Securing a SOHO Wired Network
While a wired network can be more secure than a wireless one, there are still a number of procedures you should follow to leave as little to chance as possible. Among them, change the default usernames and passwords to different values and secure the physical environment. You should also disable any ports that are not needed, assign static IP addresses, and use MAC filtering to limit access to only those hosts you recognize.
Change Default Usernames and Passwords
Make sure the default password is changed after the installation of any network device. Failure to do so leaves that device open for anyone recognizing the hardware to access it using the known factory password.
In Windows, the Guest account is automatically ...
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