ORiNOCO
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802.11n Access Points - Software Management Guide 82
Figure 5-42 Advanced Filters - Edit Entries
Modify the Direction and Status of the desired IP Protocol. Click OK and COMMIT, to save the configured parameters.
5.8.4 TCP/UDP Port Filters
Port-based filtering enables you to control wireless user access to network services by selectively blocking TCP/UDP protocols
through the device. A user specifies a Protocol Name, Port Number, Port Type (TCP, UDP, or TCP/UDP), and filtering interfaces
(Only Wireless, Only Ethernet or Both) in order to block access to services such as Telnet and FTP, and traffic such as NETBIOS
and HTTP.
For example, a device with the following configuration would discard frames received on its ethernet interface with a UDP
destination port number of 137, effectively blocking NETBIOS Name Service packets.
Navigate to CONFIGURATION > Filters > TCP/UDP Port Filters. The TCP / UDP Port Filters screen appears.
Protocol
Name
Port
Number
Port
Type
Filter
Interface
Entry Status
(Enable/Disable)
NETBIOS
Name Service
137 UDP Ethernet Enable
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