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.\" $OpenBSD: httpd.conf.5,v 1.1 2014/07/12 23:34:54 reyk Exp $
.\"
.\" Copyright (c) 2014 Reyk Floeter <reyk@openbsd.org>
.\"
.\" Permission to use, copy, modify, and distribute this software for any
.\" purpose with or without fee is hereby granted, provided that the above
.\" copyright notice and this permission notice appear in all copies.
.\"
.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
.\"
.Dd $Mdocdate: July 12 2014 $
.Dt HTTPD.CONF 5
.Os
.Sh NAME
.Nm httpd.conf
.Nd HTTP daemon configuration file
.Sh DESCRIPTION
.Nm
is the configuration file for the HTTP daemon,
.Xr httpd 8 .
.Sh SECTIONS
.Nm
is divided into four main sections:
.Bl -tag -width xxxx
.It Sy Macros
User-defined variables may be defined and used later, simplifying the
configuration file.
.It Sy Global Configuration
Global settings for
.Xr httpd 8 .
.It Sy Servers
Listening HTTP web servers.
.It Sy Types
Media types and extensions.
.El
.Pp
Within the sections,
a host
.Ar address
can be specified by IPv4 address, IPv6 address, interface name,
interface group, or DNS hostname.
If the address is an interface name,
.Xr httpd 8
will look up the first IPv4 address and any other IPv4 and IPv6
addresses of the specified network interface.
A
.Ar port
can be specified by number or name.
The port name to number mappings are found in the file
.Pa /etc/services ;
see
.Xr services 5
for details.
.Pp
The current line can be extended over multiple lines using a backslash
.Pq Sq \e .
Comments can be put anywhere in the file using a hash mark
.Pq Sq # ,
and extend to the end of the current line.
Care should be taken when commenting out multi-line text:
the comment is effective until the end of the entire block.
.Pp
Argument names not beginning with a letter, digit, or underscore
must be quoted.
.Pp
Additional configuration files can be included with the
.Ic include
keyword, for example:
.Bd -literal -offset indent
include "/etc/httpd.conf.local"
.Ed
.Sh MACROS
Macros can be defined that will later be expanded in context.
Macro names must start with a letter, digit, or underscore,
and may contain any of those characters.
Macro names may not be reserved words (for example,
.Ic table ,
.Ic relay ,
or
.Ic timeout ) .
Macros are not expanded inside quotes.
.Pp
For example:
.Bd -literal -offset indent
ext_ip="10.0.0.1"
server \*(Ltwww\*(Gt {
listen on $ext_ip port 80
}
.Ed
.Sh GLOBAL CONFIGURATION
Here are the settings that can be set globally:
.Bl -tag -width Ds
.It Xo
.Ic log
.Pq Ic updates Ns | Ns Ic all
.Xc
Set logging verbosity.
.It Ic prefork Ar number
Run the specified number of server processes.
This increases the performance and prevents delays when connecting
to a server.
.Xr httpd 8
runs 3 server processes by default.
.El
.Sh SERVERS
The configured web servers.
.Pp
The following general table options are available:
.Bl -tag -width Ds
.It Ic listen on Ar address Ic port Ar number
Set the listen address and port.
.El
.Sh TYPES
Configure the supported media types.
.Nm httpd
will set the
.Ar Content-Type
of the response header based on the file extension that is listed in the
.Ic types
section.
If not specified,
.Nm httpd
will use built-in media types for
.Ar text/css ,
.Ar text/html ,
.Ar text/plain ,
.Ar image/gif ,
.Ar image/png ,
.Ar image/jpeg ,
and
.Ar application/javascript .
.Pp
The
.Ic types
section must include one or more lines of the following syntax:
.Bl -tag -width Ds
.It Ar type/subtype Ar name Oo Ar name ... Oc Ic ;
Set the media
.Ar type
and
.Ar subtype
to the specified extension
.Ar name .
One or more names can be specified per line.
.El
.Sh EAMPLES
The following example will start two pre-forked servers that are
listening on the primary IP address of the network interface that is a
member of the
.Ar egress
group.
It additionally defines some media types overriding the defaults.
.Bd -literal -offset indent
prefork 2
server "default" {
listen on egress port 80
}
types {
text/css css;
text/html html html;
text/txt txt;
image/gif gif;
image/jpeg jpg jpeg;
image/png png;
application/javascript js;
application/xml xml;
}
.Ed
.Pp
The syntax of the types section is compatible to the format that is used by
.Xr nginx 8 ,
so you can optionally include its
.Pa mime.types
file directly:
.Bd -literal -offset indent
include "/etc/nginx/mime.types"
.Ed
.Sh SEE ALSO
.Xr httpd 8 .
.Sh AUTHORS
.An -nosplit
The
.Xr httpd 8
program was written by
.An Reyk Floeter Aq Mt reyk@openbsd.org .
|
