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pushfilter(1M)


pushfilter -- load or unload a packet filter

Synopsis

pushfilter -d [-i interface] [-p protocol] [-I filter_tag] [-O filter_tag]
pushfilter -i interface -p protocol [-I filter_tag] [-O filter_tag]
pushfilter -i interface -p protocol -u in|out|both

Description

pushfilter loads or unloads a filter definition on an MDI network driver interface.

pushfilter understands the following options:


-d
Display the byte codes of the filters that are applied to an interface.

-I filter_tag
Specify a filter to be applied to the incoming stream of an interface.

-O filter_tag
Specify a filter to be applied to the outgoing stream of an interface.

-i interface
Specify the interface on which a filter will be loaded or from which it will be unloaded.

-p protocol
Specify the protocol to which a filter will be applied. At present, only the Internet Protocol version 4, IP, is supported.

-u in|out|both
Unload the incoming filter (in), outgoing filter (out), or both incoming and outgoing filters (both) from an interface.

Files


/etc/pf.d/IP/.saps
SAP types for which filters can be pushed

/etc/pf.d/IP/default
sample filters

/etc/pf.d/IP/interface
filters that are specific to a LAN interface

/etc/pf.d/IP/ppp
filters for PPP interfaces

Exit codes

pushfilter returns 0 on success. If an error occurs, it returns a non-zero value.

References

filter(4)
© 2004 The SCO Group, Inc. All rights reserved.
UnixWare 7 Release 7.1.4 - 25 April 2004