Until now I'm using Docker for a hand-made hosting solution on single-VPCs, with fail2ban installed on host and watching at Docker logs from Nginx containers (Each server can host multiple we...

I have an EC2 Instance with Ubuntu. I used sudo ufw enable and after only allow the mongodb port sudo ufw allow 27017 When the ssh connection broke, I can´t reconnect

I'm running a docker container that has the port 9000:9000 binding to the host, but I also have ufw enabled. The only ports I've allowed are 22, 80, 443. So why is it that I'm able to connect to t...

Took an interest in WSL2. It was my way of gettin into Linux and messed around for a while until I decided to install Nginx and allow it in ufw. When I enabled it with : sudo ufw enable It ...

I am reading the documentation for using kubeadm to set up a Kubernetes cluster. I am running Ubuntu Server 20.04 on three VMs but am currently only working with one of them before doing the config...

I turned on UFW on my ubuntu linux vm in azure, and now I can't connect to it over ssh (or anything). On both the private and public IP. Is there any way for me to connect to my vm now? e.g. the e...

https://docs.ansible.com/ansible/latest/modules/ufw_module.html I have configured Ansible 2 to allow a bunch of ip addresses with ufw with entries like this: - name: allow from this one computer ...

I'm trying to configure UFW in Ansible like this: - name: Set firewall default policy ufw: state=enabled policy=reject sudo: true - name: Allow SSH in UFW ufw: rule=allow port=22 proto=tcp T...

If I'm configuring UFW and also Amazon EC2 Security group, which will override the other, or do they both co-exist without any issues?

I've followed a number of online tutorials to set up a Kubernetes cluster on four Raspberry Pi 4s. I ended up using Flannel as the networking plugin as that seems to be the only one that actually w...

Had enabled auto-restart for ufw, was working fine before, but I am not able to understand what went wrong... use case: when I check sudo ufw status it shows -> Status: inactive Then I e...

I'm trying to install a kubernetes cluster on my server (Debian 10). On my server I used ufw as firewall. Before creating the cluster I allowed these ports on ufw: 179/tcp, 4789/udp, 5473/tcp, 4...

In my DigitalOcean (DO) droplet I installed this image: Ubuntu Docker 17.12.0~ce on 16.04 (which is available on ** DO website > droplet> destroy> rebuild droplet**) , in ssh (after user configurat...

Situation I'm trying to learn how to use docker on my local machine. The local machine is set up to only route traffic through a VPN. The default UFW policy is to DENY all incoming and outgoing tr...

I cant connect to my instance on ec2. All was ok early, and I think now problem in ufw. When I configured my server I enable ufw for 80 port and maybe its disable 22 port. Because early all was ok...

sudo ufw status on my Debian server initially showed the following configuration: Status: active To Action From -- ------ ---- OpenSSH ALLOW Anywhere OpenSSH (v6) ALLOW Anywhere (v6) I've...

I'm working to setup UFW rules via Ansible. I'm able to get it installed, start it and deny everything. I then attempt to allow connections from http, https, and ssh. All attempts to add the allow ...

I'm running a websocket server, using embedded Jetty. It works as intended when I make connections from the same machine (localhost), but when I try to connect from a different machine, I ge...