Jicé – StrangerPing.Com

How to Unban an IP from Fail2Ban: Step-by-Step Guide

June 4, 2024 by Jicé

Sometimes, it may be necessary to unban an IP from Fail2Ban. Here is a tutorial explaining the procedure to follow. After a brief review of the logs, you will see which event banned the client’s address. First, we will list the jails: My Haproxy logs showed an SSL attack. To confirm that the client’s address … Read more

Configuring Apache and HAProxy to Record Clients’ Real IP Addresses

June 3, 2024 by Jicé

When hosting an Apache server behind an HAProxy, the server receives requests from the WAN through HAProxy. This method can pose a problem because your web server sees the proxy’s IP address for each request, making the logs almost unusable, and any WordPress security plugin might ban the proxy’s local address instead of the attacker’s … Read more

Implementing Wildcard SSL/TLS Certificates with OVH and Let’s Encrypt

June 3, 2024May 26, 2024 by Jicé

In today’s digital ecosystem, website security is paramount. The use of SSL/TLS certificates encrypts communications between users and servers, ensuring the confidentiality and integrity of exchanged data. A wildcard certificate, in particular, provides the flexibility to secure a primary domain and all its subdomains, making it indispensable for businesses with extensive and diversified web presence. … Read more

Demystifying Kubernetes: A Step-by-Step Guide to Setting Up Your Own Cluster

May 26, 2024 by Jicé

Whether you’re a budding developer or a seasoned system administrator, understanding how to set up a Kubernetes cluster is a valuable skill. This tutorial aims to demystify the installation process and guide you step by step through the necessary steps to create your own Kubernetes environment. Get ready to dive into the fascinating world of … Read more

Shutting Down a VM That Refuses to Power Off

May 26, 2024 by Jicé

On Proxmox, sometimes a VM refuses to shut down. It’s quite annoying, so here’s the ultimate solution: the “kill -9” of the VM’s PID.

Of course, there are gentler methods before resorting to this, but let’s not get into details!

How to install and configure NFS Server and Client

May 26, 2024 by Jicé

The NFS is a system for file sharing over the network.

Here, we will configure an NFS server and a client.

HTTPS-HaProxy

May 26, 2024 by Jicé

When you make a certificate request via certbot, you can declare multiple subdomains for the same certificate. Once your certificate is generated, you will need to merge the certificate and the key.

Creating a VLAN in Proxmox and OPNsense

May 26, 2024 by Jicé

It might be interesting to create a VLAN to isolate one or more VMs in a network.

In Proxmox, click on your hypervisor, then on network, and create a new Linux Bridge interface.

Configuration of HaProxy as a reverse proxy

May 26, 2024May 26, 2024 by Jicé

HaProxy is a remarkable tool that notably allows for load balancing or reverse proxying. It’s this latter functionality we will be focusing on.

The goal is to make two different web servers accessible from the same IP address and port via two subdomains.

How to configure HTTPS on Apache2

May 26, 2024 by Jicé

An important step when deploying an Apache2 server is the transition from the HTTP protocol to HTTPS. This allows for the encryption of data between the client and the server to protect its content from being transmitted in plain text over the internet.