(Remember to write your own dictionary and compile it according to the plan. Use superscan to scan broadband users, and then use webcracker to brute force the password. Usually the username and password are the default admin, or root, user. For the situation where the user cannot be scanned, it is recommended to use the ADSL password terminator, which provides ip queries in various regions , will display the type of users, select those users of the residence type.)