GajShield is a security administration tool that helps system administrators manage and secure their systems. It provides a centralized interface for managing users, groups, and permissions, as well as a range of security features such as intrusion detection and prevention, file integrity monitoring, and log management. How do I access GajShield firewall? To access the GajShield firewall, you will first need to log into the GajShield web console. Once you are logged in, you will be able to view and manage all aspects of the firewall.