How to Insert Logo into Blocked Page?ΒΆ
When Web Safety blocks HTTP request or response, it sends back to client the Blocked Page that is a simple HTML file stored in /opt/websafety/etc. If you would like to extend the page with the logo or any other image possible solution might be to use the Data URI scheme.
For example the following image

can be encoded as Base64 Data as:
<img alt="" src="data:image/png;base64,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" />
Then just add this image tag to the HTML where you find it appropriate.