[Mikrotik] ssh attempts from public space to private address

Ty Featherling tyfeatherling at gmail.com
Wed Jul 25 10:18:22 CDT 2012


I though, and Google verified, that port knocking is a means to be allowed
through a firewall by attempting connections to a specific sequence of
ports. How does that apply here?

Public space shouldn't be able to reach private space without some form of
redirect or NAT, correct?

-Ty

On Wed, Jul 25, 2012 at 10:14 AM, Josh Luthman
<josh at imaginenetworksllc.com>wrote:

> Port knocking?
>
> Josh Luthman
> Office: 937-552-2340
> Direct: 937-552-2343
> 1100 Wayne St
> Suite 1337
> Troy, OH 45373
>
>
> On Wed, Jul 25, 2012 at 11:10 AM, Ty Featherling <tyfeatherling at gmail.com
> >wrote:
>
> > Looking at one of my routerboards that has a private 10.0.4.x address and
> > the logs show multiple attempts to connect via ftp and ssh from a public
> > address 213.229.93.218. Not counting for the fact that your security
> should
> > block those attempts, how in the hell is a public address that is
> > off-network reaching a private address? NAT is not being used anywhere on
> > my network.
> >
> > -Ty
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