Securing SSH

Securing SSH

Coding, Guide
If you are using SSH, you'll want to run down this checklist of to make that ssh server a bit more secure. If any of these settings is absent from the configuration file, you should add them. For Ubuntu this is in the file /etc/ssh/sshd_config Change Port This is more of a security through obscurity approach, but it'll help slow down bot scrapers. Change this value to something else. Port 22 Set Client Timeout ClientAliveInterval configures the server to send null packets to clients each 10 seconds. ClientAliveCountMax configures the server to close the connection if the client has been inactive for 300 seconds. In this case that is 10*300 = 3000 seconds or 50 minutes. ClientAliveInterval 10 ClientAliveCountMax 300 Disable empty passwords PermitEmptyPasswords no Limit Login Attempts MaxAuthTries 3…
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