From: Andi Kleen <ak@suse.de>
To: Peter Bieringer <pb@bieringer.de>
Cc: Andi Kleen <ak@suse.de>, Maillist netdev <netdev@oss.sgi.com>
Subject: Re: Debug kernel network hook chain or why has Check Point Firewall module problems with IPv6
Date: Mon, 22 Apr 2002 14:54:12 +0200 [thread overview]
Message-ID: <20020422145412.A10284@wotan.suse.de> (raw)
In-Reply-To: <20020422124737.16885.qmail@titan.bieringer.de>
On Mon, Apr 22, 2002 at 12:47:37PM +0000, Peter Bieringer wrote:
>
> 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?
Only a kernel debugger (gdb vmlinux /proc/kcore)
-Andi
next prev parent reply other threads:[~2002-04-22 12:54 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-04-22 6:47 Debug kernel network hook chain or why has Check Point Firewall module problems with IPv6 Peter Bieringer
2002-04-22 7:22 ` Andi Kleen
2002-04-22 8:53 ` Peter Bieringer
2002-04-22 10:06 ` Andi Kleen
2002-04-22 12:47 ` Peter Bieringer
2002-04-22 12:54 ` Andi Kleen [this message]
2002-04-22 13:05 ` Peter Bieringer
2002-04-22 13:08 ` Andi Kleen
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