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Diffstat (limited to 'docs/cmdline-opts/ftp-port.md')
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diff --git a/docs/cmdline-opts/ftp-port.md b/docs/cmdline-opts/ftp-port.md new file mode 100644 index 000000000..e9ec59146 --- /dev/null +++ b/docs/cmdline-opts/ftp-port.md @@ -0,0 +1,51 @@ +--- +c: Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al. +SPDX-License-Identifier: curl +Long: ftp-port +Arg: <address> +Help: Use PORT instead of PASV +Short: P +Protocols: FTP +Category: ftp +Added: 4.0 +Multi: single +See-also: + - ftp-pasv + - disable-eprt +Example: + - -P - ftp:/example.com + - -P eth0 ftp:/example.com + - -P 192.168.0.2 ftp:/example.com +--- + +# `--ftp-port` + +Reverses the default initiator/listener roles when connecting with FTP. This +option makes curl use active mode. curl then tells the server to connect back +to the client's specified address and port, while passive mode asks the server +to setup an IP address and port for it to connect to. <address> should be one +of: + +## interface +e.g. **eth0** to specify which interface's IP address you want to use (Unix only) + +## IP address +e.g. **192.168.10.1** to specify the exact IP address + +## host name +e.g. **my.host.domain** to specify the machine + +## - +make curl pick the same IP address that is already used for the control +connection. This is the recommended choice. + +## + +Disable the use of PORT with --ftp-pasv. Disable the attempt to use the EPRT +command instead of PORT by using --disable-eprt. EPRT is really PORT++. + +You can also append ":[start]-[end]" to the right of the address, to tell +curl what TCP port range to use. That means you specify a port range, from a +lower to a higher number. A single number works as well, but do note that it +increases the risk of failure since the port may not be available. +(Added in 7.19.5) |