5 Configuration D-Link Web Smart Switch User Manual
Security > Trusted Host
Use Trusted Host function to manage the switch from a remote station. You can enter up to ten designated
management stations networks by defining the IP address/Subnet Mask as seen in the figure below.
Figure 79 Security > Trusted Host
To define a management station IP setting, click the Add Host button and type in the IP address and Subnet
mask. Click the Apply button to save your settings. You may permit only single or a range of IP addresses
by different IP mask settings, the format can either be 192.168.1.1/255.255.255.0 or 192.168.0.1/24. Please
see the example below for permitting the IP range
IP Address Subnet Mask Permitted IP
192.168.0.1 255.255.255.0 192.168.0.1~192.168.0.255
172.17.5.215 255.0.0.0 172.0.0.1~172.255.255.255
To delete the IP address, simply click the Delete button. Check the unwanted address, and then click Apply.
Security > Safeguard Engine
D-Link’s Safeguard Engine is a robust and innovative technology that automatically throttles the impact of
packet flooding into the switch's CPU. This function helps protect the Web-Smart Switch from being
interrupted by malicious viruses or worm attacks. This option is enabled by default.
Figure 80 – Security > Safeguard Engine
Security > Port Security
Port Security is a security feature that prevents unauthorized computers (with source MAC addresses)
unknown to the Switch prior to stopping auto-learning processing from gaining access to the network.
A given ports’ (or a range of ports') dynamic MAC address learning can be stopped such that the current
source MAC addresses entered into the MAC address forwarding table can not be changed once the port
lock is enabled. Using the drop-down menu, change Admin State to Enabled, and then click Apply to
confirm the setting.
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