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Default settings allow users to change their own passwords by connecting to the router via Telnet. How do I disable this option?

April 26, 2017Default disable passwords Router settings telnet Users

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Default settings allow users to change their own passwords by connecting to the router via Telnet. How do I disable this option?

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A. In order to prevent users from changing their passwords through Telnet, complete these steps. • Back up the local registry. • Go to registry key HKEY_LOCAL_MACHINE\SOFTWARE\Cisco\CiscoAAAv< your_version >\CSTacacs • Highlight CSTacacs. Then right-click and select NEW-DWORD in order to add a registry value. • When the new key appears on the right-hand side of the window, type disablechangepassword into the new key window. • The default value for the new key is 0. This allows users to change the password. Right-click on the new key and select Modify. Then change the key value to 1 in order to disable the ability to change the password. • After you add this new key, restart the CSTacacs and CSAuth services.