[147773] in North American Network Operators' Group
Re: Any tools to help network security
daemon@ATHENA.MIT.EDU (sthaug@nethelp.no)
Wed Dec 21 14:04:13 2011
Date: Wed, 21 Dec 2011 20:03:16 +0100 (CET)
To: deric.kwok2000@gmail.com
From: sthaug@nethelp.no
In-Reply-To: <CAAiP320dzKM_XJMGeb1DixvPnrom0E9v8OfN5sszsEPbmLM-Yw@mail.gmail.com>
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
> We discover there are so many (source) ip not belonging to our network
> to go to outside.
>
> We can block it but don't know how to locate the source.
>
> Any tools can be easily found out.
http://lmgtfy.com/?q=unicast+rpf
Steinar Haug, Nethelp consulting, sthaug@nethelp.no
