Introduction
Config Server Firewall (CSF) is a popular and powerful firewall configuration script designed to provide better security for Linux servers. This tutorial will guide you through the process of installing and configuring CSF on Rocky Linux 9.
Prerequisites
Before you begin, ensure you have:
- A Rocky Linux 9 server
- SSH access to the server (optional)
- Root or sudo privileges
Step 1: Install CSF
Install CSF using the following commands:
sudo dnf install -y wget perl unzip
wget https://download.configserver.com/csf.tgz
sudo tar -xzf csf.tgz
cd csf
sudo sh install.sh
Step 2: Configure CSF
Edit the CSF configuration file to customize the settings:
sudo nano /etc/csf/csf.conf
Make any necessary changes to the configuration file, such as opening specific ports or enabling certain features.
Step 3: Start CSF
Start the CSF firewall:
sudo csf -r
Step 4: Enable CSF at Boot
To ensure CSF starts automatically at boot, enable the CSF service:
sudo systemctl enable csf
Step 5: Check CSF Status
Check the status of CSF to ensure it is running:
sudo csf -s
Conclusion
Congratulations! You have successfully installed and configured Config Server Firewall (CSF) on Rocky Linux 9. You can now use CSF to enhance the security of your server.
RDS CAL (Client Access License)
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