load or unload a packet filter
pushfilter loads or unloads a filter definition on an
MDI network driver interface.
pushfilter understands the following options:
Display the byte codes of the filters that are applied to an interface.
Specify a filter to be applied to the incoming stream of an interface.
Specify a filter to be applied to the outgoing stream of an interface.
Specify the interface on which a filter will be loaded or from which it
will be unloaded.
Specify the protocol to which a filter will be applied. At present, only
the Internet Protocol version 4, IP, is supported.
Unload the incoming filter (in), outgoing filter (out),
or both incoming and outgoing filters (both) from an interface.
SAP types for which filters can be pushed
filters that are specific to a LAN interface
filters for PPP interfaces
pushfilter returns 0 on success. If an error occurs, it returns a
© 2004 The SCO Group, Inc. All rights reserved.
UnixWare 7 Release 7.1.4 - 25 April 2004