0 is used by Hop-by-hop header and so this may cause confusion.
255 is stated as 'Reserved' by IANA.
Signed-off-by: Christoph Paasch <christoph.paasch@xxxxxxxxxxxxxxxxxxxx>
---
net/netfilter/nf_conntrack_proto_generic.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/net/netfilter/nf_conntrack_proto_generic.c
b/net/netfilter/nf_conntrack_proto_generic.c
index 4be80d7..829374f 100644
--- a/net/netfilter/nf_conntrack_proto_generic.c
+++ b/net/netfilter/nf_conntrack_proto_generic.c
@@ -92,7 +92,7 @@ static struct ctl_table generic_compat_sysctl_table[] = {
struct nf_conntrack_l4proto nf_conntrack_l4proto_generic __read_mostly =
{
.l3proto = PF_UNSPEC,
- .l4proto = 0,
+ .l4proto = 255,
.name = "unknown",
.pkt_to_tuple = generic_pkt_to_tuple,
.invert_tuple = generic_invert_tuple,
--
1.5.6.3
--
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