netfilter: fix nf_conntrack_helper documentation
Since kernel 4.7 this defaults to off.
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
diff --git a/Documentation/networking/nf_conntrack-sysctl.txt b/Documentation/networking/nf_conntrack-sysctl.txt
index 399e4e8..433b672 100644
--- a/Documentation/networking/nf_conntrack-sysctl.txt
+++ b/Documentation/networking/nf_conntrack-sysctl.txt
@@ -62,10 +62,13 @@
protocols.
nf_conntrack_helper - BOOLEAN
- 0 - disabled
- not 0 - enabled (default)
+ 0 - disabled (default)
+ not 0 - enabled
Enable automatic conntrack helper assignment.
+ If disabled it is required to set up iptables rules to assign
+ helpers to connections. See the CT target description in the
+ iptables-extensions(8) man page for further information.
nf_conntrack_icmp_timeout - INTEGER (seconds)
default 30