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