Companies hosting their own websites, an online shop, or e-mail inboxes should make sure to separate the corresponding server of these from the local network. This makes it possible to protect devices within the company network from hacker attacks that take place on public networks. Solid protection comes in the form of a demilitarized zone, which separates endangered systems from sensitive...
Most computer users are at least aware of the term firewall. When activated, they help protect computers. But announcements about blocked applications can become a source of irritation for many users, especially when the background information for such messages is unknown. But how do firewalls work? And what role do hardware firewalls play in protecting your computer?
A big problem with the previous Internet Protocol version, IPv4, was the missing guarantee of security standards of integrity, authenticity, and confidentiality. This previous protocol lacked the necessary means to identify data sources or enable secure transport. The protocol suite IPsec, developed for IPv4’s successor, IPv6, has changed the situation for Internet Protocol overnight.