Fix NetUtils: should ignore link-local address (#14793)

cyclinder · web-flow · commit e4c8fe9081aa · 2025-06-24T17:22:41.000+08:00
diff --git a/dubbo-common/src/main/java/org/apache/dubbo/common/utils/NetUtils.java b/dubbo-common/src/main/java/org/apache/dubbo/common/utils/NetUtils.java
@@ -221,7 +221,7 @@ public static InetSocketAddress getLocalSocketAddress(String host, int port) {
     }
 
     static boolean isValidV4Address(InetAddress address) {
-        if (address == null || address.isLoopbackAddress()) {
+        if (address == null || address.isLoopbackAddress() || address.isLinkLocalAddress()) {
             return false;
         }
 

Original file line number	Diff line number	Diff line change
`@@ -221,7 +221,7 @@ public static InetSocketAddress getLocalSocketAddress(String host, int port) {`
`221`	`221`	`}`
`222`	`222`
`223`	`223`	`static boolean isValidV4Address(InetAddress address) {`
`224`		`- if (address == null \|\| address.isLoopbackAddress()) {`
	`224`	`+ if (address == null \|\| address.isLoopbackAddress() \|\| address.isLinkLocalAddress()) {`
`225`	`225`	`return false;`
`226`	`226`	`}`
`227`	`227`