With IPHost Network Monitor you can run simple snmp requests against a D-Link device in your network.
allowedServiceType
allowed Service Type
1.3.6.1.4.1.3646.1300.2.1.24.2.1.4
Contains indicates whether access mode is enabled or disabled. This is a bit-map of possible settings.
Back to ASKEY-SYSTEM-MIB MIB page.
IPHost Network monitor allows you to monitor allowedServiceType on D-Link device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring D-Link routers right now.