Add private ipv6 addrs

Author: galt-tr

client.go

@@ -714,12 +714,17 @@ func isPrivateIP(addr multiaddr.Multiaddr) bool {
 		return false
 	}
 
-	// Define private IPv4 ranges
+	// Define private IPv4 and IPv6 ranges
 	privateRanges := []*net.IPNet{
+		// IPv4
 		{IP: net.ParseIP("10.0.0.0"), Mask: net.CIDRMask(8, 32)},
 		{IP: net.ParseIP("172.16.0.0"), Mask: net.CIDRMask(12, 32)},
 		{IP: net.ParseIP("192.168.0.0"), Mask: net.CIDRMask(16, 32)},
 		{IP: net.ParseIP("127.0.0.0"), Mask: net.CIDRMask(8, 32)},
+		// IPv6
+		{IP: net.ParseIP("fc00::"), Mask: net.CIDRMask(7, 128)},  // Unique local address
+		{IP: net.ParseIP("fe80::"), Mask: net.CIDRMask(10, 128)}, // Link-local unicast
+		{IP: net.ParseIP("::1"), Mask: net.CIDRMask(128, 128)},   // Loopback
 	}
 
 	// Check if the IP falls into any of the private ranges

example/main.go

@@ -63,11 +63,12 @@ func main() {
 
 	// Create P2P client
 	client, err := p2p.NewClient(p2p.Config{
-		Name:          *name,
-		Logger:        logger,
-		PrivateKey:    privKey,
-		Port:          *port,
-		PeerCacheFile: "peer_cache.json", // Enable peer persistence
+		Name:            *name,
+		Logger:          logger,
+		PrivateKey:      privKey,
+		Port:            *port,
+		AllowPrivateIPs: false,
+		PeerCacheFile:   "peer_cache.json", // Enable peer persistence
 	})
 	if err != nil {
 		logger.Fatalf("Failed to create P2P client: %v", err)