Java Web Developer with a passion for Spring and cloud computing. Know a thing or two about AWS. Trying to learn NodeJS lately with the help of TypeScript.
I think the other answers already talked about you should know about HTTP, but about HTTPS it would be good to know how certificates actually works, how to properly issue one and what you have to do to have the padlock beside your site URL.
One important thing is if your site is delivered through HTTPS, everything must be delivered through HTTPS. Sometimes you will not understand the warnings when one little image is being delivered through HTTP instead of HTTPS. And that HTTP is over port 80 and HTTPS over port 443. ;-)
For further actions, you may consider blocking this person and/or reporting abuse
We're a place where coders share, stay up-to-date and grow their careers.
I think the other answers already talked about you should know about HTTP, but about HTTPS it would be good to know how certificates actually works, how to properly issue one and what you have to do to have the padlock beside your site URL.
One important thing is if your site is delivered through HTTPS, everything must be delivered through HTTPS. Sometimes you will not understand the warnings when one little image is being delivered through HTTP instead of HTTPS. And that HTTP is over port 80 and HTTPS over port 443. ;-)