diff --git a/web/src/main/java/org/springframework/security/web/PortResolver.java b/web/src/main/java/org/springframework/security/web/PortResolver.java
index 501b1b4329..98758d1776 100644
--- a/web/src/main/java/org/springframework/security/web/PortResolver.java
+++ b/web/src/main/java/org/springframework/security/web/PortResolver.java
@@ -31,6 +31,14 @@ import jakarta.servlet.ServletRequest;
  */
 public interface PortResolver {
 
+	PortResolver NO_OP = new PortResolver() {
+
+		@Override
+		public int getServerPort(ServletRequest request) {
+			return request.getServerPort();
+		}
+	};
+
 	/**
 	 * Indicates the port the <code>ServletRequest</code> was received on.
 	 * @param request that the method should lookup the port for