Re: Secure opening of ports
On Mon, Jan 24, 2005 at 10:55:15PM +0200, David Baron wrote:
> 1. From an outside machine, say using openSSH, how do I configure to do this
> sequence and open my home machine's SSH port?
I suppose you could would write a shell script to do the knocking with
netcat </dev/null. If you're knocking from a windows box, you could use
unxutils or something.
I have no idea if there is a better way to do this.
> 2. How might I keep a secure SMTP port available when needed but hidden
> otherwise using knockd's 2nd example? or the brief periodic opening I first
> proposed? Other?
I don't know, sorry.