public static WafHandle newDefaultInstance() {
        WafHandle wafHandle = new WafHandle();
        wafHandle.setPermission(WafEnum.REJECT.getName());
        wafHandle.setStatusCode("403");
        return wafHandle;
    }
New default instance waf handle.

@return the waf handle
shenyu-common/src/main/java/org/apache/shenyu/common/dto/convert/rule/WafHandle.java