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.\" Man page generated from reStructuredText. . . .nr rst2man-indent-level 0 . .de1 rstReportMargin \\$1 \\n[an-margin] level \\n[rst2man-indent-level] level margin: \\n[rst2man-indent\\n[rst2man-indent-level]] - \\n[rst2man-indent0] \\n[rst2man-indent1] \\n[rst2man-indent2] .. .de1 INDENT .\" .rstReportMargin pre: . RS \\$1 . nr rst2man-indent\\n[rst2man-indent-level] \\n[an-margin] . nr rst2man-indent-level +1 .\" .rstReportMargin post: .. .de UNINDENT . RE .\" indent \\n[an-margin] .\" old: \\n[rst2man-indent\\n[rst2man-indent-level]] .nr rst2man-indent-level -1 .\" new: \\n[rst2man-indent\\n[rst2man-indent-level]] .in \\n[rst2man-indent\\n[rst2man-indent-level]]u .. .TH "NGHTTPD" "1" "Oct 25, 2025" "1.68.0" "nghttp2" .SH NAME nghttpd \- HTTP/2 server .SH SYNOPSIS .sp \fBnghttpd\fP [OPTION]... <PORT> [<PRIVATE_KEY> <CERT>] .SH DESCRIPTION .sp HTTP/2 server .INDENT 0.0 .TP .B <PORT> Specify listening port number. .UNINDENT .INDENT 0.0 .TP .B <PRIVATE_KEY> Set path to server\(aqs private key. Required unless \fI\%\-\-no\-tls\fP is specified. .UNINDENT .INDENT 0.0 .TP .B <CERT> Set path to server\(aqs certificate. Required unless \fI\%\-\-no\-tls\fP is specified. .UNINDENT .SH OPTIONS .INDENT 0.0 .TP .B \-a, \-\-address=<ADDR> The address to bind to. If not specified the default IP address determined by getaddrinfo is used. .UNINDENT .INDENT 0.0 .TP .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. .UNINDENT .INDENT 0.0 .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. .UNINDENT .INDENT 0.0 .TP .B \-d, \-\-htdocs=<PATH> Specify document root. If this option is not specified, the document root is the current working directory. .UNINDENT .INDENT 0.0 .TP .B \-v, \-\-verbose Print debug information such as reception/ transmission of frames and name/value pairs. .UNINDENT .INDENT 0.0 .TP .B \-\-no\-tls Disable SSL/TLS. .UNINDENT .INDENT 0.0 .TP .B \-c, \-\-header\-table\-size=<SIZE> Specify decoder header table size. .UNINDENT .INDENT 0.0 .TP .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. .UNINDENT .INDENT 0.0 .TP .B \-\-color Force colored log output. .UNINDENT .INDENT 0.0 .TP .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 .UNINDENT .INDENT 0.0 .TP .B \-b, \-\-padding=<N> Add at most <N> bytes to a frame payload as padding. Specify 0 to disable padding. .UNINDENT .INDENT 0.0 .TP .B \-m, \-\-max\-concurrent\-streams=<N> Set the maximum number of the concurrent streams in one HTTP/2 session. .sp Default: \fB100\fP .UNINDENT .INDENT 0.0 .TP .B \-n, \-\-workers=<N> Set the number of worker threads. .sp Default: \fB1\fP .UNINDENT .INDENT 0.0 .TP .B \-e, \-\-error\-gzip Make error response gzipped. .UNINDENT .INDENT 0.0 .TP .B \-w, \-\-window\-bits=<N> Sets the stream level initial window size to 2**<N>\-1. .UNINDENT .INDENT 0.0 .TP .B \-W, \-\-connection\-window\-bits=<N> Sets the connection level initial window size to 2**<N>\-1. .UNINDENT .INDENT 0.0 .TP .B \-\-dh\-param\-file=<PATH> Path to file that contains DH parameters in PEM format. Without this option, DHE cipher suites are not available. .UNINDENT .INDENT 0.0 .TP .B \-\-early\-response Start sending response when request HEADERS is received, rather than complete request is received. .UNINDENT .INDENT 0.0 .TP .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. .UNINDENT .INDENT 0.0 .TP .B \-\-hexdump Display the incoming traffic in hexadecimal (Canonical hex+ASCII display). If SSL/TLS is used, decrypted data are used. .UNINDENT .INDENT 0.0 .TP .B \-\-echo\-upload Send back uploaded content if method is POST or PUT. .UNINDENT .INDENT 0.0 .TP .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 .UNINDENT .INDENT 0.0 .TP .B \-\-no\-content\-length Don\(aqt send content\-length header field. .UNINDENT .INDENT 0.0 .TP .B \-\-groups=<GROUPS> Specify the supported groups. .sp Default: \fBX25519:P\-256:P\-384:P\-521\fP .UNINDENT .INDENT 0.0 .TP .B \-\-ktls Enable ktls. .UNINDENT .INDENT 0.0 .TP .B \-\-version Display version information and exit. .UNINDENT .INDENT 0.0 .TP .B \-h, \-\-help Display this help and exit. .UNINDENT .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 .\" Generated by docutils manpage writer. .
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