From the course: Red Hat Enterprise Linux 8 Essential Training

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Use firewalld zones

Use firewalld zones

From the course: Red Hat Enterprise Linux 8 Essential Training

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Use firewalld zones

- [Instructor] I've mentioned zones a few times. If you want to learn more about them, check out the man page named firewalld.zones. A zone defines the level of trust for network connections. A connection can only be part of one zone. A zone however can be used for many different network connections, for example, you can have a zone for your internal network which allows DHCP connections and another for your external network that does not allow any new incoming traffic. If an incoming packet mentions the source address for the zone, then the zone's rules are applied. Included zones are drop where incoming packets are dropped with no response, block where incoming packets are blocked with an ICMP-host-prohibited response, external for use on external network connections with masquerading enabled, you do not trust the other computers on the network, DMZ for computers in the DMZ that are publicly accessible with limited access to internal computers, public, work, home and internal for…

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