porttest newLISP: Racket: Porttest tests port connectivity. Example: porttest (C) 2013 KTG host: www.newlisp.org port: 80 Wed Dec 25 20:29:45 2013 www.newlisp.org 80 open Wed Dec 25 20:29:46 2013 www.newlisp.org 80 open My Computer Programs 2013.12.12