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                                 Virtual system administrator (read-only) 
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                                 Read-only access to selected virtual systems on the firewall and
                                    specific aspects of virtual systems. A virtual system
                                    administrator with read-only access doesn’t have access to
                                    network interfaces, VLANs, virtual wires, virtual routers, IPSec
                                    tunnels, GRE tunnels, DHCP, DNS Proxy, QoS, LLDP, or network
                                    profiles. 
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