proxy protocol: fix detect method for IPV4 and IPV6
@@ -521,7 +521,7 @@ func HandleTcpWorkConnection(localInfo *config.LocalSvrConf, proxyPlugin plugin.
DestinationPort: m.DstPort,
}
- if h.SourceAddress.To16() == nil {
+ if strings.Contains(m.SrcAddr, ".") {
h.TransportProtocol = pp.TCPv4
} else {
h.TransportProtocol = pp.TCPv6
