2 .\" Copyright (c) 1999 Dag-Erling Coïdan Smørgrav
3 .\" All rights reserved.
5 .\" Redistribution and use in source and binary forms, with or without
6 .\" modification, are permitted provided that the following conditions
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.
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.
44 command lists open Internet or
48 The following options are available:
59 Show connected sockets.
61 Only show Internet sockets if the local or foreign addresses are not
62 in the loopback network prefix
64 or do not contain the IPv6 loopback address
67 Show listening sockets.
69 Only show Internet sockets if either the local or foreign port number
70 is on the specified list.
73 argument is a comma-separated list of port numbers and ranges
74 specified as first and last port separated by a dash.
76 Only show sockets of the specified
80 argument is a comma-separated list of protocol names,
81 as they are defined in
96 will list sockets in all three domains.
104 will list both listening and connected sockets.
106 The information listed for each
108 .Bl -tag -width "FOREIGN ADDRESS"
110 The user who owns the socket.
112 The command which holds the socket.
114 The process ID of the command which holds the socket.
116 The file descriptor number of the socket.
118 The transport protocol associated with the socket for Internet
119 sockets, or the type of socket (stream or datagram) for
123 For Internet sockets, this is the address the local end of the socket
125 .Xr getsockname 2 ) .
128 sockets, it is the socket's filename.
131 sockets, it is a right arrow followed by the endpoint's filename, or
133 if the endpoint could not be determined.
134 .It Li FOREIGN ADDRESS
135 (Internet sockets only)
136 The address the foreign end of the socket is bound to (see
137 .Xr getpeername 2 ) .
140 Note that TCP sockets in the
144 domains that are not in one of the
145 .Dv LISTEN , SYN_SENT ,
148 states may not be shown by
152 to examine them instead.
167 command and this manual page were written by
168 .An Dag-Erling Sm\(/orgrav Aq des@FreeBSD.org .