New Zealand ADSL Mailing List


RE: who's portscanning my adsl router?

From: Aaron Waugh <AaronW_at_Interconnect.co.nz>
Date: Thu, 3 May 2001 16:05:05 +1200
Message-ID: <310A86BBA900D411B01B00805F7D833D0FACA1@GLAURUNG>

I totally agree, if you set a global pinhole through to your firewall, you
will pick these ports scans up from their real internet addresses, I know,
cause Ive done it...

Aaron

-----Original Message-----
From: Pete [mailto:speed@advcomm.co.nz]
Sent: Thursday, 26 April 2001 08:50
To: adsl@unixathome.org
Subject: Re: who's portscanning my adsl router?

> You have to Understand the M1122's are NAT boxes (they translate fake ip
> addresses (internal network) into 1 real ip address (your Internet One).
> If someone port scans you it will get to the M1122 and then just stop
> (as there is nothing on the Internet side of the Router to connect to),
> it will not get to the Firewall box (and even if it did via NAT) it will
> seem to come from 192.168.1.254.

No, even if it did via NAT (because of a pin-hole for example), it would
appear
to come from the real sources's IP address. Thats the whole point of NAT and
port-forwarding.

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Received on Thu May 3 16:07:05 2001


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