<p class="shortdesc"></p> <section class="section" id="Manage_Instance_SecurityGroup__section_xcz_cks_svb"><h2 class="doc-tairway">关联实例</h2> <p class="p">云服务ECS实例可以关联安全组的数量是4个，此数量限制为固定的，无法更改。</p> <p class="p"><strong class="ph b">前提条件</strong></p> <ol class="ol" id="Manage_Instance_SecurityGroup__ol_bvp_fks_svb"> <li class="li">已创建安全组。</li> <li class="li">已在创建安全组时所选择的VPC内创建云主机实例，且该云主机实例创建时未绑定该安全组。</li> </ol> <p class="p"><strong class="ph b">操作步骤</strong></p> <ol class="ol" id="Manage_Instance_SecurityGroup__ol_gc1_3ks_svb"> <li class="li">登录<a class="xref" href="https://www.ocftcloud.com/console/ecs/overview" target="_blank" rel="external noopener">云服务器ECS控制台</a>。</li> <li class="li">单击左侧导航栏<span class="ph menucascade"><span class="ph uicontrol">网络</span><abbr> > </abbr><span class="ph uicontrol">安全组</span></span>，进入<span class="ph uicontrol">安全组</span>页面。</li> <li class="li">选择安全组所在地域。</li> <li class="li">单击目标安全组的名称，进入<span class="ph uicontrol">安全组详情</span>页面。</li> <li class="li">切换到需要添加安全组的<span class="ph uicontrol">实例</span>页签，单击右上角的<span class="ph uicontrol">添加</span>，弹出<span class="ph uicontrol">关联实例</span>对话框。<div class="note note note_note" id="Manage_Instance_SecurityGroup__note_kmt_3ks_svb"><span class="note__title">说明：</span> 关联实例对话框中仅显示未绑定该安全组的云主机实例。</div></li> <li class="li">勾选想要关联到该安全组的云主机实例，单击<span class="ph uicontrol">确认</span>，页面下方会弹出<span class="ph uicontrol">操作成功</span>的提示，完成实例的关联。</li> </ol> </section> <section class="section" id="Manage_Instance_SecurityGroup__section_tcq_pks_svb"><h2 class="doc-tairway">移除单个实例</h2> <p class="p">该操作是将实例从安全组中移除，并不会删除云服务器ECS实例本身。</p> <p class="p"><strong class="ph b">前提条件</strong></p> <p class="p">安全组内已有关联的云服务器ECS实例。</p> <p class="p"><strong class="ph b">限制说明</strong> </p> <p class="p">每个云服务器ECS实例必须关联一个安全组，如果想要移除的云服务器ECS实例只关联了该安全组，则该云服务器ECS实例无法被移除。</p> <p class="p"><strong class="ph b">操作步骤</strong></p> <ol class="ol" id="Manage_Instance_SecurityGroup__ol_z5s_rks_svb"> <li class="li">登录<a class="xref" href="https://www.ocftcloud.com/console/ecs/overview" target="_blank" rel="external noopener">云服务器ECS控制台</a>。</li> <li class="li">单击左侧导航栏<span class="ph menucascade"><span class="ph uicontrol">网络</span><abbr> > </abbr><span class="ph uicontrol">安全组</span></span>，进入<span class="ph uicontrol">安全组</span>页面。</li> <li class="li">选择安全 组所在地域。</li> <li class="li">单击目标安全组的名称，进入<span class="ph uicontrol">安全组详情</span>页面。</li> <li class="li">在<span class="ph uicontrol">实例</span>页签，单击目标实例<span class="ph uicontrol">操作</span>列的<span class="ph uicontrol">删除</span>，弹出<span class="ph uicontrol">确认</span>对话框，询问是否确认删除云服务器ECS实例。</li> <li class="li">单击<span class="ph uicontrol">确认</span>，页面下方会弹出<span class="ph uicontrol">操作成功</span>的提示。</li> </ol> </section> <section class="section" id="Manage_Instance_SecurityGroup__section_jh4_1ls_svb"><h2 class="doc-tairway">批量移除实例</h2> <p class="p">该操作是将实例从安全组中移除，并不会删除云服务器ECS实例本身。</p> <p class="p"><strong class="ph b">前提条件</strong></p> <p class="p">安全组内已有多个关联的云服务器ECS实例。</p> <p class="p"><strong class="ph b">限制说明</strong></p> <p class="p">每个云服务器ECS实例必须关联一个安全组，如果想要移除的云服务器ECS实例只关联了该安全组，则该云服务器ECS实例无法被移除。</p> <p class="p"><strong class="ph b">操作步骤</strong></p> <ol class="ol" id="Manage_Instance_SecurityGroup__ol_j2l_cls_svb"> <li class="li">登录<a class="xref" href="http://ocftcloud.com/console/ecs/instance" target="_blank" rel="external noopener">云服务器ECS控制台</a>。</li> <li class="li">单击左侧导航栏<span class="ph menucascade"><span class="ph uicontrol">网络</span><abbr> > </abbr><span class="ph uicontrol">安全组</span></span>，进入<span class="ph uicontrol">安全组</span>页面。</li> <li class="li">选择安全组所在地域。</li> <li class="li">单击目标安全组的名称，进入<span class="ph uicontrol">安全组详情</span>页面。</li> <li class="li">切换到需要移除安全组的<span class="ph uicontrol">实例</span>页签，勾选多个想要移除的实例，单击<span class="ph uicontrol">释放</span>，弹出<strong class="ph b">确认</strong>对话框，询问是否确认删除云主机实例。</li> <li class="li">单击<span class="ph uicontrol">确认</span>，页面下方会弹出<span class="ph uicontrol">操作成功</span>的提示。</li> </ol> </section>