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https://issues.apache.org/jira/browse/NET-337?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sebb resolved NET-337.
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Resolution: Fixed
Fix Version/s: 2.2
Included by NET-288 and NET-313
> Support for Extended Passive Mode
> ----------------------------------
>
> Key: NET-337
> URL: https://issues.apache.org/jira/browse/NET-337
> Project: Commons Net
> Issue Type: New Feature
> Components: FTP
> Affects Versions: 2.0
> Environment: all
> Reporter: Carlos Silva A.
> Fix For: 2.2
>
>
> Extended Passive Mode (ESPV) is not supported yet in the current library.
> Adding support for it will enable this library to use it to connect ot
> servers behind routers that are incorrectly configured to use PASV.
> I dont know if I should try to place a patch as I am on doubt on what the
> right approach should be:
> a) Create a new EXTENDED_PASSIVE_LOCAL_DATA_CONNECTION_MODE connection mode
> This would probably fulfill the actual requirement, but would also
> require multiple changes across to support the EPSV command and its result as
> well.
> b) create a public property "ignorePassiveHost" that can be used in
> FTPClient# __parsePassiveModeReply() as follows
> if(__ignorePassiveHost){
> __passiveHost = getRemoteAddress().getHostAddress();
> }else{
> __passiveHost = parts[0] + '.' + parts[1] + '.' + parts[2] +
> '.' + parts[3];
> }
>
> c) externalize (as a protected method) the call to create socket in
> FTPClient#_openDataConnection_ to a protected method "createSocket)
> This would allow user code to override the default connection
> behavior to accomplish a similar functionality.
> d) make __parsePassiveModeReply a protected method and also add a protected
> method for setting the value on __passiveHost
> This would allow user code to override the default behavior to
> accomplish a similar functionality.
> Thanks for any comments / work on this.
> I can submit a patch on any of these options if you need me to.
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