Insecure content in iframe on secure page

Question

I\'m in the in the process of developing an application for a client, which will have an SSL certificate and be served under https. However, to integrate with their existing

Answer 1

Try removing the http: characters in the src attribute's value as so:

This is of course a workaround, security is important so don't bypass blithely, but anyway this once got me past a similar problem.