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[ENG] 3.5. [DKSF 48.4 IU] How to Restrict Access to a Device?
To restrict an access to a device via HTTP and SNMP protocols, there is a need to go to the page «
» of a device web interface:
SETUP
In the section «
», it is possible to configure:
Access Restrictions
IP Filter is a field that determines an IP address or a subnetwork, from which it is allowed to configure and browse parameters of a device via HTTP,
SNMP protocols. A subnet mask indicated in the field «
» is applied to the address indicated in the field
. As a result, there
IP Filter Netmask
«IP Filter»
is a subnetwork, from which it is allowed to manage a device. To allow access for an IP address, there is a need to indicate a mask
in
255.255.255.255
the field «
».
IP Filter Netmask
: 0.0.0.0
On default
IP Filter Netmask is a field to set or change the subnet mask filter to access a device. The value
means that the access filter is disabled.
0.0.0.0
On default
: 0.0.0.0
After setting all necessary parameters, click the button «
».
Apply changes
When access filter parameters are set, a device will not respond to an ICMP request (ping).