Re: Debug kernel network hook chain or why has Check Point Firewall module problems with IPv6

Andi Kleen writes:

> On Mon, Apr 22, 2002 at 08:53:45AM +0000, Peter Bieringer wrote:
> > Is such IPv4 hook not seeing packets leaving a dual-stack application like
> > openssh? Is there any scheme (the way such packet takes) available for
> > visualisation.
> 
> The v4 hook only sees packets that are sent as v4. The v6 hook only v6.
> It has nothing to do with the application using v4-mapped-on-v6 sockets 
> or not.

Thanks for reply. Is there any tool available which can display which
application has registered which network hooks?

TIA,
 Peter