ReaSoft Network Firewall can authenticate users not only by internal ReaSoft Network Firewall accounts, but also by Active Directory accounts. With ReaSoft Network Firewall Security Client installed on workstations, users can be automatically authenticated by their Windows login (NTLM) or ReaSoft Network Firewall login. Any Windows login (domain\username, computer\username, username) can be used to authenticate ReaSoft Network Firewall users. ReaSoft Network Firewall features We are ready and willing to help you realize all the power available to you with ReaSoft Network Firewall. Please refer to our support section for description on all available support options and our contact information.