Limit SSH access by user and network

 Add user filtering with AllowUsers option in sshd_config file:

AllowUsers johndoe@192.168.1.* admin2@192.168.1.* otherid1 otherid2

This allows johndoe and admin2 only from 192.168.1.* addresses and otherid1, otherid2 from anywhere.

 

 

Checking Root Account Status

  Checking Local Root Account Status Run sudo passwd -S root : Look for the status letter in the output. An L means the account is locked (...

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