vpn_umn1
Reviewed-by: Sarda, Priya <prsarda@noreply.gitea.eco.tsi-dev.otc-service.com> Co-authored-by: Hongwei, King Wang <king.wanghongwei@huawei.com> Co-committed-by: Hongwei, King Wang <king.wanghongwei@huawei.com>
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<a name="en-us_topic_0013748715"></a><a name="en-us_topic_0013748715"></a>
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<h1 class="topictitle1">Creating a Security Group</h1>
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<div id="body1172mcpsimp"><div class="section" id="en-us_topic_0013748715__section134709912516"><h4 class="sectiontitle">Scenarios</h4><p id="en-us_topic_0013748715__p1174mcpsimp">To improve ECS access security, you can create a security group, define security group rules, and add ECSs in the VPC to the security group. We recommend that you allocate ECSs that have different Internet access policies to different security groups.</p>
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<div class="section" id="en-us_topic_0013748715__section184621259517"><h4 class="sectiontitle">Procedure</h4><ol id="en-us_topic_0013748715__ol1176mcpsimp"><li id="en-us_topic_0013748715__li1177mcpsimp">Log in to the management console.</li><li class="msonormal" id="en-us_topic_0013748715__li1178mcpsimp">Click <span><img id="en-us_topic_0013748715__image128" src="en-us_image_0000001455916097.png"></span> in the upper left corner and select the desired region and project.</li><li id="en-us_topic_0013748715__li1179mcpsimp">On the console homepage, under <strong id="en-us_topic_0013748715__b1180mcpsimp">Network</strong>, click <strong id="en-us_topic_0013748715__b1181mcpsimp">Virtual Private Cloud</strong>.</li><li id="en-us_topic_0013748715__li1182mcpsimp">In the navigation pane on the left, choose <strong id="en-us_topic_0013748715__b1183mcpsimp">Access Control </strong>> <strong id="en-us_topic_0013748715__b1184mcpsimp">Security Groups</strong>.</li><li id="en-us_topic_0013748715__li1185mcpsimp">On the <strong id="en-us_topic_0013748715__b1186mcpsimp">Security Groups </strong>page, click <strong id="en-us_topic_0013748715__b1187mcpsimp">Create Security Group</strong>.</li><li id="en-us_topic_0013748715__li1188mcpsimp">In the <strong id="en-us_topic_0013748715__b1189mcpsimp">Create Security Group </strong>area, set the parameters as prompted. <a href="#en-us_topic_0013748715__table1200mcpsimp">Table 1</a> lists the parameters to be configured.<div class="fignone" id="en-us_topic_0013748715__fig551360969"><span class="figcap"><b>Figure 1 </b>Create Security Group</span><br><span><img id="en-us_topic_0013748715__image129" src="en-us_image_0000001455555929.png"></span></div>
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<div class="tablenoborder"><a name="en-us_topic_0013748715__table1200mcpsimp"></a><a name="table1200mcpsimp"></a><table cellpadding="4" cellspacing="0" summary="" id="en-us_topic_0013748715__table1200mcpsimp" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Parameter description</caption><thead align="left"><tr id="en-us_topic_0013748715__row1206mcpsimp"><th align="left" class="cellrowborder" valign="top" width="18.18%" id="mcps1.3.2.2.6.4.2.4.1.1"><p id="en-us_topic_0013748715__p1208mcpsimp"><strong id="en-us_topic_0013748715__b1209mcpsimp">Parameter</strong></p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="61.62%" id="mcps1.3.2.2.6.4.2.4.1.2"><p id="en-us_topic_0013748715__p1211mcpsimp"><strong id="en-us_topic_0013748715__b1212mcpsimp">Description</strong></p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="20.200000000000003%" id="mcps1.3.2.2.6.4.2.4.1.3"><p id="en-us_topic_0013748715__p1214mcpsimp"><strong id="en-us_topic_0013748715__b1215mcpsimp">Example Value</strong></p>
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<tbody><tr id="en-us_topic_0013748715__row1216mcpsimp"><td class="cellrowborder" valign="top" width="18.18%" headers="mcps1.3.2.2.6.4.2.4.1.1 "><p id="en-us_topic_0013748715__p1218mcpsimp">Name</p>
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</td>
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<td class="cellrowborder" valign="top" width="61.62%" headers="mcps1.3.2.2.6.4.2.4.1.2 "><p id="en-us_topic_0013748715__p1220mcpsimp">Specifies the security group name. This parameter is mandatory.</p>
