D-Link xStack Reference Manual page 348

®
xStack DGS-3620 Series Layer 3 Managed Stackable Gigabit Switch Web UI Reference Guide
NOTE: Address Resolution Protocol (ARP) is the standard for finding a host's hardware address (MAC
address). However, ARP is vulnerable as it can be easily spoofed and utilized to attack a LAN
(i.e. an ARP spoofing attack). For a more detailed explanation on how ARP protocol works and
how to employ D-Link's unique Packet Content ACL to prevent ARP spoofing attack, please
see Appendix E at the end of this manual.
After clicking the Add/View Rules button, the following page will appear:
Click the <<Back button to return to the previous page.
Click the Add Rule button to create a new ACL rule in this profile.
Click the Show Details button to view more information about the specific rule created.
Click the Delete Rules button to remove the specific entry.
Enter a page number and click the Go button to navigate to a specific page when multiple pages exist.
After clicking the Add Rule button, the following page will appear:
The fields that can be configured are described below:
Figure 8-20 Access Rule List (Packet Content ACL) window
Figure 8-21 Add Access Rule (Packet Content ACL) window
347