iptables and raw connection to port 255

Brad Chapman kakadu@earthlink.net
Wed, 11 Jul 2001 18:32:16 -0400


Mr. Eric,

   What netstat command did you run to get this? I can figure out the first,
fourth, fifth, and seventh columns, but what do the rest mean?

Brad  

ewheeler@kaico.com wrote:

> I've got some security scripting that primarily uses netstat.  
> 
> Does anyone know why it showed me this?
> raw    0     0 0.0.0.0:255     0.0.0.0:*     7     15301/iptables      
> 
> 
> I'm sure there's a legitimate reason for iptables talking on port 255 but
> I can't think why.
> 
> Does it need to talk to the kernel on some raw 255 port?  Anyone else have
> any ideas/concerns?  If iptables talks to the kernel on port 255 via some
> raw protocol could that be exploited?
> 
> --Eric