A firewall for humans.
Proxmox VE Helper-Scripts (Community Edition)
Cross-platform multi-protocol VPN software
Open source alternative to AWS. Elastic compute, block storage
Zeek is a powerful network analysis framework
Environment to experiment the system on simulated and real networks
CacheGuard Gateway is a UTM, a WAF, and a QoS management appliance.
Network Load Balancer and Application Security
Share a VPN connection with VMs or containers
Anti Spam SMTP Gateway
Zentyal is a Linux Small Business Server
If you need to configure CentOS7 for your webserver take a look here.
Small Content Filtering And Web Acceleration Appliance
High-performance WAF built on the OpenResty stack
Tiny Linux distribution for embedded and virtual network appliances
High interaction honeypot solution for Linux based systems