On Friday 23 January 2009 22:54:24 Paul Hartman wrote: > > A friend once mentioned on a forum that he'd managed to set up static > > libwrap rules in hosts.allow|deny for addresses that don't change and > > additionally port-knocking for himself to open up port 22 for a few > > minutes. I don't recall how he did this, only that he claimed to have > > done it. > > I've never tried it but I have always liked the idea. I connect to > sshd from linux (my laptop), windows (my work desktop) and symbian (my > phone). > > knockd and the knocking client should be no problem for linux & > windows, but for my phone I'd probably have to make one myself. Is it > as simple as making a connection to a specific sequence of ports with > specific timing? I could probably do that easily in python. Sounds > like a project for this weekend. :)
I'm no expert but AFAIK that is the general idea -- alan dot mckinnon at gmail dot com

