Business activity without internet connection? Hardly imaginable today! This makes it all the more important to plan exactly how to communicate with the Internet. All customers have and had a need for the planning and implementation of a suitable solution.
Firewalls with clean configuration, cascading of Internet access (web proxy, packet inspection), centralization of email gateways with malware filters and effective spam protection and VPN connections have been the daily topics for years. The statistics and the high availability of the supported customer systems show that the solutions I have implemented are working.
The partial outsourcing of services and hardware to specialized service providers (cloud computing in a very general reading) adds new requirements. The systems have to be integrated into the own network with high performance, but at the same time they have to be isolated from the outside world.