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Date: Mon, 7 Dec 2015 22:54:25 +0100
From: Bernd Eckenfels <ecki@zusammenkunft.net>
To: Roger Membreno <roger.membreno@celigo.com>
Cc: user@commons.apache.org, dev@commons.apache.org
Subject: Re: [vfs] New Properties for FtpFileSystemConfigBuilder
Message-ID: <20151207225425.00005300.ecki@zusammenkunft.net>
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Hello Roger,

sounds useful to me. Do you plan to parse a string range ("1-100") or
define a min and max property?

Gruss
Bernd

 Am Mon, 7 Dec 2015 13:26:35 -0800
schrieb Roger Membreno <roger.membreno@celigo.com>:

> Hello Apache Community, how are you doing?
> 
> We use Commons VFS in our FTP connection projects, and for a recent
> project we only able to connect to our FTP site when using Passive
> mode.  If we used Active mode we could login to the FTP site but all
> files in the directory did not exist and could not be accessed.
> 
> Since our server is behind a firewall with NAT translation we
> determined that the data connection could not be established even if
> we opened up some ports on the firewall.  We were able to connect to
> the FTP site using a stanadalone FTPClient by setting the following
> properties to match our NAT security settings:
> setReportActiveExternalIPAddress()
> client.setActivePortRange()
> 
> With these properties set the PORT command issued by our client to
> the FTP site will create a valid data connection.  What I'd like to
> do is submit a change via GitHub that does the following:
> 1. Add "reportActiveExternalIPAddress" and "activePortRange"
> properties to the class
> org.apache.commons.vfs2.provider.ftp.FtpFileSystemConfigBuilder 2.
> Ehance createConnection in
> org.apache.commons.vfs2.provider.ftp.FtpClientFactory to read these
> new FtpFileSystemConfigBuilder properties from the config instance
> and set them on the FTPClient.
> 
> Let me know if you have any questions.  If you think this is a good
> change I'll make a new issue in JIRA for this enhancement.  I also
> think that these changes could help resolve VFS-201 (
> https://issues.apache.org/jira/browse/VFS-201)
> 


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