Description: An extranet firewall is a security solution designed to protect access to an extranet, which is a private network that allows communication and information exchange between an organization and its external partners, suppliers, or customers. This type of firewall acts as a filter between the company’s internal network and external access, ensuring that only authorized users can access shared resources. The main features of an extranet firewall include user authentication, role-based access control, and traffic monitoring to detect suspicious activities. Additionally, it can implement specific security policies that regulate what types of data can be shared and how they can be used. The relevance of an extranet firewall lies in its ability to protect sensitive information and ensure data integrity, which is crucial in a business environment where collaboration with third parties is common. In an increasingly interconnected world, implementing an extranet firewall has become essential to mitigate security risks and maintain trust in business relationships.