).As the ISP changes the IP address it assigned to the Cisco router, the router in turn will also update its DDNS provider. When an Internet host queries the DDNS provider for the domain, it will then point the host towards the public IP addresses currently assigned to the router, that is, 195.162.29.1.