Configuring with Web Based Management 
  6.9 "Security" menu 
SCALANCE W780/W740 to IEEE 802.11n Web Based Management 
Configuration Manual, 08/2018, C79000-G8976-C267-13 
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Enter the IP address or the network address to which the rule will apply. 
–  If you use the IPv4 address 0.0.0.0, the settings apply to all IPv4 addresses. 
–  If you use the IPv6 address :: the settings apply to all IPv6 addresses. 
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Subnet Mask / Prefix Length
 
Enter the subnet mask or the prefix length. 
The subnet mask 255.255.255.255 is for a specific IPv4 address. If you want to allow a 
subnet, for example a C subnet, enter 255.255.255.0. The subnet mask 0.0.0.0 applies to 
all subnets. 
The table has the following columns: 
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Select the check box in the row to be deleted. 
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Shows the number of the rule. If you click the "Create" button, a new row with a unique 
number is created. 
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Shows the IP address. 
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Subnet Mask / Prefix Length
 
Shows the subnet mask or the prefix length. 
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Only available if 802.1Q VLAN Bridge is set for "Layer 2 > VLAN > General". 
Enter the number of the VLAN in which the device is located. The station can only access 
the device if it is located in this configured VLAN. If this input box remains empty, there is 
no restriction relating to the VLANs. 
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Specify whether the station (or the IP address) accesses the device using the SNMP 
protocol. 
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Specify whether the station (or the IP address) accesses the device using the TELNET 
protocol. 
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Specify whether the station (or the IP address) accesses the device using the HTTP 
protocol. 
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Specify whether the station (or the IP address) accesses the device using the HTTPS 
protocol. 
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Specify whether the station (or the IP address) accesses the device using the SSH 
protocol. 
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Specify whether the station (or the IP address) accesses the device via this port.