Ingress node firewall demo on OCP cluster

by msherif4 2 years ago

GNU/Linux ◆ xterm-256color ◆ bash 470 views

Demo flow:-

Deploy ingress node firewall operator and make sure its running
Install all ingress node firewall CRDs
Apply Ingress node firewall config resource to bring up ingress node firewall daemonset.
Apply ingress node firewall rule to drop tcp packets on port 8080 and icmp echo request packets
Check ingress node firewall rule and nodeStat object’s status make sure they both are synced.
Send curl traffic to port 8080 make sure its dropped
Check statistics update
Check events log
Delete ingress node firewall rule
Apply ingress node firewall rule to try to drop connection to API server TCP:6443 make sure webhook fails this configuration.

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