1.\"- 2.\" Copyright (c) 1999 Dag-Erling Co�dan Sm�rgrav 3.\" All rights reserved. 4.\" 5.\" Redistribution and use in source and binary forms, with or without 6.\" modification, are permitted provided that the following conditions 7.\" are met: 8.\" 1. Redistributions of source code must retain the above copyright 9.\" notice, this list of conditions and the following disclaimer 10.\" in this position and unchanged. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 3. The name of the author may not be used to endorse or promote products 15.\" derived from this software without specific prior written permission. 16.\" 17.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27.\" 28.\" $FreeBSD$ 29.\" 30.Dd August 25, 2004 31.Dt SOCKSTAT 1 32.Os 33.Sh NAME 34.Nm sockstat 35.Nd list open sockets 36.Sh SYNOPSIS 37.Nm 38.Op Fl 46clu 39.Op Fl p Ar ports 40.Sh DESCRIPTION 41The 42.Nm 43command lists open Internet or 44.Ux 45domain sockets. 46.Pp 47The following options are available: 48.Bl -tag -width Fl 49.It Fl 4 50Show 51.Dv AF_INET 52(IPv4) sockets. 53.It Fl 6 54Show 55.Dv AF_INET6 56(IPv6) sockets. 57.It Fl c 58Show connected sockets. 59.It Fl l 60Show listening sockets. 61.It Fl p Ar ports 62Only show Internet sockets if either the local or foreign port number 63is on the specified list. 64The 65.Ar ports 66argument is a comma-separated list of port numbers and ranges 67specified as first and last port separated by a dash. 68.It Fl u 69Show 70.Dv AF_LOCAL 71.Pq Ux 72sockets. 73.El 74.Pp 75If neither 76.Fl 4 , 6 77or 78.Fl u 79is specified, 80.Nm 81will list sockets in all three domains. 82.Pp 83If neither 84.Fl c 85or 86.Fl l 87is specified, 88.Nm 89will list both listening and connected sockets. 90.Pp 91The information listed for each 92socket is: 93.Bl -tag -width "FOREIGN ADDRESS" 94.It Li USER 95The user who owns the socket. 96.It Li COMMAND 97The command which holds the socket. 98.It Li PID 99The process ID of the command which holds the socket. 100.It Li FD 101The file descriptor number of the socket. 102.It Li PROTO 103The transport protocol associated with the socket for Internet 104sockets, or the type of socket (stream or datagram) for 105.Ux 106sockets. 107.It Li LOCAL ADDRESS 108For Internet sockets, this is the address the local end of the socket 109is bound to (see 110.Xr getsockname 2 ) . 111For bound 112.Ux 113sockets, it is the socket's filename. 114For other 115.Ux 116sockets, it is a right arrow followed by the endpoint's filename, or 117.Dq Li ?? 118if the endpoint could not be determined. 119.It Li FOREIGN ADDRESS 120(Internet sockets only) 121The address the foreign end of the socket is bound to (see 122.Xr getpeername 2 ) . 123.El 124.Pp 125Note that TCP sockets in the 126.Dv AF_INET 127or 128.Dv AF_INET6 129domains that are not in one of the 130.Dv LISTEN , SYN_SENT , 131or 132.Dv ESTABLISHED 133states may not be shown by 134.Nm ; 135use 136.Xr netstat 1 137to examine them instead. 138.Sh SEE ALSO 139.Xr fstat 1 , 140.Xr netstat 1 , 141.Xr inet 4 , 142.Xr inet6 4 143.Sh HISTORY 144The 145.Nm 146command appeared in 147.Fx 3.1 . 148.Sh AUTHORS 149The 150.Nm 151command and this manual page were written by 152.An Dag-Erling Sm\(/orgrav Aq des@FreeBSD.org . 153