diff options
Diffstat (limited to 'docs/libcurl/opts/CURLOPT_FTP_SKIP_PASV_IP.3')
| -rw-r--r-- | docs/libcurl/opts/CURLOPT_FTP_SKIP_PASV_IP.3 | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/docs/libcurl/opts/CURLOPT_FTP_SKIP_PASV_IP.3 b/docs/libcurl/opts/CURLOPT_FTP_SKIP_PASV_IP.3 index 8fb839e44..315a63694 100644 --- a/docs/libcurl/opts/CURLOPT_FTP_SKIP_PASV_IP.3 +++ b/docs/libcurl/opts/CURLOPT_FTP_SKIP_PASV_IP.3 @@ -5,11 +5,11 @@ .\" * | (__| |_| | _ <| |___ .\" * \___|\___/|_| \_\_____| .\" * -.\" * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al. +.\" * Copyright (C) 1998 - 2021, Daniel Stenberg, <daniel@haxx.se>, et al. .\" * .\" * This software is licensed as described in the file COPYING, which .\" * you should have received as part of this distribution. The terms -.\" * are also available at https://curl.haxx.se/docs/copyright.html. +.\" * are also available at https://curl.se/docs/copyright.html. .\" * .\" * You may opt to use, copy, modify, merge, publish, distribute and/or sell .\" * copies of the Software, and permit persons to whom the Software is @@ -20,14 +20,16 @@ .\" * .\" ************************************************************************** .\" -.TH CURLOPT_FTP_SKIP_PASV_IP 3 "May 05, 2017" "libcurl 7.73.0" "curl_easy_setopt options" +.TH CURLOPT_FTP_SKIP_PASV_IP 3 "November 26, 2021" "libcurl 7.81.0" "curl_easy_setopt options" .SH NAME CURLOPT_FTP_SKIP_PASV_IP \- ignore the IP address in the PASV response .SH SYNOPSIS +.nf #include <curl/curl.h> CURLcode curl_easy_setopt(CURL *handle, CURLOPT_FTP_SKIP_PASV_IP, long skip); +.fi .SH DESCRIPTION Pass a long. If \fIskip\fP is set to 1, it instructs libcurl to not use the IP address the server suggests in its 227-response to libcurl's PASV command when @@ -36,11 +38,13 @@ address it already uses for the control connection. But it will use the port number from the 227-response. This option thus allows libcurl to work around broken server installations -that due to NATs, firewalls or incompetence report the wrong IP address back. +that due to NATs, firewalls or incompetence report the wrong IP address +back. Setting the option also reduces the risk for various sorts of client +abuse by malicious servers. This option has no effect if PORT, EPRT or EPSV is used instead of PASV. .SH DEFAULT -0 +1 since 7.74.0, was 0 before then. .SH PROTOCOLS FTP .SH EXAMPLE |