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fix

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This commit is contained in:
Alex Tsai 2021-05-10 15:30:18 +08:00
parent fd7e3f9cf7
commit 4cc118f40d
1 changed files with 1 additions and 1 deletions
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2
common/netutil/netutil.go
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@ -47,7 +47,7 @@ func GetAddr(b []byte) (srcAddr string, dstAddr string) {
} }
func GetPort(b []byte) (srcPort string, dstPort string) { func GetPort(b []byte) (srcPort string, dstPort string) {
packet := gopacket.NewPacket(b, layers.LayerTypeEthernet, gopacket.Default) packet := gopacket.NewPacket(b, layers.LayerTypeIPv4, gopacket.Default)
if tcpLayer := packet.Layer(layers.LayerTypeTCP); tcpLayer != nil { if tcpLayer := packet.Layer(layers.LayerTypeTCP); tcpLayer != nil {
tcp, _ := tcpLayer.(*layers.TCP) tcp, _ := tcpLayer.(*layers.TCP)
return tcp.SrcPort.String(), tcp.DstPort.String() return tcp.SrcPort.String(), tcp.DstPort.String()