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.TH "NGHTTPD" "1" "Oct 21, 2024" "1.64.0" "nghttp2"
.SH NAME
nghttpd \- HTTP/2 server
.SH SYNOPSIS
.sp
\fBnghttpd\fP [OPTION]... <PORT> [<PRIVATE_KEY> <CERT>]
.SH DESCRIPTION
.sp
HTTP/2 server
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.TP
.B <PORT>
Specify listening port number.
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.TP
.B <PRIVATE_KEY>
Set path to server\(aqs private key. Required unless
\fI\%\-\-no\-tls\fP is specified.
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.TP
.B <CERT>
Set path to server\(aqs certificate. Required unless
\fI\%\-\-no\-tls\fP is specified.
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.SH OPTIONS
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.TP
.B \-a, \-\-address=<ADDR>
The address to bind to. If not specified the default IP
address determined by getaddrinfo is used.
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.B \-D, \-\-daemon
Run in a background. If \fI\%\-D\fP is used, the current working
directory is changed to \(aq\fI/\fP\(aq. Therefore if this option
is used, \fI\%\-d\fP option must be specified.
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.TP
.B \-V, \-\-verify\-client
The server sends a client certificate request. If the
client did not return a certificate, the handshake is
terminated. Currently, this option just requests a
client certificate and does not verify it.
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.TP
.B \-d, \-\-htdocs=<PATH>
Specify document root. If this option is not specified,
the document root is the current working directory.
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.B \-v, \-\-verbose
Print debug information such as reception/ transmission
of frames and name/value pairs.
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.TP
.B \-\-no\-tls
Disable SSL/TLS.
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.TP
.B \-c, \-\-header\-table\-size=<SIZE>
Specify decoder header table size.
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.B \-\-encoder\-header\-table\-size=<SIZE>
Specify encoder header table size. The decoder (client)
specifies the maximum dynamic table size it accepts.
Then the negotiated dynamic table size is the minimum of
this option value and the value which client specified.
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.B \-\-color
Force colored log output.
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.B \-p, \-\-push=<PATH>=<PUSH_PATH,...>
Push resources <PUSH_PATH>s when <PATH> is requested.
This option can be used repeatedly to specify multiple
push configurations. <PATH> and <PUSH_PATH>s are
relative to document root. See \fI\%\-\-htdocs\fP option.
Example: \fI\%\-p\fP/=/foo.png \fI\%\-p\fP/doc=/bar.css
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.B \-b, \-\-padding=<N>
Add at most <N> bytes to a frame payload as padding.
Specify 0 to disable padding.
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.B \-m, \-\-max\-concurrent\-streams=<N>
Set the maximum number of the concurrent streams in one
HTTP/2 session.
.sp
Default: \fB100\fP
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.B \-n, \-\-workers=<N>
Set the number of worker threads.
.sp
Default: \fB1\fP
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.B \-e, \-\-error\-gzip
Make error response gzipped.
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.B \-w, \-\-window\-bits=<N>
Sets the stream level initial window size to 2**<N>\-1.
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.B \-W, \-\-connection\-window\-bits=<N>
Sets the connection level initial window size to
2**<N>\-1.
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.B \-\-dh\-param\-file=<PATH>
Path to file that contains DH parameters in PEM format.
Without this option, DHE cipher suites are not
available.
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.B \-\-early\-response
Start sending response when request HEADERS is received,
rather than complete request is received.
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.B \-\-trailer=<HEADER>
Add a trailer header to a response. <HEADER> must not
include pseudo header field (header field name starting
with \(aq:\(aq). The trailer is sent only if a response has
body part. Example: \fI\%\-\-trailer\fP \(aqfoo: bar\(aq.
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.B \-\-hexdump
Display the incoming traffic in hexadecimal (Canonical
hex+ASCII display). If SSL/TLS is used, decrypted data
are used.
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.B \-\-echo\-upload
Send back uploaded content if method is POST or PUT.
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.B \-\-mime\-types\-file=<PATH>
Path to file that contains MIME media types and the
extensions that represent them.
.sp
Default: \fB/etc/mime.types\fP
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.B \-\-no\-content\-length
Don\(aqt send content\-length header field.
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.B \-\-ktls
Enable ktls.
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.B \-\-no\-rfc7540\-pri
Disable RFC7540 priorities.
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.B \-\-version
Display version information and exit.
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.B \-h, \-\-help
Display this help and exit.
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.sp
The <SIZE> argument is an integer and an optional unit (e.g., 10K is
10 * 1024). Units are K, M and G (powers of 1024).
.SH SEE ALSO
.sp
\fBnghttp(1)\fP, \fBnghttpx(1)\fP, \fBh2load(1)\fP
.SH AUTHOR
Tatsuhiro Tsujikawa
.SH COPYRIGHT
2012, 2015, 2016, Tatsuhiro Tsujikawa
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