1afe61c15SRodney W. Grimes.\" Copyright (c) 1983, 1991, 1993 2afe61c15SRodney W. Grimes.\" The Regents of the University of California. All rights reserved. 3afe61c15SRodney W. Grimes.\" 4afe61c15SRodney W. Grimes.\" Redistribution and use in source and binary forms, with or without 5afe61c15SRodney W. Grimes.\" modification, are permitted provided that the following conditions 6afe61c15SRodney W. Grimes.\" are met: 7afe61c15SRodney W. Grimes.\" 1. Redistributions of source code must retain the above copyright 8afe61c15SRodney W. Grimes.\" notice, this list of conditions and the following disclaimer. 9afe61c15SRodney W. Grimes.\" 2. Redistributions in binary form must reproduce the above copyright 10afe61c15SRodney W. Grimes.\" notice, this list of conditions and the following disclaimer in the 11afe61c15SRodney W. Grimes.\" documentation and/or other materials provided with the distribution. 12dda5b397SEitan Adler.\" 3. Neither the name of the University nor the names of its contributors 13afe61c15SRodney W. Grimes.\" may be used to endorse or promote products derived from this software 14afe61c15SRodney W. Grimes.\" without specific prior written permission. 15afe61c15SRodney W. Grimes.\" 16afe61c15SRodney W. Grimes.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 17afe61c15SRodney W. Grimes.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18afe61c15SRodney W. Grimes.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19afe61c15SRodney W. Grimes.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 20afe61c15SRodney W. Grimes.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21afe61c15SRodney W. Grimes.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22afe61c15SRodney W. Grimes.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23afe61c15SRodney W. Grimes.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24afe61c15SRodney W. Grimes.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25afe61c15SRodney W. Grimes.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26afe61c15SRodney W. Grimes.\" SUCH DAMAGE. 27afe61c15SRodney W. Grimes.\" 28afe61c15SRodney W. Grimes.\" @(#)hosts.5 8.2 (Berkeley) 12/11/93 297f3dea24SPeter Wemm.\" $FreeBSD$ 30afe61c15SRodney W. Grimes.\" 3154c22eeaSSergey Kandaurov.Dd December 25, 2013 32afe61c15SRodney W. Grimes.Dt HOSTS 5 333d45e180SRuslan Ermilov.Os 34afe61c15SRodney W. Grimes.Sh NAME 35afe61c15SRodney W. Grimes.Nm hosts 36afe61c15SRodney W. Grimes.Nd host name data base 37afe61c15SRodney W. Grimes.Sh DESCRIPTION 38afe61c15SRodney W. GrimesThe 394b66483fSRuslan Ermilov.Nm 40afe61c15SRodney W. Grimesfile contains information regarding 41afe61c15SRodney W. Grimesthe known hosts on the network. 42248aee62SJacques VidrineIt can be used in conjunction with DNS, and the NIS 43248aee62SJacques Vidrinemaps `hosts.byaddr' and `hosts.byname', as controlled by 44248aee62SJacques Vidrine.Xr nsswitch.conf 5 . 45afe61c15SRodney W. GrimesFor each host a single line should be present 46afe61c15SRodney W. Grimeswith the following information: 47afe61c15SRodney W. Grimes.Bd -unfilled -offset indent 48afe61c15SRodney W. GrimesInternet address 497b3eb001SNate Williamsofficial host name 50afe61c15SRodney W. Grimesaliases 51afe61c15SRodney W. Grimes.Ed 52afe61c15SRodney W. Grimes.Pp 53afe61c15SRodney W. GrimesItems are separated by any number of blanks and/or 545203edcdSRuslan Ermilovtab characters. 555203edcdSRuslan ErmilovA ``#'' indicates the beginning of 56afe61c15SRodney W. Grimesa comment; characters up to the end of the line are 57afe61c15SRodney W. Grimesnot interpreted by routines which search the file. 58afe61c15SRodney W. Grimes.Pp 5954c22eeaSSergey KandaurovThis file provides a backup used when the name server 60afe61c15SRodney W. Grimesis not running. 61afe61c15SRodney W. GrimesFor the name server, it is suggested that only a few addresses 62afe61c15SRodney W. Grimesbe included in this file. 634043c58eSTim VanderhoekThese include addresses for the local interfaces that 64afe61c15SRodney W. Grimes.Xr ifconfig 8 65afe61c15SRodney W. Grimesneeds at boot time and a few machines on the local network. 66afe61c15SRodney W. Grimes.Pp 67afe61c15SRodney W. GrimesNetwork addresses are specified in the conventional 68afe61c15SRodney W. Grimes``.'' (dot) notation using the 69afe61c15SRodney W. Grimes.Xr inet_addr 3 70afe61c15SRodney W. Grimesroutine 71afe61c15SRodney W. Grimesfrom the Internet address manipulation library, 72afe61c15SRodney W. Grimes.Xr inet 3 . 73afe61c15SRodney W. GrimesHost names may contain any printable 74afe61c15SRodney W. Grimescharacter other than a field delimiter, newline, 75afe61c15SRodney W. Grimesor comment character. 76afe61c15SRodney W. Grimes.Sh FILES 77afe61c15SRodney W. Grimes.Bl -tag -width /etc/hosts -compact 78afe61c15SRodney W. Grimes.It Pa /etc/hosts 79afe61c15SRodney W. GrimesThe 804b66483fSRuslan Ermilov.Nm 81afe61c15SRodney W. Grimesfile resides in 82afe61c15SRodney W. Grimes.Pa /etc . 83afe61c15SRodney W. Grimes.El 84afe61c15SRodney W. Grimes.Sh SEE ALSO 85afe61c15SRodney W. Grimes.Xr gethostbyname 3 , 86248aee62SJacques Vidrine.Xr nsswitch.conf 5 , 8754c22eeaSSergey Kandaurov.Xr ifconfig 8 88afe61c15SRodney W. Grimes.Rs 89afe61c15SRodney W. Grimes.%T "Name Server Operations Guide for BIND" 90afe61c15SRodney W. Grimes.Re 91afe61c15SRodney W. Grimes.Sh HISTORY 92afe61c15SRodney W. GrimesThe 93afe61c15SRodney W. Grimes.Nm 94afe61c15SRodney W. Grimesfile format appeared in 95*c22076b5SWarner Losh.Bx 4.1c . 96