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<p id="en-us_topic_0013748715__p1221mcpsimp">The security group name can contain a maximum of 64 characters, which may consist of letters, digits, underscores (_), hyphens (-), and periods (.). The name cannot contain spaces.</p>
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<div class="note" id="en-us_topic_0013748715__note751718261777"><span class="notetitle"> NOTE: </span><div class="notebody"><p id="en-us_topic_0013748715__p1224mcpsimp">You can change the security group name after a security group is created. It is recommended that you use different names for different security groups.</p>
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</div></div>
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</td>
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<td class="cellrowborder" valign="top" width="20.200000000000003%" headers="mcps1.3.2.2.6.4.2.4.1.3 "><p id="en-us_topic_0013748715__p1226mcpsimp">sg-318b</p>
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</td>
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<tr id="en-us_topic_0013748715__row1227mcpsimp"><td class="cellrowborder" valign="top" width="18.18%" headers="mcps1.3.2.2.6.4.2.4.1.1 "><p id="en-us_topic_0013748715__p1229mcpsimp">Description</p>
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</td>
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<td class="cellrowborder" valign="top" width="61.62%" headers="mcps1.3.2.2.6.4.2.4.1.2 "><p id="en-us_topic_0013748715__p1231mcpsimp">Provides supplementary information about the security group. This parameter is optional.</p>
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<p id="en-us_topic_0013748715__p1232mcpsimp">The security group description can contain a maximum of 255 characters and cannot contain angle brackets (< or >).</p>
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</td>
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<td class="cellrowborder" valign="top" width="20.200000000000003%" headers="mcps1.3.2.2.6.4.2.4.1.3 "><p id="en-us_topic_0013748715__p1234mcpsimp">N/A</p>
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</li><li id="en-us_topic_0013748715__li14648630764">Click <strong id="en-us_topic_0013748715__b1237mcpsimp">OK</strong>.</li></ol>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="en-us_topic_0035634996.html">(Optional) Configure Security Group Rules</a></div>
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<a name="en-us_topic_0030969471"></a><a name="en-us_topic_0030969471"></a>
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<h1 class="topictitle1">Deleting a Security Group Rule</h1>
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<div id="body1421mcpsimp"><div class="section" id="en-us_topic_0030969471__section1518885551420"><h4 class="sectiontitle">Scenarios</h4><p id="en-us_topic_0030969471__p1423mcpsimp">If the source of an inbound security group rule or destination of an outbound security group rule needs to be changed, you need to first delete the security group rule and add a new one.</p>
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<div class="note" id="en-us_topic_0030969471__note58289814157"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="en-us_topic_0030969471__p128280891520">Security group rules use whitelists. Deleting a security group rule may result in ECS access failures. Exercise caution when deleting security group rules.</p>
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</div></div>
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</div>
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<div class="section" id="en-us_topic_0030969471__section155091121111519"><h4 class="sectiontitle">Procedure</h4><ol id="en-us_topic_0030969471__ol1427mcpsimp"><li id="en-us_topic_0030969471__li1428mcpsimp">Log in to the management console.</li><li class="msonormal" id="en-us_topic_0030969471__li1429mcpsimp">Click <span><img id="en-us_topic_0030969471__image141" src="en-us_image_0000001405640430.png"></span> in the upper left corner and select the desired region and project.</li><li id="en-us_topic_0030969471__li1430mcpsimp">On the console homepage, under <strong id="en-us_topic_0030969471__b1431mcpsimp">Network</strong>, click <strong id="en-us_topic_0030969471__b1432mcpsimp">Virtual Private Cloud</strong>.