Description: An external access firewall is a network security tool designed to control and filter traffic entering an internal network from external sources. Its primary function is to protect internal resources from unauthorized access, cyberattacks, and other threats that may arise from the internet or external networks. This type of firewall acts as a barrier between an organization’s internal network and the outside world, allowing only traffic that meets certain predefined security rules. External access firewalls can be hardware, software, or a combination of both, and are essential for maintaining the integrity and confidentiality of sensitive information. Some of their most notable features include the ability to perform deep packet inspection, the implementation of access policies based on IP addresses, and the capability to log and monitor traffic in real-time. In a business environment, their relevance is critical, as they not only protect the organization’s data but also help comply with security and privacy regulations. In summary, an external access firewall is a fundamental component in the security architecture of modern networks, ensuring that only legitimate and secure traffic can access internal resources.
