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Request #69580 I need an FTP stream that doesn't use EPSV
Submitted: 2015-05-06 03:56 UTC Modified: 2015-05-06 20:32 UTC
Votes:1
Avg. Score:5.0 ± 0.0
Reproduced:1 of 1 (100.0%)
Same Version:0 (0.0%)
Same OS:0 (0.0%)
From: a_different_name at hotmail dot com Assigned:
Status: Open Package: Streams related
PHP Version: 5.5.24 OS: Linux
Private report: No CVE-ID: None
View Developer Edit
 [2015-05-06 03:56 UTC] a_different_name at hotmail dot com 
Description:
------------
I'm trying to use streams to write a data file to an FTP server with a somewhat broken setup -- it understands `EPSV`, but is behind a NAT that doesn't.  So even though the `EPSV` succeeds, the data connection (and thus the `fopen`) fails because the router didn't set up a NAT entry for the data port.

This would not be a problem if i could tell PHP to skip `EPSV` and just use `PASV` instead (which works fine).  As it stands now, i instead have to either avoid streams, or write my own version of the FTP wrapper.

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 [2015-05-06 04:18 UTC] requinix@php.net
-Status: Open +Status: Feedback
 [2015-05-06 04:18 UTC] requinix@php.net 
Have you tried using the FTP functions? It looks like ftp_pasv() only attempts EPSV with an IPv6 connection.
 [2015-05-06 04:32 UTC] a_different_name at hotmail dot com 
That's what i meant by "avoiding streams". I'm having to use the ftp_ functions instead.

The goal was to be able to hand the code a URL (which, ideally, could be any destination for which there's a stream wrapper registered), and have it put the file there. The need to avoid EPSV is getting in the way of that.
 [2015-05-06 20:32 UTC] cmb@php.net
-Status: Feedback +Status: Open
 [2020-04-08 13:29 UTC] mlechat at jolicode dot com 
Just hit this one.

Would it be possible, either to

- try EPSV and switch to PSV on failure like cURL
- allow setting the mode as a context option
 
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