[PATCH 1/2] ipvs: ip_vs_ftp depends on nf_conntrack_ftp helper

To: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>
Subject: [PATCH 1/2] ipvs: ip_vs_ftp depends on nf_conntrack_ftp helper
Cc: lvs-devel@xxxxxxxxxxxxxxx, netdev@xxxxxxxxxxxxxxx, netfilter-devel@xxxxxxxxxxxxxxx, Wensong Zhang <wensong@xxxxxxxxxxxx>, Julian Anastasov <ja@xxxxxx>, Hans Schillstrom <hans.schillstrom@xxxxxxxxxxxx>, Jesper Dangaard Brouer <brouer@xxxxxxxxxx>, Simon Horman <horms@xxxxxxxxxxxx>
From: Simon Horman <horms@xxxxxxxxxxxx>
Date: Wed, 11 Jul 2012 09:25:26 +0900
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
        select IP_VS_NFCT
          FTP is a protocol that transfers IP address and/or port number in

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