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Managing SSH Access

In this lab, we will restrict SSH access to specific user accounts from specific sources. This will allow us to granularly control SSH access to a host. *This course is not approved or sponsored by Red Hat.*

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Path Info

Clock icon Intermediate
Clock icon 30m
Clock icon May 24, 2019

Contact sales

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Table of Contents

  1. Challenge

    Allow Susan SSH access from host

    1. Edit the /etc/ssh/sshd_config file with the following line:
    sudo vi /etc/ssh/sshd_config
    • enter password for cloud_user
    AllowUsers [email protected]  
  2. Challenge

    Permit root SSH login from the subnet

    1. The first step is to permit root logins by removing the comment in front of the line #PermitRootLogin yes in the /etc/ssh/sshd_conf file.
    2. Secondly, we need to add [email protected]/24 to the AllowUsers line in the /etc/ssh/sshd_config file.
    3. Now we need to restart the sshd service so the changes we made will take affect:
    systemctl restart sshd  

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