Hacking For Beginners – Manthan Desai
o
2010
Ensure that only essential services are running. Stop unused services like sendmail, NFS etc
$ chkconfig --list
$ chkconfig --del sendmail
$ chkconfig --del nfslock
$ chkconfig --del rpc
o Verify system logs at regular intervals to check for suspicious activity - (System logs in /var/log/secure) Patch the Linux system and keep it up to date o Check for bug fixes at the vendor site o Update packages as and when available at the Update site of the vendor.
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