Introduction on CrowdSec CrowdSec is a free, open-source and collaborative IDS (Intrusion Detection System) and combined with a bouncer an IPS (Intrusion Prevention System). CrowdSec Analyzes behaviors, respond to attacks & share signals across the community by analyzing your logs. By leveraging on this community it benefits from all the […]
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How to setup NGINX reverse proxy for Microsoft Exchange
Introduction on NGINX NGINX is a modern fast webserver which also can be used as an reverse proxy server. A proxy server is a go‑between or intermediary server that forwards requests for content from multiple clients to different servers across the Internet. A reverse proxy server is a type of […]
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How to verify your SSL/TLS Certificate for IMAP/POP3/SMTP with OpenSSL
Introduction After installing an SSL/TLS certificate on your mail server you should check if it is correctly configured. The OpenSSL command offers a easy way to check and verify your certificate chain. For this guide to work your system needs to have the openssl or libressl library installed. All modern […]
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Backup VMware ESXi host with PowerCLI
Introduction to VMware ESXi As you should know right know having backups of your system is a critial part of protecting your data. Although VMware ESXi host don’t contain data themselve it still is a good practice to backup your configuration to make disaster recovery alot easier and faster. In […]
Continue readingInstalling VMware PowerCLI on Linux or macOS
Introduction PowerCLI is a command-line interface for managing and automating all aspects of vSphere management, including networking, storage, VMs, guest OS, and more.PowerCLI functions as a collection of PowerShell modules that contain more than 700 cmdlets (commands) to manage VMware infrastructure. PowerCLI runs on top of PowerShell. PowerShell used to […]
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