Is there any alternative for ddos prevention?

What’s wrong with cloudflare?

The text under thread title “one month ago”, “3 weeks ago”, etc. It could give the impression thread is inactive.

Also I think a “latest activity” indicator in threads would be more informative that just thread creation, as in many this gives the wrong impression of inactivity in an old thread.

I read the op’s post as more a complain about community name parking rather than squatting.