How to open a port in the firewall on CentOS or RHEL

Posted by xmodulo on Oct 26, 2014 10:10 AM EDT
Xmodulo; By Dan Nanni 		Mail this story
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Out of the box, enterprise Linux distributions such as CentOS or RHEL come with a powerful firewall built-in, and their default firewall rules are pretty restrictive. Thus if you install any custom services (e.g., web server, NFS, Samba), chances are their traffic will be blocked by the firewall rules.

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» Read more about: Story Type: Security, Tutorial; Groups: Linux, Red Hat

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