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. -- Tim van Erven <[EMAIL PROTECTED]> Fingerprint: F6C9 61EE 242C C012 OpenPGP Key ID: 712CB811 36D5 BBF8 6310 D557 712C B811
