I've just reproduced the problem using 37k of data. It looks like select-sysread loop in HTTP::Daemon doesn't work correctly with IO::Socket::SSL. That's because select in _need_more tests real filehandle and sysread reads from IO::Socket::SSL object which is buffered, so 

sysread($self, $_[0], 2048, length($_[0]))

[download]
may actually read more than 2048 bytes from the socket and subsequent select on socket will hang.

Removing Timeout as proposed by derby solves the problem.

In reply to Re: Large HTTPS POST hangs with HTTP::Daemon::SSL by zwon
in thread Large HTTPS POST hangs with HTTP::Daemon::SSL by dgaramond2

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