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71 lines
2.6 KiB
Groff
71 lines
2.6 KiB
Groff
.\" **************************************************************************
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.\" * _ _ ____ _
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.\" * Project ___| | | | _ \| |
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.\" * / __| | | | |_) | |
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.\" * | (__| |_| | _ <| |___
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.\" * \___|\___/|_| \_\_____|
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.\" *
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.\" * Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
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.\" *
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.\" * This software is licensed as described in the file COPYING, which
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.\" * you should have received as part of this distribution. The terms
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.\" * are also available at https://curl.se/docs/copyright.html.
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.\" *
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.\" * You may opt to use, copy, modify, merge, publish, distribute and/or sell
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.\" * copies of the Software, and permit persons to whom the Software is
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.\" * furnished to do so, under the terms of the COPYING file.
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.\" *
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.\" * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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.\" * KIND, either express or implied.
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.\" *
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.\" * SPDX-License-Identifier: curl
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.\" *
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.\" **************************************************************************
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.\"
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.TH CURLOPT_FTP_SKIP_PASV_IP 3 "19 Jun 2014" libcurl libcurl
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.SH NAME
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CURLOPT_FTP_SKIP_PASV_IP \- ignore the IP address in the PASV response
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.SH SYNOPSIS
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.nf
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#include <curl/curl.h>
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CURLcode curl_easy_setopt(CURL *handle, CURLOPT_FTP_SKIP_PASV_IP, long skip);
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.fi
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.SH DESCRIPTION
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Pass a long. If \fIskip\fP is set to 1, it instructs libcurl to not use the IP
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address the server suggests in its 227-response to libcurl's PASV command when
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libcurl connects the data connection. Instead libcurl reuses the same IP
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address it already uses for the control connection. It still uses the port
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number from the 227-response.
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This option allows libcurl to work around broken server installations or funny
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network setups that due to NATs, firewalls or incompetence report the wrong IP
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address. Setting this option also reduces the risk for various sorts of client
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abuse by malicious servers.
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This option has no effect if PORT, EPRT or EPSV is used instead of PASV.
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.SH DEFAULT
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1 since 7.74.0, was 0 before then.
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.SH PROTOCOLS
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FTP
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.SH EXAMPLE
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.nf
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CURL *curl = curl_easy_init();
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if(curl) {
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curl_easy_setopt(curl, CURLOPT_URL, "ftp://example.com/file.txt");
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/* please ignore the IP in the PASV response */
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curl_easy_setopt(curl, CURLOPT_FTP_SKIP_PASV_IP, 1L);
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ret = curl_easy_perform(curl);
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curl_easy_cleanup(curl);
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}
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.fi
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.SH AVAILABILITY
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Added in 7.14.2
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.SH RETURN VALUE
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Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
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.SH "SEE ALSO"
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.BR CURLOPT_FTPPORT (3),
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.BR CURLOPT_FTP_USE_EPRT (3)
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