A firewall protects systems and networks by establishing a barrier between the trusted internal network and the untrusted external network. A firewall is a must for protecting any system or network against security threats and attacks. There are certain things that need to be done to ensure maximum effectiveness of the firewall software and enhanced security. Heres a list of things, firewall best practices, that could help any IT administrator in enhancing the performance and. ensuring better. protection against threats and. attacks and thereby ensure better protection.”]
Source: https://hackercombat.com/firewall-best-practices-for-effectiveness-and-better-security/