I have Nginx, Gunicorn, set up for a Django app. I’d like to test, so only myself and one other individual on my network can see the site. However, I would like to test mail through my mail host and mail sender service as well. I am utilizing Cloudflare and have their IPs whitelisted in my fw. I already have a rule to deny all traffic except the Cloudflare IPs, my local host, plus SSH and Nginx. How can I correctly accomplish denying traffic on my fw for staging purposes?
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