</li><li id="en-us_topic_0030969471__li1433mcpsimp">In the navigation pane on the left, choose <strong id="en-us_topic_0030969471__b1434mcpsimp">Access Control </strong>> <strong id="en-us_topic_0030969471__b1435mcpsimp">Security Groups</strong>.</li><li id="en-us_topic_0030969471__li1436mcpsimp">On the <strong id="en-us_topic_0030969471__b1437mcpsimp">Security Groups </strong>page, click the security group name.</li><li id="en-us_topic_0030969471__li1438mcpsimp">If you do not need a security group rule, locate the row that contains the target rule, and click <strong id="en-us_topic_0030969471__b1439mcpsimp">Delete</strong>.</li><li id="en-us_topic_0030969471__li1440mcpsimp">Click <strong id="en-us_topic_0030969471__b1441mcpsimp">Yes </strong>in the displayed dialog box.</li></ol>
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<p id="en-us_topic_0030969471__p1662622110163"><strong id="en-us_topic_0030969471__b1935712713164">Deleting Multiple Security Group Rules at Once.</strong></p>
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<p id="en-us_topic_0030969471__p1443mcpsimp">You can also select multiple security group rules and click <strong id="en-us_topic_0030969471__b1444mcpsimp">Delete </strong>above the security group rule list to delete multiple rules at a time.</p>
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</div>
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</div>
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<div>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="en-us_topic_0035634996.html">(Optional) Configure Security Group Rules</a></div>
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<a name="en-us_topic_0035391295"></a><a name="en-us_topic_0035391295"></a>
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<h1 class="topictitle1">Modifying a VPN</h1>
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<div id="body1512mcpsimp"><div class="section" id="en-us_topic_0035391295__section313595152013"><h4 class="sectiontitle">Scenarios</h4><p id="en-us_topic_0035391295__p1514mcpsimp">If the VPN network information conflicts the VPC network information or you need to adjust VPN configurations, you can modify a VPN.</p>
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</div>
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<div class="section" id="en-us_topic_0035391295__section5347177218"><h4 class="sectiontitle">Procedure</h4><ol id="en-us_topic_0035391295__ol1516mcpsimp"><li id="en-us_topic_0035391295__li1517mcpsimp">Log in to the management console.</li><li class="msonormal" id="en-us_topic_0035391295__li1518mcpsimp">Click <span><img id="en-us_topic_0035391295__image151" src="en-us_image_0000001455845961.png"></span> in the upper left corner and select a region and project.</li><li id="en-us_topic_0035391295__li1519mcpsimp">On the console homepage, under <strong id="en-us_topic_0035391295__b1520mcpsimp">Network</strong>, click <strong id="en-us_topic_0035391295__b1521mcpsimp">Virtual Private Network</strong>.</li><li id="en-us_topic_0035391295__li1522mcpsimp">On the <strong id="en-us_topic_0035391295__b1523mcpsimp">Virtual Private Network </strong>page, locate the target VPN and click <strong id="en-us_topic_0035391295__b72506428210">Modify.</strong></li><li id="en-us_topic_0035391295___bookmark43">In the displayed dialog box, set parameters as prompted.<div class="fignone" id="en-us_topic_0035391295__fig32988302218"><a name="en-us_topic_0035391295__fig32988302218"></a><a name="fig32988302218"></a><span class="figcap"><b>Figure 1 </b>Modifying a VPN</span><br><span><img id="en-us_topic_0035391295__image153" src="en-us_image_0000001405646142.png"></span></div>
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</li><li id="en-us_topic_0035391295__li293815148227">Click <strong id="en-us_topic_0035391295__b1530mcpsimp">OK</strong>.</li></ol>
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</div>
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</div>
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<div>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="en-us_topic_0035391378.html">Management</a></div>
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</div>
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