Add a new rule to a firewall group.
Special subnet values: Cloudflare, Onidel, HetrixTools, CloudFront, UptimeRobot.
To reference an IP list, use list:{ip_list_id} as the subnet value.
Provide the value as: Token <your-api-token>
Firewall Group UUID
tcp, udp, icmp "tcp"
IP/CIDR, special value (Cloudflare, Onidel, HetrixTools, CloudFront, UptimeRobot), or IP list (list:{uuid})
"0.0.0.0"
CIDR prefix length
"0"
Port number or range (e.g. '80', '8000:9000'). Not required for ICMP.
"443"
"Allow HTTPS traffic"
Firewall rule created successfully