f03482d48e
address is loopback. So it is shown if both are not loopback. The man page says that it is shown if the local or foreign address is not loopback. Change the man page to reflect the code. MFC after: 3 days
164 lines
4.2 KiB
Groff
164 lines
4.2 KiB
Groff
.\"-
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.\" Copyright (c) 1999 Dag-Erling Coïdan Smørgrav
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer
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.\" in this position and unchanged.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. The name of the author may not be used to endorse or promote products
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.\" derived from this software without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd June 13, 2015
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.Dt SOCKSTAT 1
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.Os
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.Sh NAME
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.Nm sockstat
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.Nd list open sockets
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.Sh SYNOPSIS
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.Nm
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.Op Fl 46cLlu
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.Op Fl j Ar jid
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.Op Fl p Ar ports
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.Op Fl P Ar protocols
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.Sh DESCRIPTION
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The
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.Nm
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command lists open Internet or
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.Ux
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domain sockets.
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.Pp
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The following options are available:
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.Bl -tag -width Fl
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.It Fl 4
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Show
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.Dv AF_INET
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(IPv4) sockets.
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.It Fl 6
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Show
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.Dv AF_INET6
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(IPv6) sockets.
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.It Fl c
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Show connected sockets.
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.It Fl j Ar jid
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Show only sockets belonging to the specified jail ID.
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.It Fl L
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Only show Internet sockets if the local and foreign addresses are not
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in the loopback network prefix
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.Li 127.0.0.0/8 ,
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or do not contain the IPv6 loopback address
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.Li ::1 .
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.It Fl l
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Show listening sockets.
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.It Fl p Ar ports
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Only show Internet sockets if the local or foreign port number
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is on the specified list.
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The
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.Ar ports
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argument is a comma-separated list of port numbers and ranges
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specified as first and last port separated by a dash.
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.It Fl P Ar protocols
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Only show sockets of the specified
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.Ar protocols .
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The
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.Ar protocols
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argument is a comma-separated list of protocol names,
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as they are defined in
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.Xr protocols 5 .
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.It Fl u
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Show
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.Dv AF_LOCAL
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.Pq Ux
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sockets.
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.El
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.Pp
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If neither
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.Fl 4 , 6
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or
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.Fl u
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is specified,
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.Nm
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will list sockets in all three domains.
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.Pp
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If neither
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.Fl c
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or
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.Fl l
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is specified,
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.Nm
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will list both listening and connected sockets.
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.Pp
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The information listed for each
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socket is:
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.Bl -tag -width "FOREIGN ADDRESS"
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.It Li USER
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The user who owns the socket.
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.It Li COMMAND
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The command which holds the socket.
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.It Li PID
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The process ID of the command which holds the socket.
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.It Li FD
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The file descriptor number of the socket.
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.It Li PROTO
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The transport protocol associated with the socket for Internet
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sockets, or the type of socket (stream or datagram) for
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.Ux
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sockets.
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.It Li LOCAL ADDRESS
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For Internet sockets, this is the address the local end of the socket
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is bound to (see
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.Xr getsockname 2 ) .
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For bound
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.Ux
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sockets, it is the socket's filename.
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For other
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.Ux
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sockets, it is a right arrow followed by the endpoint's filename, or
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.Dq Li ??
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if the endpoint could not be determined.
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.It Li FOREIGN ADDRESS
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(Internet sockets only)
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The address the foreign end of the socket is bound to (see
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.Xr getpeername 2 ) .
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.El
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.Pp
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If a socket is associated with more than one file descriptor,
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it is shown multiple times.
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If a socket is not associated with any file descriptor,
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the first four columns have no meaning.
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.Sh SEE ALSO
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.Xr fstat 1 ,
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.Xr netstat 1 ,
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.Xr procstat 1 ,
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.Xr inet 4 ,
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.Xr inet6 4 ,
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.Xr protocols 5
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.Sh HISTORY
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The
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.Nm
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command appeared in
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.Fx 3.1 .
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.Sh AUTHORS
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The
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.Nm
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command and this manual page were written by
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.An Dag-Erling Sm\(/orgrav Aq Mt des@FreeBSD.org .
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