Extreme Networks Altitude 4700 Series Product Reference Manual page 190

Network Management
To filter packets against undesired data traffic:
1 Select Network Configuration > IP Filtering from the access point menu tree.
When the IP Filtering screen is initially displayed, there are no default filtering policies, and they
must be created.
NOTE
With IP Filtering, users can only define a destination port, not a source port.
2 Click the Add button to define the attributes of a new IP Filtering policy. The following policy (or
filtering rule) attributes require definition.
Filter name
Protocol
Port Start
Port End
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Create a name for the filter policy unique to its function in
order to differentiate it from others that may have
somewhat similar configurations.
Specify the protocol used for the filter policy. The options
are ALL, TCP, UDP, ICMP, PIM, GRE, RSVP, IDP, PUP,
EGP, IPIP, ESP, AH, IGMP, IPVG, COMPR_H and
RAW_IP.
Defines the socket number (or port) number representing
the beginning protocol port range either allowed or denied
permission to the target LAN1, LAN2 or WLAN.
Defines the socket number (or port) number representing
the ending protocol port range either allowed or denied
permission to the target LAN1, LAN2 or WLAN.
Altitude 4700 Series Access Point Product Reference Guide