What is a jump server? A jump server is a system that is used to manage and access systems in a separate security zone. It acts as a bridge between two different security zones. And, using a jump server, one can access systems between different security zones in a...
What is a load balancer? A load balancer is a device that distributes network or application traffic across multiple servers. A load balancer ensures that no server is overloaded while other servers are idle. A load balancer thus helps in improving the response time...
What is zero trust security? Traditional network security is based on trust and verify principle. If a user or device is inside the network perimeter, it is trusted. But, this approach may prove to be insecure at times. For example, if an attacker manages to gain...
What is Port Security? Port security is a security feature using which one can limit what MAC addresses are allowed to send traffic through a switch port in a switched network. Using port security, one can limit the maximum number of MAC addresses that can be learned...
What is Access Control List (ACL) in networking? Access Control List or ACL is a network filter that is often used by network devices like routers and switches to control network traffic. ACL can be used on a network interface to control the network traffic passing...
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