This option makes IP6_NF_IPTABLES_LEGACY user selectable, giving
users the option to configure iptables without enabling any other
config.

Signed-off-by: Breno Leitao <leitao@debian.org>
---
 net/ipv6/netfilter/Kconfig | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/net/ipv6/netfilter/Kconfig b/net/ipv6/netfilter/Kconfig
index f3c8e2d918e1..425cb7a3571b 100644
--- a/net/ipv6/netfilter/Kconfig
+++ b/net/ipv6/netfilter/Kconfig
@@ -8,7 +8,14 @@ menu "IPv6: Netfilter Configuration"
 
 # old sockopt interface and eval loop
 config IP6_NF_IPTABLES_LEGACY
-	tristate
+	tristate "Legacy IP6 tables support"
+	depends on INET && IPV6
+	select NETFILTER_XTABLES
+	default n
+	help
+	  ip6tables is a legacy packet classification.
+	  This is not needed if you are using iptables over nftables
+	  (iptables-nft).
 
 config NF_SOCKET_IPV6
 	tristate "IPv6 socket lookup support"
-- 
2.43.5

One more question below.

On Mon, Sep 09, 2024 at 01:46:18AM -0700, Breno Leitao wrote:
> This option makes IP6_NF_IPTABLES_LEGACY user selectable, giving
> users the option to configure iptables without enabling any other
> config.
>
> Signed-off-by: Breno Leitao <leitao@debian.org>
> ---
>  net/ipv6/netfilter/Kconfig | 9 ++++++++-
>  1 file changed, 8 insertions(+), 1 deletion(-)
> 
> diff --git a/net/ipv6/netfilter/Kconfig b/net/ipv6/netfilter/Kconfig
> index f3c8e2d918e1..425cb7a3571b 100644
> --- a/net/ipv6/netfilter/Kconfig
> +++ b/net/ipv6/netfilter/Kconfig
> @@ -8,7 +8,14 @@ menu "IPv6: Netfilter Configuration"
>  
>  # old sockopt interface and eval loop
>  config IP6_NF_IPTABLES_LEGACY
> -	tristate
> +	tristate "Legacy IP6 tables support"
> +	depends on INET && IPV6
> +	select NETFILTER_XTABLES
> +	default n
> +	help
> +	  ip6tables is a legacy packet classification.

                                Is "packet classifier" the right term?

I can mangle this patch before applying, no need to send one more.

Thanks.

> +	  This is not needed if you are using iptables over nftables
> +	  (iptables-nft).
>  
>  config NF_SOCKET_IPV6
>  	tristate "IPv6 socket lookup support"
> -- 
> 2.43.5
>

On Thu, Sep 12, 2024 at 12:12:01AM +0200, Pablo Neira Ayuso wrote:
> One more question below.
> 
> On Mon, Sep 09, 2024 at 01:46:18AM -0700, Breno Leitao wrote:
> > This option makes IP6_NF_IPTABLES_LEGACY user selectable, giving
> > users the option to configure iptables without enabling any other
> > config.
> >
> > Signed-off-by: Breno Leitao <leitao@debian.org>
> > ---
> >  net/ipv6/netfilter/Kconfig | 9 ++++++++-
> >  1 file changed, 8 insertions(+), 1 deletion(-)
> > 
> > diff --git a/net/ipv6/netfilter/Kconfig b/net/ipv6/netfilter/Kconfig
> > index f3c8e2d918e1..425cb7a3571b 100644
> > --- a/net/ipv6/netfilter/Kconfig
> > +++ b/net/ipv6/netfilter/Kconfig
> > @@ -8,7 +8,14 @@ menu "IPv6: Netfilter Configuration"
> >  
> >  # old sockopt interface and eval loop
> >  config IP6_NF_IPTABLES_LEGACY
> > -	tristate
> > +	tristate "Legacy IP6 tables support"
> > +	depends on INET && IPV6
> > +	select NETFILTER_XTABLES
> > +	default n
> > +	help
> > +	  ip6tables is a legacy packet classification.
> 
>                                 Is "packet classifier" the right term?
> 
> I can mangle this patch before applying, no need to send one more.

Thanks
--breno