Port Knocking in Action
tyldis writes "There was something called "port knocking" mentioned on Slashdot earlier, and now an implementation has sprung to life. Is this something worth pursuing?" The page is to an application called knockd which is a simple proof of concept with
hard coded knock sequences. Really interesting stuff.
Fark Knocker.
Be who you are and say what you feel, because the people who mind don't matter, and the people who matter don't mind.