Protocol-list
This list permits data packets to be blocked or released according to the protocol used (the type of action depends on the setting of the positive/negative switch).
Each Ethernet frame contains a 16-bit identifier for its layer-3 protocol. These can be entered in the list as hexadecimal numbers.
The hexadecimal identifiers for the most important layer-3 protocols as per RFC 1010:
Note: Again, this only denies stations access to the LAN or WAN; data communications between stations in the WLAN is unaffected.
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