Re: How to log inbound IPs on telnet connection?
On Jun 26, 2011, at 8:29 PM, William Hopkins <we.hopkins@gmail.com> wrote:
> On 06/26/11 at 05:18pm, Alexander Lardner wrote:
>> Hello,
>> I run a vintage BBS on my Debian box that uses telnet for connections.
>> By default, the software is written to accept connections on port
>> 1234, as opposed to 23 as is default for telnet. I use a little
>> utility called redir that takes inbound connections on port 23 and
>> reroutes them locally to port 1234. The problem is, it shows that
>> users connected from localhost as opposed to their actual IP. I need a
>> way to be able to log IPs to ban troublemakers. Is there a program or
>> script to log inbound IPs?
>
> Probably you would be well served by IPtables instead of your 'redir' utility.
> Look into the REDIRECT target in the nat table.
> See if this modifies what the inbound IP appears to be.
>
> --
> Liam
Actually, I beat you to it. Got thinking and bit the bullet. :)
-Alex
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