A Linux firewall is a system that provides network security by filtering incoming and outgoing network traffic based on a set of user-defined rules. In general, the purpose of a firewall is to reduce or eliminate the occurrence of unwanted network. Here we provide you with the brief information about How firewall works and protect your system at different Layers.
An intrusion detection system (IDS) is a type of security software designed to automatically alert administrators when someone or something is trying to compromise information system through malicious activities or through security policy violations.
Open source Filter or Linux filters refers to a software or a program that blocks certain aspects of Internet browsing for employees in an organization. Web Content filtering or Internet filtering refers to a software or a program that blocks certain aspects of internet browsing for employees in an organization. Each company these days has some or the other kind of web filtering in place
The ClearOS Linux firewall app allows administrators to simply open ports for services running locally on the server. If a service requires connections from outside your network to be made (i.e. running a web or mail service on a system