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Other applications have been updated in the last month.
These content management systems are not managed by ‘yum’ so will not be updated with a ‘yum update’ like the other packages installed.
Requirements for a server change and as packages are installed and removed the ports that it is listening on may change potentially introducing vulnerabilities so it is important to restrict this traffic correctly, this is typically done in Linux with iptables or perhaps a hardware firewall that sits in front of the server.
You can test for ports that are open by using nmap from another server, and view the current rules on the server by running ‘iptables –L –v’. User accounts should be configured to expire after a period of time, common periods are anywhere between 30-90 days.
So, take a stroll down memory lane to remember all of our past Word of the Year selections.
I have had the opportunity to write a blog for Apress with a brief introduction to My SQL NDB Cluster.