"Firewall (computing), a technological barrier designed to prevent unauthorized or unwanted communications between computer networks or hosts."
OPNline firewall products offer an out-of-the-box experience, now open source has become a viable alternative to commerical competitors.
As low as: €429.00OPNsense 19" rack mountable appliance all OPNsense appliances come with the e-book: 'pfSense The Definitive Guide' for FREE!
The OPNsense rack edition is an out-off-the-box firewall experience, with the pfSense open source firewall software in an embedded, fan-less appliance that consumes less than 5Watt, with all the features you might expect from commercial firewall solutions for a fraction of the cost.
The HD version is very suitable for applications that require more storage space or are demaning in terms of writes/erase cycles for instance in a proxy server.