| bpf.9 (139592) | bpf.9 (140140) |
|---|---|
| 1.\" Copyright (c) 2004 FreeBSD Inc. 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. --- 8 unchanged lines hidden (view full) --- 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" | 1.\" Copyright (c) 2004 FreeBSD Inc. 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. --- 8 unchanged lines hidden (view full) --- 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" |
| 25.\" $FreeBSD: head/share/man/man9/bpf.9 139592 2005-01-02 18:20:29Z krion $ | 25.\" $FreeBSD: head/share/man/man9/bpf.9 140140 2005-01-12 21:48:25Z ru $ |
| 26.\" 27.Dd May 19, 2004 28.Dt BPF 9 29.Os 30.\" 31.Sh NAME 32.Nm bpf 33.Nd "Berkeley Packet Filter" --- 158 unchanged lines hidden (view full) --- 192if there is no filter. 193Otherwise, it returns the result of the filter program. 194.Pp 195.Fn bpf_validate 196returns 0 when the program is not a valid filter program. 197.\" 198.Sh SEE ALSO 199.Xr tcpdump 1 , | 26.\" 27.Dd May 19, 2004 28.Dt BPF 9 29.Os 30.\" 31.Sh NAME 32.Nm bpf 33.Nd "Berkeley Packet Filter" --- 158 unchanged lines hidden (view full) --- 192if there is no filter. 193Otherwise, it returns the result of the filter program. 194.Pp 195.Fn bpf_validate 196returns 0 when the program is not a valid filter program. 197.\" 198.Sh SEE ALSO 199.Xr tcpdump 1 , |
| 200.Xr bpf 4 . | 200.Xr bpf 4 |
| 201.\" 202.Sh HISTORY 203The Enet packet filter was created in 1980 by Mike Accetta and 204Rick Rashid at Carnegie-Mellon University. 205Jeffrey Mogul, 206at Stanford, 207ported the code to 208.Bx --- 20 unchanged lines hidden --- | 201.\" 202.Sh HISTORY 203The Enet packet filter was created in 1980 by Mike Accetta and 204Rick Rashid at Carnegie-Mellon University. 205Jeffrey Mogul, 206at Stanford, 207ported the code to 208.Bx --- 20 unchanged lines hidden --- |