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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>
This commit is contained in:
Florian Westphal 2016-11-10 14:24:40 +01:00 committed by Pablo Neira Ayuso
parent 00b4422fe3
commit 486dcf43da
1 changed files with 5 additions and 2 deletions
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7
Documentation/networking/nf_conntrack-sysctl.txt
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@ -62,10 +62,13 @@ nf_conntrack_generic_timeout - INTEGER (seconds)
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