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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.
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