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https://issues.apache.org/jira/browse/NET-181?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rory Winston closed NET-181.
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Resolution: Fixed
Fix Version/s: 2.0
1.5
> tftp client limited to ~32 MB file sizes
> ----------------------------------------
>
> Key: NET-181
> URL: https://issues.apache.org/jira/browse/NET-181
> Project: Commons Net
> Issue Type: Improvement
> Environment: All
> Reporter: Dan Armbrust
> Priority: Minor
> Fix For: 1.5, 2.0
>
> Attachments: TFTPClient.java.patch
>
>
> I just noticed that the TFTPClient class does not support a block wraparound
> - hence, when the block number exceeds the max allowed by the rfc (65535) -
> about a 32 mb file - bad things will happen.
> I can't find any rfc that specifies how the wraparound is supposed to occur,
> but this wiki page mentions it:
> http://en.wikipedia.org/wiki/Trivial_File_Transfer_Protocol
> And I am working on implementing a TFTPServer - and in my tests with the tftp
> client that is shipped with fedora, I have determined that that tftp client
> expects the next block number after 65535 to be 0.
> So it appears that the TFTPClient should wrap its block number so that it
> properly supports larger files.
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