k8s 端口使用情况
k8s 开启防火墙时的端口问题
Port
k8s组件、附件常用默认端口如下:
组件 | 端口 |
---|---|
etcd | 2379,2380 |
kube-apiserver | 6443 |
kube-controller-manager | 10252,10257 |
kube-scheduler | 10251,10259 |
kubelet | 2144,10248,10250,10255 |
kube-proxy | 10249,10256,30000-32767 |
calico | 179,9090,9091 |
docker | 4243 |
coredns | 53 |
harbor | 8080,5432,6379,5000,5001 |
nfs-server | 111,2049 |
ntp | 123 |
istio | 9876,15000,15010,15012,15014,15017,15053,8080,15021,80,443,15020,15090 |
thanos | 9090,10901,10902 |
prometheus | 9090 |
alertmanager | 9093 |
metrics-server | 443 |
kube-state-metrics | 8080,8081 |
注:开启防火墙后,需放行以上端口,还需放行sts的端口(比如harbor,harbor-database.harbor-redis都是sts,需要放行5432,6379,harbor-core才能正常连接数据库),