Services Modbusgateway
IX20 User Guide
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To limit access to specified IPv4 addresses and networks:
a. Click IPv4 Addresses.
b. For Add Address, click .
c. For Address, enter the IPv4 addressor network that can accessthe device's web
administration service. Allowed values are:
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Asingle IPaddress or host name.
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Anetwork designation in CIDRnotation, for example, 192.168.1.0/24.
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any: No limit to IPv4 addresses that can access the web administration service.
d. Click again to list additional IPaddresses or networks.
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To limit access to specified IPv6 addresses and networks:
a. Click IPv6 Addresses.
b. For Add Address, click .
c. For Address, enter the IPv6 addressor network that can accessthe device's web
administration service. Allowed values are:
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Asingle IPaddress or host name.
l
Anetwork designation in CIDRnotation, for example, 2001:db8::/48.
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any: No limit to IPv6 addresses that can access the web administration service.
d. Click again to list additional IPaddresses or networks.
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To limit access to hosts connected through a specified interface on the IX20 device:
a. Click Interfaces.
b. For Add Interface, click .
c. For Interface, select the appropriate interface from the dropdown.
d. Click again to allow accessthrough additional interfaces.
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To limit access based on firewall zones:
a. Click Zones.
b. For Add Zone, click .
c. For Zone, select the appropriate firewall zonefrom the dropdown.
See Firewall configuration for information about firewall zones.
d. Click again to allow accessthrough additional firewall zones.
10. Repeat these steps to configure additional servers.
Configure clients
1. Click to expand Clients.
2. For Add Modbus client, typea name for the client and click .
The new Modbus gateway client configuration is displayed.
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