Implementing Custom Security Headers in Webflow Enterprise

Step 1: Understand Common Security Headers
Before implementing security headers, it’s essential to know which ones to use. Common security headers include:

Content Security Policy (CSP): Prevents cross-site scripting and code injection attacks.
X-Content-Type-Options: Stops the browser from mistaking file types.
X-Frame-Options: Prevents clickjacking by controlling page framing.
Strict-Transport-Security (HSTS): Ensures the site is accessed only over HTTPS.
X-XSS-Protection: Activates the browser's built-in XSS filter.

Step 2: Check Your Webflow Plan
Ensure you are on Webflow Enterprise or a plan that supports custom code and header modifications, as this functionality is typically available on higher-tier plans.

Step 3: Access Project Settings
Log in to your Webflow account.
Go to your project dashboard.
Select the project you wish to enhance.
Click on the Settings tab within the project dashboard.

Step 4: Identify the Custom Code Section
Within project settings, you’ll see tabs like General, SEO, and Integrations.
Locate the Custom Code tab where scripts and headers can be added.

Step 5: Input Security Headers
In the Custom Code section, there are fields for Header code and Footer code. Security headers should be added in the Header code field, as they need to be processed before the page content.

Example headers to input:
Content-Security-Policy: default-src 'self'; script-src 'self' https://apis.example.com.
X-Content-Type-Options: nosniff.
X-Frame-Options: DENY.
Strict-Transport-Security: max-age=31536000; includeSubDomains.
X-XSS-Protection: 1; mode=block.

Adjust the content of these headers according to your site's needs, such as altering CSP source specifications.

Step 6: Save the Changes
Scroll down and click Save to implement your changes.

Step 7: Publish Your Changes
Return to the project dashboard.
Click Publish to make your changes go live. Remember, the headers only work once the site is published.

Step 8: Test Your Security Headers
Use an online security header checker tool, such as SecurityHeaders.com.
Enter your site's URL and run the check to ensure headers are present and correct.

Step 9: Monitor and Adjust
Regularly monitor web traffic and security reports.
Adjust security headers as necessary, based on new security practices or emerging vulnerabilities.

By adding custom security headers to your Webflow Enterprise site, you strengthen your website’s security against various online threats. This process enhances user trust and ensures compliance with best practices. Regularly updating and monitoring your security settings is key to maintaining a secure online presence.