From the course: Linux: Firewalls and SELinux

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Understand Firewalld services

Understand Firewalld services - Linux Tutorial

From the course: Linux: Firewalls and SELinux

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Understand Firewalld services

- [Narrator] We just got finished talking about what zones are and how you can view them and how they relate to the idea of working within the FirewallD system. But there's another area that I think is worth talking about and that is with services. The Fedora project defines a FirewallD service as a list of local ports and destinations and additionally, also a list of firewall helper modules automatically loaded if a service is enabled. So this is very useful, right? And it's helpful if you think about it. FirewallD is providing a list of commonly used TCP and UDP ports so you can easily figure out which ports and protocols are being used by the different services you may be running on the Linux server or host you're firewalling. So let's see a list of supported services that are installed be default with FirewallD. To do that, we're going to type firewall-cmd --get-services. I'd like to point out that I am running this as root in a pseudo session as we've talked about in one of the…

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