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Wang , Deng Ke
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Reviewed-by: Boka, Ladislav <ladislav.boka@t-systems.com> Co-authored-by: Wang , Deng Ke <wangdengke2@huawei.com> Co-committed-by: Wang , Deng Ke <wangdengke2@huawei.com>
19 lines
2.1 KiB
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19 lines
2.1 KiB
HTML
<a name="dds_02_0049"></a><a name="dds_02_0049"></a>
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<h1 class="topictitle1">Setting a Security Group</h1>
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<div id="body1522808547322"><div class="section" id="dds_02_0049__en-us_topic_0105284937_section3152058916230"><h4 class="sectiontitle"><strong id="dds_02_0049__b6455183611343">Scenarios</strong></h4><p id="dds_02_0049__en-us_topic_0105284937_p43222116204125">This section guides you on how to add a security group rule to control access from and to <span class="keyword" id="dds_02_0049__keyword67053543120">DDS DB instances</span> associated with a security group. The following describes how to set security groups.</p>
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<div class="section" id="dds_02_0049__en-us_topic_0105284937_section14550984204232"><h4 class="sectiontitle">Precautions</h4><p id="dds_02_0049__en-us_topic_0105284937_p5854544204125">The default security group rule allows all outgoing data packets. By default<strong id="dds_02_0049__b212019496525">,</strong> ECSs and DDS DB instances in the same security group can access each other. After a security group is created, you can create different rules for that security group, which allows you to control access to the DB instances that are in it.</p>
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<p id="dds_02_0049__en-us_topic_0105284937_p41200900204125">To access a DB instance in a security group from a source outside of that group, you need to create an inbound rule.</p>
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<p id="dds_02_0049__p1801181718287">For details about the constraints on using security groups, see "Security Group Overview" in the <em id="dds_02_0049__i9261191813381">Virtual Private Cloud User Guide</em>.</p>
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<div class="section" id="dds_02_0049__section6250135215227"><h4 class="sectiontitle">Procedure</h4><p id="dds_02_0049__p1973013172619">For details about setting a security group, see "Adding a Security Group Rule" in the <em id="dds_02_0049__i633662820239">Virtual Private Cloud User Guide</em>.</p>
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<div class="parentlink"><strong>Parent topic:</strong> <a href="dds_02_0055.html">Connecting to a Replica Set Instance Over Private Networks</a></div>
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