[tor-relays] Port knocking for SSH on a Tor node

[Diarmaid McManus]

I would no longer recommend port knocking using a static port sequence.
Instead, I'd recommend knockknock by moxie,
https://github.com/moxie0/knockknock/blob/master/README
On 3 May 2016 14:58, "Cristian Consonni" <kikkocristian at gmail.com> wrote:

> Hi,
>
> I am putting together a blog post with tips and tools for
> administrating a node and then I have discovered the technique of
> "port knocking".
>
> I decided to experiment with it and I have created a guide that puts
> it together with the default configuration for iptables by
> torservers/moba[1a][1b].
>
> I have searched on this list and the topic of port knocking has been
> discussed very rarely (last discussions in late 2014).
>
> This is the guide I have writen:
> https://balist.es/blog/2016/05/03/configure-port-knocking-for-a-tor-node/
>
> I would like to receive some feedback and I hope this can be useful
> for other operators.
>
> Cristian
>
> [1a]: https://www.torservers.net/wiki/setup/server
> [1b]:
> https://raw.githubusercontent.com/torservers/server-config-templates/master/iptables.test.rules
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