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