Category "iptables"

Docker private IPs are leaking on external network

Docker Version 19.03.12 on Ubuntu 18.04.5 LTS (and also seen on previous version) We have the problem that network packets are send to the external network with

k3s failed to get Kubernetes server version: Get https://10.43.0.1:443/version?timeout=32s: dial tcp 10.43.0.1:443: connect: connection refused"

I have a weird problem that I cannot understand. Running a k3s cluster with an external mysql database on ubuntu server 18.04 LTSall the pods that come pre-inst

iptables rules missing after docker restart. How to save permanently?

I am running docker and Zerotier and for Zerotier to work properly, I need to add rules to iptables. However, after each reboot this rule is removed by docker.

docker, iptables and cloudflare

I have the same problem that was solved here, trying to create iptables rules that block incoming HTTP/HTTPS traffic except for IPs other than Cloudflare. Docke

IP tables TEE command changes source mac address

I am trying to forward/clone traffic from my host machine to my docker container using IPtables command. I am able to receive traffic inside my container via ip

iptables moving rule in a list

i have 2 rules of iptables iptables -A INPUT -s 5.5.5.5 -j DROP iptables -A INPUT -s 6.5.5.5 -j ACCEPT is there a function or a command that will swap the

Docker container accessible only via Cloudflare CDN (selected ip ranges)

I have webserver in docker container, but I cannot configure iptables on my host (Debian). I want allow only specified ip addressess to connect on ports 80 and