| pfil.9 (240573) | pfil.9 (241245) |
|---|---|
| 1.\" $NetBSD: pfil.9,v 1.22 2003/07/01 13:04:06 wiz Exp $ 2.\" 3.\" Copyright (c) 1996 Matthew R. Green 4.\" All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: --- 12 unchanged lines hidden (view full) --- 21.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 22.\" BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 23.\" LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 24.\" AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 25.\" OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27.\" SUCH DAMAGE. 28.\" | 1.\" $NetBSD: pfil.9,v 1.22 2003/07/01 13:04:06 wiz Exp $ 2.\" 3.\" Copyright (c) 1996 Matthew R. Green 4.\" All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: --- 12 unchanged lines hidden (view full) --- 21.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 22.\" BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 23.\" LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 24.\" AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 25.\" OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27.\" SUCH DAMAGE. 28.\" |
| 29.\" $FreeBSD: head/share/man/man9/pfil.9 240573 2012-09-16 21:17:28Z joel $ | 29.\" $FreeBSD: head/share/man/man9/pfil.9 241245 2012-10-06 10:02:11Z glebius $ |
| 30.\" | 30.\" |
| 31.Dd September 16, 2012 | 31.Dd October 6, 2012 |
| 32.Dt PFIL 9 33.Os 34.Sh NAME 35.Nm pfil , 36.Nm pfil_head_register , 37.Nm pfil_head_unregister , 38.Nm pfil_head_get , 39.Nm pfil_hook_get , --- 82 unchanged lines hidden (view full) --- 122if the processing is to continue. 123If the packet processing is to stop, it is the responsibility of the 124filter to free the packet. 125.Sh FILTERING POINTS 126Currently, filtering points are implemented for the following link types: 127.Pp 128.Bl -tag -width "AF_INET6" -offset XXX -compact 129.It AF_INET | 32.Dt PFIL 9 33.Os 34.Sh NAME 35.Nm pfil , 36.Nm pfil_head_register , 37.Nm pfil_head_unregister , 38.Nm pfil_head_get , 39.Nm pfil_hook_get , --- 82 unchanged lines hidden (view full) --- 122if the processing is to continue. 123If the packet processing is to stop, it is the responsibility of the 124filter to free the packet. 125.Sh FILTERING POINTS 126Currently, filtering points are implemented for the following link types: 127.Pp 128.Bl -tag -width "AF_INET6" -offset XXX -compact 129.It AF_INET |
| 130IPv4 packets. |
|
| 130.It AF_INET6 | 131.It AF_INET6 |
| 131IPv4 and IPv6 packets. Note that packet header is already 132.Cm converted to host format. 133Host format has to be preserved in case of header modifications. | 132IPv6 packets. |
| 134.It AF_LINK 135Link-layer packets. 136.El 137.Sh RETURN VALUES 138If successful, 139.Fn pfil_head_get 140returns the 141.Vt pfil_head --- 70 unchanged lines hidden --- | 133.It AF_LINK 134Link-layer packets. 135.El 136.Sh RETURN VALUES 137If successful, 138.Fn pfil_head_get 139returns the 140.Vt pfil_head --- 70 unchanged lines hidden --- |