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.\"-
.\" Copyright (c) 1999 Dag-Erling Coïdan Smørgrav
.\" All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\" notice, this list of conditions and the following disclaimer
.\" in this position and unchanged.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in the
.\" documentation and/or other materials provided with the distribution.
.\" 3. The name of the author may not be used to endorse or promote products
.\" derived from this software without specific prior written permission.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
.\" $FreeBSD$
.\"
.Dd April 13, 1999
.Dt SOCKSTAT 1
.Sh NAME
.Nm sockstat
.Nd list open sockets
.Sh SYNOPSIS
.Nm
.Op Fl 46u
.Sh DESCRIPTION
The
.Nm
command lists open Internet or Unix domain sockets.
.Pp
The following options are available:
.Bl -tag -width Fl
.It Fl 4
Show AF_INET (IPv4) sockets.
.It Fl 6
Show AF_INET6 (IPv6) sockets.
.It Fl u
Show AF_LOCAL (Unix) sockets.
.El
.Pp
If no option is specified,
.Nm
will list sockets of all three types.
.Pp
The information listed for each
socket is:
.Bl -tag -width "FOREIGN ADDRESS"
.It Li USER
The user who owns the socket.
.It Li COMMAND
The command which holds the socket.
.It Li PID
The process ID of the command which holds the socket.
.It Li FD
The file descriptor number of the socket.
.It Li PROTO
The transport protocol associated with the socket for Internet
sockets, or the type of socket (stream or datagram) for Unix sockets.
.It Li ADDRESS
(Unix sockets only)
For listening sockets, this is the filename of the socket.
For other sockets, it is the name, PID and file descriptor number of
the peer, or "(none)" if the socket is neither bound nor connected.
.It Li LOCAL ADDRESS
(Internet sockets only)
The address the local end of the socket is bound to (see
.Xr getsockname 2 ).
.It Li FOREIGN ADDRESS
(Internet sockets only)
The address the foreign end of the socket is bound to (see
.Xr getpeername 2 ).
.El
.Sh SEE ALSO
.Xr fstat 1 ,
.Xr netstat 1 ,
.Xr inet 4 ,
.Xr inet6 4
.Sh HISTORY
The
.Nm
command appeared in
.Fx 3.1 .
.Sh AUTHORS
The
.Nm
command and this manual page were written by
.An Dag-Erling Smørgrav Aq des@freebsd.org .
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