What is DNSSEC?

Domain Name System Security Extensions or DNSSEC signs DNS Record Sets (RRsets) at each DNS zone level. This allows one to verify the DNS record they are receiving has not been altered.

For example, manage.liquidweb.com has these zone levels:

  • Root (.)
  • com, org, net
  • liquidweb
  • Manage

DNS Record Set (RRsets) is a group of records with the same record type, for example all DNS A records are one RRset.

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Find (View) Default Zone for Firewalld on CentOS 7

Pre-Flight Check

  • These instructions are intended for finding (viewing) the default zone in Firewalld on CentOS 7 via the command line.
  • I’ll be working from a Liquid Web Core Managed CentOS 7 server, and I’ll be logged in as root.

Continue reading “Find (View) Default Zone for Firewalld on CentOS 7”

Find (View) Active Zones in Firewalld on CentOS 7

Pre-Flight Check

  • These instructions are intended for finding (viewing) active zones in Firewalld on CentOS 7 via the command line.
  • I’ll be working from a Liquid Web Core Managed CentOS 7 server, and I’ll be logged in as root.

Continue reading “Find (View) Active Zones in Firewalld on CentOS 7”