A firewall is a part of the computer system that is designed to block unauthorised access while permitting authorised communications. It is a system application that is designed to permit, deny, encrypt network traffic both incoming and outgoing between different domains. Office 365 Setup makes sure that your firewalls are effectively and secure. We will audit your configuration and advise you based on our assessment on your rules. Well eliminate potential risks and exploits to your system. Office 365 Setup will work with you to address any firewall issues which may lead disruption to your services and prevent you from being at risk to unauthorized intrusion.