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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Work logged] (VFS-660) expose workaround for connecting to FTP server from different subnets in PASV mode
Date Mon, 01 Apr 2019 20:43:05 GMT

     [ https://issues.apache.org/jira/browse/VFS-660?focusedWorklogId=221466&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-221466
]

ASF GitHub Bot logged work on VFS-660:
--------------------------------------

                Author: ASF GitHub Bot
            Created on: 01/Apr/19 20:42
            Start Date: 01/Apr/19 20:42
    Worklog Time Spent: 10m 
      Work Description: garydgregory commented on pull request #35: [VFS-660] expose workaround
for connecting to FTP server from different subnets in PASV mode
URL: https://github.com/apache/commons-vfs/pull/35
 
 
   
 
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Issue Time Tracking
-------------------

            Worklog Id:     (was: 221466)
            Time Spent: 10m
    Remaining Estimate: 0h

> expose workaround for connecting to FTP server from different subnets in PASV mode
> ----------------------------------------------------------------------------------
>
>                 Key: VFS-660
>                 URL: https://issues.apache.org/jira/browse/VFS-660
>             Project: Commons VFS
>          Issue Type: Improvement
>    Affects Versions: 1.0
>            Reporter: Yubao Liu
>            Priority: Major
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> [https://github.com/apache/commons-vfs/pull/35]
>  
> In PASV mode, the FTP server returns its server IP (eg. pasv_address in vsftpd.conf),
>  when clients are from different subnets through NAT, they expect different server IP.
> This patch exposes the workaround in commons-ftp into commons-vfs:
>  * use EPSV mode instead of PASV mode, EPSV mode returns only server port
>  * use PASV mode but overwrite the returned server IP with HostnameResolver



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