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wf: loopback condition should use MatchTypeFlagsAllSet.

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Signed-off-by: Maisem Ali <maisem@tailscale.com>
This commit is contained in:
Maisem Ali 2021-06-15 23:35:36 -07:00 committed by Maisem Ali
parent 48c25fa36f
commit 2919b3e3e6
1 changed files with 2 additions and 2 deletions
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4
wf/firewall.go
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@ -152,7 +152,7 @@ func (f *Firewall) enable() error {
return fmt.Errorf("permitDNS failed: %w", err) return fmt.Errorf("permitDNS failed: %w", err)
} }
if err := f.permitLoopback(weightKnownTraffic); err != nil { if err := f.permitLoopback(weightTailscaleTraffic); err != nil {
return fmt.Errorf("permitLoopback failed: %w", err) return fmt.Errorf("permitLoopback failed: %w", err)
} }
@ -457,7 +457,7 @@ func (f *Firewall) permitLoopback(w weight) error {
condition := []*wf.Match{ condition := []*wf.Match{
{ {
Field: wf.FieldFlags, Field: wf.FieldFlags,
Op: wf.MatchTypeEqual, Op: wf.MatchTypeFlagsAllSet,
Value: wf.ConditionFlagIsLoopback, Value: wf.ConditionFlagIsLoopback,
}, },
} }