Web Server Security Basics for Hosting Users

Website security is not limited to WordPress or a hosting control panel.

The web server itself is an important part of the hosting environment.

Understanding basic server security helps website owners and developers make better hosting decisions.

Keep the Server Software Updated

A web server uses multiple software components.

Depending on the environment, these can include:

• Operating system
• Web server
• PHP
• Database server
• Control panel
• Other services

Security updates should be applied according to the hosting environment and management responsibility.

Use HTTPS

HTTPS protects communication between visitors and the website.

Install a valid SSL certificate and ensure the website works correctly over HTTPS.

Use a Firewall

A firewall can control which network traffic reaches the server.

Only necessary services should be publicly accessible.

Protect Administrative Access

Server administration interfaces should not be exposed unnecessarily.

Use secure authentication and appropriate access controls.

Use Strong Credentials

Every administrative account should use a strong, unique password.

Avoid shared credentials whenever possible.

Disable Unnecessary Services

Unused services increase complexity and can create additional security exposure.

Review which services are actually required.

Protect Databases

Database services should not normally be publicly exposed without a specific requirement.

Use strong credentials and appropriate permissions.

Keep PHP Updated

PHP is commonly used by WordPress and other web applications.

Use a supported PHP version compatible with your website.

Secure File Permissions

Files and directories should have permissions appropriate for their purpose.

Do not make everything writable simply to solve an application error.

Monitor Logs

Server and application logs can help identify unusual activity.

Look for:

• Repeated login attempts
• Unexpected errors
• Suspicious requests
• Large traffic changes

Protect Backups

Backups contain website data and should be protected.

Do not leave backup files publicly accessible from the website.

Limit User Access

Give users only the permissions they require.

This is especially important on VPS environments where multiple applications or users may exist.

Monitor Server Resources

Unexpected resource usage can sometimes indicate:

• Traffic spikes
• Application problems
• Misconfiguration
• Automated abuse
• Security incidents

Monitor CPU, memory, storage, and network activity.

Separate Hosting Responsibilities

Shared hosting and VPS hosting have different security responsibilities.

On shared hosting, many server-level controls are managed by the hosting provider.

On a VPS, the customer may have much greater responsibility for server configuration.

Do Not Change Security Settings Blindly

A security change that breaks a required service is not useful.

Understand the purpose of a configuration before changing it.

Maintain a Recovery Plan

Even strong security controls cannot prevent every incident.

Maintain reliable backups and know how to restore the website.

Final Thoughts

Web server security starts with basic principles:

• Updates
• HTTPS
• Firewall
• Secure administration
• Strong credentials
• Limited services
• Safe permissions
• Monitoring
• Backups

THE HOSTGURU customers using shared hosting can focus primarily on website and account security, while VPS users should also understand their additional server management responsibilities.

Frequently Asked Questions