I found this article while searching if there is any VCL tweak that needs to be done while using varnish and cloudflare. I have currently not included the below tweaks suggested by cloudflare. Can anyone suggest if this is really needed?
Not a must do, but it may be a good idea to strip not-needed cookies, so that you can cache as much as you can. Perhaps try with and without the snippet and check which behaviour works best for your use case.