Re: a record?

[Suresh Ramasubramanian <ops.lists () gmail com>]

On 11/16/05, Patrick Lynchehaun <plynchehaun () servecentric com> wrote:
> In Iptables you can keep port 22 closed until needed, opening it first by
> telneting to a higher port say 5500 and Iptables just giving access to this
> ip. If you want to close it again you can telnet back in on another assigned
> port say 5501, thus closing ssh port to that ip.

Yup. AKA "port knocking" which I think someone did mention upthread