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Device Configuration

ORiNOCO® 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

Typ e

Filter

Interface

Entry Status

(Enable/Disable)

NETBIOS

Name Service

137 UDP Ethernet Enable

1 2 ... 77 78 79 80 81 82 83 84 85 86 87 ... 177 178

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