Policy rulesPolicy rules📄️ Basic rulesDefine network connectivity for Calico endpoints using policy rules and label selectors. 📄️ Use namespace rules in policyUse namespaces and namespace selectors in Calico network policy to group or separate resources. Use network policies to allow or deny traffic to/from pods that belong to specific namespaces. 📄️ Use service rules in policyUse Kubernetes Service names in policy rules. 📄️ Use service accounts rules in policyUse Kubernetes service accounts in policies to validate cryptographic identities and/or manage RBAC controlled high-priority rules across teams. 📄️ Use external IPs or networks rules in policyLimit egress and ingress traffic using IP address either directly within Calico network policy or managed as Calico network sets. 📄️ Use ICMP/ping rules in policyControl where ICMP/ping is used by creating a Calico network policy to allow and deny ICMP/ping messages for workloads and host endpoints.