feat: support ip randomize in http header

common/ip-gen.go

@@ -0,0 +1,16 @@
+package common
+
+import (
+	"fmt"
+	"math/rand"
+)
+
+func GenerateIP() string {
+	// Generate a random number between 20 and 240
+	segment2 := rand.Intn(221) + 20
+	segment3 := rand.Intn(256)
+	segment4 := rand.Intn(256)
+
+	ipAddress := fmt.Sprintf("104.%d.%d.%d", segment2, segment3, segment4)
+	return ipAddress
+}