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Hosting > Virtual Private Servers > Administration > Security >

Daily Routine

You should do the following tasks daily (sometimes several times a day over the course of each day):

Review logwatch output to see if anyone is trying to FTP or SSH into the system who should not have access. Block them out in your firewall.
Review chkrootkit output to see if your system has been compromised with a rootkit; if so review the CERT reporting guidelines and CERT recovery steps.
Review firewall logs and port scan logs to see if anyone is attacking your servers. Block them out in your firewall.
Change your root password or any root equivalent password on a regular basis.
Review your system log files on a regular basis looking for errors and suspicious activity.
Regularly review new technologies that are available for helping with security.

IMPORTANT NOTE: This document is based on FreeBSD. The concepts should be similar across operating systems, but the commands will very likely be different. Also, never assume the directory structures exist in your system as written in the document. Never blindly follow security instructions -- read, review, compare, apply as it fits your system.