Virtual Private Networks (VPNs) have become increasingly popular in today's digital landscape, providing secure and encrypted connections over public networks. Among the most advanced VPN protocols available, WireGuard stands out for its simplicity, speed, and security features. This guide will provide step-by-step instructions on how to install and configure WireGuard on a CentOS 9 server and set up a client on an Android device.
To begin, establish a secure connection to your CentOS 9 server via SSH. Once connected, execute the following commands:
sudo dnf install -y epel-release
sudo dnf install -y wireguard-tools wireguard-dkms
wg genkey | tee privatekey | wg pubkey > publickey
sudo wg-quick up wg0
sudo systemctl enable [email protected]
sudo systemctl start [email protected]
sudo firewall-cmd --zone=public --add-port=51820/udp --permanent
sudo firewall-cmd --zone=public --add-interface=wg0 --permanent
sudo firewall-cmd --reload
From the Google Play Store, download and install the WireGuard app.
Tap the "+" icon in the WireGuard app and select "Create from QR code." Scan the QR code obtained from the server's configuration.
Toggle the switch on the WireGuard profile to establish a VPN connection.
To verify the VPN connection, visit a website that displays your IP address. You should see the IP address assigned by the VPN server.
On the server, add a peer configuration for the Android client by editing the /etc/wireguard/wg0.conf
file:
[Peer]
PublicKey =
AllowedIPs = /32
On the server's firewall, allow traffic from the client's IP address:
sudo firewall-cmd --zone=public --add-rich-rule='rule family=ipv4 source address=/32 accept' --permanent
sudo firewall-cmd --reload
Pros:
Cons:
By following the steps outlined in this guide, you can successfully install and configure WireGuard on a CentOS 9 server and establish a secure VPN connection on your Android device. With its exceptional speed, enhanced security, and cross-platform compatibility, WireGuard is an ideal choice for a variety of VPN applications. By implementing additional security measures and configuring the server and client settings effectively, you can ensure a robust and reliable VPN connection.
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