hexo-blog/source/_posts/K8S-IPTABLES.md

title: K8S IPTABLES author: Gamehu tags:

• k8s categories:
• 工作 date: 2023-09-07 11:16:00 --- 最近处理一个现场，80端口正常开放，但是从外部curl无法访问，pod内部是没问题的

初步判断时k8s内部的转发出了问题

https://www.tkng.io/services/clusterip/dataplane/iptables/ https://kubernetes.io/blog/2022/09/07/iptables-chains-not-api/ https://dustinspecker.com/posts/iptables-how-kubernetes-services-direct-traffic-to-pods/ https://medium.com/swlh/manage-iptables-firewall-for-docker-kubernetes-daa5870aca4d https://livebook.manning.com/concept/kubernetes/iptable https://serenafeng.github.io/2020/03/26/kube-proxy-in-iptables-mode/ https://jimmysong.io/en/blog/understanding-iptables/ https://blog.csdn.net/cloudvtech/article/details/79728920