Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx> writes: > __nf_ct_try_assign_helper() remains in place but it now requires a > template to configure the helper. > > A toggle to disable automatic helper assignment was added by: > > a9006892643a ("netfilter: nf_ct_helper: allow to disable automatic helper assignment") > > in 2012 to address the issues described in "Secure use of iptables and > connection tracking helpers". Automatic conntrack helper assignment was > disabled by: > > 3bb398d925ec ("netfilter: nf_ct_helper: disable automatic helper assignment") > > back in 2016. > > This patch removes the sysctl toggle, users now have to rely on explicit > conntrack helper configuration via ruleset. > > Signed-off-by: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx> > --- Acked-by: Aaron Conole <aconole@xxxxxxxxxx> Ilya / Pravin, We will likely need to make a change in the ovs test-suite from: sysctl -w net.netfilter.nf_conntrack_helper=0 to: sysctl -ew net.netfilter.nf_conntrack_helper=0 I will cook up a quick patch -Aaron