Re: FW: DNAT SSH

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I think the following can work.

> 1. -s anywhere --dport 5000 -j DNAT --to-destination :22

-s subnet --dport 5000 -j DNAT --to-destination 22

This will do nating only only subnet.

Thanx.
>
> FILTER INPUT chain:
>
> 2. -s subnet --dport 22 -j ACCEPT
>
> 3. all others -j REJECT
>
> The problem is the packet arrives on 5000 and is natted to 22 correctly
> (1. - all good so far),
> but because its source IP is not the local subnet (defined in 2.), it is
> rejected in the filter
> INPUT chain (3).
>
> So I'm think something like the following:
>
> a. can the packet bypass the INPUT filter chain?
> b. how can I identify my natted packet within the INPUT filter chain and
> thus ACCEPT it?
>
> Regards,
> Geofrey Rainey.
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