Setting Up Pure-FTPd Server on CentOS 7
Setting up an FTP server is a fundamental step in creating a robust and secure file transfer infrastructure. Pure-FTPd is a popular choice among system administrators due to its lightweight nature and focus on security. In this guide, we will walk you through the process of installing and configuring Pure-FTPd on a CentOS 7 server. Follow along for a seamless FTP server setup that ensures efficient and secure file transfers.
Prerequisites:
Before we dive into the installation process, make sure you have a CentOS 7 server up and running with root or sudo privileges. Additionally, ensure that your server has a static IP address.Installation of Pure-FTPd:
The first step is to install Pure-FTPd on your CentOS 7 server. Open a terminal and run the following command:sudo yum install pure-ftpd
Starting and Enabling Pure-FTPd:
After the installation is complete, start and enable Pure-FTPd to ensure it runs on system boot:sudo systemctl start pure-ftpd
sudo systemctl enable pure-ftpdConfiguration Files:
Pure-FTPd's configuration files are located in the/etc/pure-ftpd
directory. The main configuration file ispure-ftpd.conf
. You can use a text editor to modify this file based on your specific requirements.User Authentication:
Pure-FTPd uses system users for authentication by default. To create an FTP user, use the following command:sudo pure-pw useradd <username> -u <system_username> -g <system_group> -d /path/to/directory
sudo pure-pw mkdbSetting Up Virtual Users:
Virtual users are useful for FTP access without system user accounts. To set up a virtual user, use the following commands:sudo pure-pw useradd <virtual_username> -f /etc/pure-ftpd/passwd/pureftpd.passwd -m -u ftpuser -d /path/to/directory
sudo pure-pw mkdbEnabling TLS/SSL Encryption:
Secure your FTP connections by enabling TLS/SSL encryption. Generate a self-signed SSL certificate with the following commands:sudo openssl req -x509 -nodes -newkey rsa:2048 -keyout /etc/ssl/private/pure-ftpd.pem -out /etc/ssl/private/pure-ftpd.pem
Update the Pure-FTPd configuration file to use the SSL certificate:
sudo nano /etc/pure-ftpd/pure-ftpd.conf
Add or modify the following lines:
TLS 1
TLSCertificateFile /etc/ssl/private/pure-ftpd.pemFirewall Configuration:
Open the necessary ports in your firewall to allow FTP traffic. Use the following commands:sudo firewall-cmd --permanent --add-port=21/tcp
sudo firewall-cmd --reload
More Examples:
Limiting Connections:
To limit the number of simultaneous connections, edit the Pure-FTPd configuration file and set the 'MaxClientsNumber' parameter.Logging:
Explore the/var/log/pure-ftpd/pure-ftpd.log
file for FTP server logs to troubleshoot and monitor activities.Chroot Configuration:
Enhance security by configuring chroot jails for users, restricting them to their home directories.
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