I don't see an obvious error-- you might want to try 
my $bytes_read = read(STDIN, $buffer, $ENV{'CONTENT_LENGTH'});

print "Bytes read: $bytes_read\n";

[download]
Aside from that, does the script work OK outside of SSL? Might be a server problem-- which server are you using... Apache-SSL? Which version?

stephen

In reply to Re: Bizarre CGI.pm behaviour or just me? by stephen
in thread Bizarre CGI.pm behaviour or just me? by cLive ;-)

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