<p class="shortdesc">本文主要介绍如何开通白名单。</p> <section class="section prereq" id="CWhitelist__prereq_blc_xjy_gsb"><div class="tasklabel"><h2 class="doc-tairway">前提条件</h2></div> <ol class="ol" id="CWhitelist__ol_lyh_xjy_gsb"> <li class="li">您已成功创建<a class="xref" href="/ssr/help/database/MySQL/Guide.IM.CIns.CCom" target="_blank" rel="external noopener">创建常规实例</a>。</li> <li class="li">您已成功创建ECS，可参考<a class="xref" href="/ssr/help/database/MySQL/quick.CECS" target="_blank" rel="external noopener">创建ECS</a>。</li> </ol> </section> <section class="section context"><div class="tasklabel"><h2 class="doc-tairway">背景信息</h2></div> <p class="p">若开通白名单之后，应用仍然无法连接数据库实例，请提交<a class="xref" href="http://srvbot.paic.com.cn/#/app/requestManagement/request-new/94f98214-f02b-41a0-80a1-0ab4511bf7f2" target="_blank" rel="external noopener">srvbot</a>开通防火墙。</p> </section> <section><div class="tasklabel"><h2 class="doc-tairway">操作步骤</h2></div><ol class="ol steps"><li class="li step"> <span class="ph cmd">以资源组管理员身份登录<a class="xref" href="https://www.ocftcloud.com/console/rds/mysql" target="_blank" rel="external noopener">RDS-MySQL管理控制台</a>。</span> </li><li class="li step"> <span class="ph cmd">单击左侧导航栏<span class="ph uicontrol">RDS-MySQL</span>，进入<span class="ph uicontrol">云数据库管理</span>页面。</span> </li><li class="li step"> <span class="ph cmd">选择目标地域。</span> </li><li class="li step"> <span class="ph cmd">单击目标实例<span class="ph uicontrol">操作</span>列的<span class="ph uicontrol">管理</span>，选择<span class="ph uicontrol">数据安全</span>页签。</span> </li><li class="li step"> <span class="ph cmd">在<span class="ph uicontrol">白名单列表</span>区域，单击右上角<span class="ph uicontrol">开通白名单</span>，进入<span class="ph uicontrol">新增白名单</span>页面。</span> </li><li class="li step"> <span class="ph cmd">勾选目标ECS的所在网段，并单击<span class="ph uicontrol">确认</span>。</span> </li></ol></section> <section class="section result"><div class="tasklabel"><h2 class="doc-tairway">执行结果</h2></div> <p class="p">在<span class="ph uicontrol">白名单列表</span>区域，目标<span class="ph uicontrol">子网IP</span>的<span class="ph uicontrol">状态</span>由<span class="ph uicontrol">创建中</span>显示为<span class="ph uicontrol">可用</span>，表示白名单开通成功。</p> </section>