Long ago I had less clue than I do now about all this networking wizardry. I thought I was protecting the user.
You're right, just set it to something higher.
I wrote a ticket for this:
http://rt.cpan.org/Ticket/Display.html?id=38003
I suggest just making the line be 64k or something for yourself, and in a version soon it'll be configurable and bigger by default.
--hachi