Block SSH Authentication on Linux

200 pts.
Tags:
Linux
Linux administration
Oracle
Scenario: We have multiple user in production server like Oracle, DatabaseUser.

Concern: Because of a security concern, we don't want Oracle & DatabaseUser User to get SSH authentication. Who can we stop only specific user from SSH authentication? Is there any configuration change I need to make on Linux Server?
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  • Subhendu Sen
    To disable ssh authentication for several users, open main ssh configuration file  (depends on linux flavor also) with your choice of editor and configure with Match keyword to overcome this issue. You can also use Deny keyword but Match is more effective.
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  • NitinIND
    Thanks .. I tried with deny keyword & it works..
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  • Subhendu Sen
    Happy to know that, your problem is solved now. You are most welcome and thank you.
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