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– Protocol: IPsec (tunnel and transport mode, XAuth/Mode Config) – CIFS integrity check of network drives for changes to specific file types (e.g., execut­able files) – Individual rule sets as action (target) of firewall rules (apart from user firewall or VPN firewall) – Individual firewall rules for different users (user firewall) – Port forwarding (not in “Stealth” network mode) – 1:1 NAT (only in “Router” network mode)

– NAT with FTP, IRC, and PPTP support (only in “Router” network mode) – Optional conversion of DSCP/TOS values (Quality of Service) – DNS cache on the internal network interface – DHCP server/relay on the internal and external network interfaces – Stealth (auto, static, multi), router (static, DHCP client), PPPoE (for DSL), PPTP (for DSL), and modem

The mentioned properties are not guaranteed properties, as they are basically dependent on the respective device and on installed licenses. The dynamic packet filter inspects data packets using the source and destination address and blocks unde­sired data traffic. – Configurable firewall for protection against unauthorized access. – VPN router for secure data transmission via public networks (hardware-based DES, 3DES, and AES encryption, IPsec and OpenVPN protocol). – Industrial security network router (with built-in 4 or 5-port switch and DMZ port depend­ing on the model). The mGuard protects IP data links by combining the following functions: