On Wed, May 07, 2003 at 01:14:04AM +0200, Tim van Erven wrote: > On Tue, 06/05/2003 13:07 -0500, Mark Edgington wrote: > > incorporate functionality into inetd/xinetd/rinetd which listens for a > > predefined sequence of connection attempts on certain ports. Upon noticing > > the correct sequence (as specified somewhere in the config file), it opens > > up certain ports (i.e. SSH) for a specified amount of time or for the next > > connection attempt only. The parameters which could be set in the config > > file would be: > > 1) the "trigger" sequence (an ordered list of port numbers) > > 2) the port(s) to make available upon receiving this trigger sequence > > 3) whether the ports to be made available are available for a) the next n > > connections only, and/or b) the next n minutes > > 3) how long to disable watching for the sequence after an invalid sequence > > has been detected. > > You could also run a daemon that listens on some port for a password and > opens up other ports if it receives the right one, to get the same > effect, but much easier to implement.
How are you going to handle firewalls and stuff? This because you need to accept traffic for those ports. -- Hans
