Daniel Carosone wrote:

> consider inverting the behaviour of your log-watcher.  Use something
> like the port-knocking technique to open temporary access to the ssh

Can anyone recommend software for port-knocking? There are several
implementations, many using iptables. So far, there seems to be no
package in pkgsrc and I wouldn't want to waste time trying many/all
of them.

ciao
     Klaus