### How to Allow Port Through Firewall on AlmaLinux
#### Introduction
Configuring the firewall to allow specific ports is crucial for enabling communication between devices and services. AlmaLinux, like other RHEL-based distributions, uses `firewalld` as its default firewall management tool. This guide will walk you through the steps to allow a port through the firewall on AlmaLinux.
#### Prerequisites
Before you start, ensure you have:
- Root or sudo access to the AlmaLinux system.
#### Steps
1. **Check Firewall Status**:
- Verify the status of `firewalld` to ensure it is running:
```sh
sudo systemctl status firewalld
```
2. **Allow a Port**:
- To allow a specific port (e.g., port 8080), use the following command:
```sh
sudo firewall-cmd --permanent --add-port=8080/tcp
```
3. **Reload Firewall Rules**:
- After adding the port, reload the firewall rules to apply the changes:
```sh
sudo firewall-cmd --reload
```
4. **Verify Port is Allowed**:
- Confirm that the port has been allowed through the firewall:
```sh
sudo firewall-cmd --list-ports
```
#### Conclusion
By following these steps, you can easily allow a port through the firewall on AlmaLinux, enabling specific services to communicate through the specified port.
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