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kube-proxy: filter INPUT as well as OUTPUT

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We need to apply filter rules on the way in (nodeports) and out (cluster
IPs).  Testing here is insufficient to have caught this - will come back
for that.
This commit is contained in:
Tim Hockin 2017-04-02 23:37:19 -07:00
parent 81545c2922
commit 9a423b6c6b
1 changed files with 2 additions and 0 deletions
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2
pkg/proxy/iptables/proxier.go
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@ -357,6 +357,7 @@ func CleanupLeftovers(ipt utiliptables.Interface) (encounteredError bool) {
table utiliptables.Table
chain utiliptables.Chain
}{
{utiliptables.TableFilter, utiliptables.ChainInput},
{utiliptables.TableFilter, utiliptables.ChainOutput},
{utiliptables.TableNAT, utiliptables.ChainOutput},
{utiliptables.TableNAT, utiliptables.ChainPrerouting},
@ -790,6 +791,7 @@ func (proxier *Proxier) syncProxyRules() {
table utiliptables.Table
chain utiliptables.Chain
}{
{utiliptables.TableFilter, utiliptables.ChainInput},
{utiliptables.TableFilter, utiliptables.ChainOutput},
{utiliptables.TableNAT, utiliptables.ChainOutput},
{utiliptables.TableNAT, utiliptables.ChainPrerouting},