Magic Firewall is a network-level firewall delivered through Cloudflare to protect your network. It is configurable by all Magic Transit customers from the dashboard under Firewall Rulesets or by making calls to Cloudflare's API. Rules can be crafted in Wireshark syntax, a domain-specific language common in the networking world and the same syntax used across our other products. With this syntax, you can easily craft powerful rules to precisely allow or deny any traffic in or out of your network.
Access to the API is controlled by the
Magic Firewall allows you to define skip and block rules on any packet characteristics including source and destination IP, source and destination port, protocol, packet length, and bit field match.