Tag Archives: iptables

LFCE Preparation Guide: Network Administration – Implementing Packet Filtering

Posted on January 15, 2015 by The Civilized Cynic

Introduction By “packet filtering,” the Linux Foundation here appears to be referring to iptables in the CentOS environment.  While iptables is still usable on RHEL/CentOS 7, it is by default replaced by firewalld (part of the systemd software suite), which … Continue reading →

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Logging Packet Drops in Firewalld

Posted on April 17, 2014 by The Civilized Cynic

Up-Front Answer Summary: The short answer is:  the feature to simply log all packet actions isn’t available yet.  See the link referenced below in the whole thing. The longer answer is:  There may be a feasible work-around: Your firewalld default … Continue reading →

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