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portmap: fix bug that new udp connection deletes all existing conntrack entries #705

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merged 1 commit into from
Feb 23, 2022
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portmap: fix bug that new udp connection deletes all existing conntrack entries #705

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2 changes: 1 addition & 1 deletion pkg/utils/conntrack.go
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Original file line number Diff line number Diff line change
Expand Up @@ -62,8 +62,8 @@ func DeleteConntrackEntriesForDstIP(dstIP string, protocol uint8) error {
// by the given destination port, protocol and IP family
func DeleteConntrackEntriesForDstPort(port uint16, protocol uint8, family netlink.InetFamily) error {
filter := &netlink.ConntrackFilter{}
filter.AddPort(netlink.ConntrackOrigDstPort, port)
filter.AddProtocol(protocol)
filter.AddPort(netlink.ConntrackOrigDstPort, port)

_, err := netlink.ConntrackDeleteFilter(netlink.ConntrackTable, family, filter)
if err != nil {
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