lo.4 (e40f3f85d445479be03457351cca3239dff1a2d6) lo.4 (0b992c1d66e8d7e1fe2a8ac92d06e15f208f6c80)
1.\" Copyright (c) 1983, 1991, 1993
2.\" The Regents of the University of California. 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.

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25.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30.\" SUCH DAMAGE.
31.\"
32.\" @(#)lo.4 8.1 (Berkeley) 6/5/93
1.\" Copyright (c) 1983, 1991, 1993
2.\" The Regents of the University of California. 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.

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25.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30.\" SUCH DAMAGE.
31.\"
32.\" @(#)lo.4 8.1 (Berkeley) 6/5/93
33.\" $Id$
33.\"
34.Dd June 5, 1993
35.Dt LO 4
36.Os BSD 4.2
37.Sh NAME
38.Nm lo
39.Nd software loopback network interface
40.Sh SYNOPSIS

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61.Sh DIAGNOSTICS
62.Bl -diag
63.It lo%d: can't handle af%d.
64The interface was handed
65a message with addresses formatted in an unsuitable address
66family; the packet was dropped.
67.El
68.Sh SEE ALSO
34.\"
35.Dd June 5, 1993
36.Dt LO 4
37.Os BSD 4.2
38.Sh NAME
39.Nm lo
40.Nd software loopback network interface
41.Sh SYNOPSIS

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62.Sh DIAGNOSTICS
63.Bl -diag
64.It lo%d: can't handle af%d.
65The interface was handed
66a message with addresses formatted in an unsuitable address
67family; the packet was dropped.
68.El
69.Sh SEE ALSO
69.Xr intro 4 ,
70.Xr inet 4
70.Xr inet 4 ,
71.Xr intro 4
71.\" .Xr ns 4
72.Sh HISTORY
73The
74.Nm
75device appeared in
76.Bx 4.2 .
77.Sh BUGS
78Previous versions of the system enabled the loopback interface
79automatically, using a nonstandard Internet address (127.1).
80Use of that address is now discouraged; a reserved host address
81for the local network should be used instead.
72.\" .Xr ns 4
73.Sh HISTORY
74The
75.Nm
76device appeared in
77.Bx 4.2 .
78.Sh BUGS
79Previous versions of the system enabled the loopback interface
80automatically, using a nonstandard Internet address (127.1).
81Use of that address is now discouraged; a reserved host address
82for the local network should be used instead.