|
Hello,
On Thu, 12 Jul 2012, Pablo Neira Ayuso wrote:
> On Wed, Jul 11, 2012 at 09:25:26AM +0900, Simon Horman wrote:
> > From: Julian Anastasov <ja@xxxxxx>
> >
> > The FTP application indirectly depends on the
> > nf_conntrack_ftp helper for proper NAT support. If the
> > module is not loaded, IPVS can resize the packets for the
> > command connection, eg. PASV response but the SEQ adjustment
> > logic in ipv4_confirm is not called without helper.
> >
> > Signed-off-by: Julian Anastasov <ja@xxxxxx>
> > Signed-off-by: Simon Horman <horms@xxxxxxxxxxxx>
> > ---
> > net/netfilter/ipvs/Kconfig | 3 ++-
> > 1 file changed, 2 insertions(+), 1 deletion(-)
> >
> > diff --git a/net/netfilter/ipvs/Kconfig b/net/netfilter/ipvs/Kconfig
> > index f987138..8b2cffd 100644
> > --- a/net/netfilter/ipvs/Kconfig
> > +++ b/net/netfilter/ipvs/Kconfig
> > @@ -250,7 +250,8 @@ comment 'IPVS application helper'
> >
> > config IP_VS_FTP
> > tristate "FTP protocol helper"
> > - depends on IP_VS_PROTO_TCP && NF_CONNTRACK && NF_NAT
> > + depends on IP_VS_PROTO_TCP && NF_CONNTRACK && NF_NAT && \
> > + NF_CONNTRACK_FTP
>
> If you require FTP NAT support, then this depends on NF_NAT_FTP
> instead of NF_CONNTRACK_FTP.
No, I just checked again, it works without nf_nat_ftp,
only nf_nat, nf_conntrack_ftp and iptable_nat are needed.
We use packet mangling part from nf_nat (nf_nat_mangle_tcp_packet).
Regards
--
Julian Anastasov <ja@xxxxxx>
--
To unsubscribe from this list: send the line "unsubscribe lvs-devel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
|
