From the course: CompTIA Linux+ (XK0-005) Cert Prep

Unlock the full course today

Join today to access over 24,300 courses taught by industry experts.

Use firewalld zones

Use firewalld zones - Linux Tutorial

From the course: CompTIA Linux+ (XK0-005) Cert Prep

Start my 1-month free trial Buy for my team

Use firewalld zones

“

- Firewalld has the concept of zones. If you want to learn more about them, check out the man page named firewalld.zones. A zone defines the level of trust for the network connections. A connection can only be part of one zone. A zone, however, can be used for many network connections. For example, you could have a zone for your internal network, which allows DHCB connections, and another for your external network that does not allow any new incoming traffic. If an incoming packet matches the source address for your zone, then the zones 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. In this case, you do not trust the other computers on the network. DMZ for computers in the demilitarized zone that are publicly…

Contents