USRobotics NETServer/8 - Manual (Page 179)

Command Reference 10-29
Input Filter
This filter controls packets coming into the NETServer through
the LAN interface. Use the following command:
set net0 ifilter <filter name>
Packet filters control access to computers, networks, and net-
work services by using a set of rules to analyze the header
information of each packet of data received. If the packet meets
the filter’s criteria, it is allowed to pass through. Otherwise, the
packet is discarded. See Chapter 8 for instructions on creating
packet filters.
Output Filter
This filter controls packets going out of the LAN interface. Use
the following command:
set net0 ofilter <filter name>
Packet filters control access to computers, networks, and net-
work services by analyzing the header information of each
packet of data sent against a set of rules. If the packet meets the
filter’s criteria, it is allowed to pass through. Otherwise, the
packet is discarded. See Chapter 8 for instructions on creating
packet filters.