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Qin Ying, Fan
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Reviewed-by: Kucerak, Kristian <kristian.kucerak@t-systems.com> Co-authored-by: Qin Ying, Fan <fanqinying@huawei.com> Co-committed-by: Qin Ying, Fan <fanqinying@huawei.com>
17 lines
2.1 KiB
HTML
17 lines
2.1 KiB
HTML
<a name="FlowLog_0002"></a><a name="FlowLog_0002"></a>
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<h1 class="topictitle1">VPC Flow Log Overview</h1>
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<div id="body8662426"><p id="FlowLog_0002__en-us_topic_0151014680_p8060118">A VPC flow log records information about the traffic going to and from a VPC. VPC flow logs help you monitor network traffic, analyze network attacks, and determine whether security group and <span id="FlowLog_0002__en-us_topic_0151014680_text11248715171311">firewall</span><span id="FlowLog_0002__en-us_topic_0151014680_text45551720134"></span> rules require modification.</p>
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<p id="FlowLog_0002__en-us_topic_0151014680_p38692616421">VPC flow logs must be used together with the Log Tank Service (LTS). Before you create a VPC flow log, you need to create a log group and a log topic in LTS. <a href="#FlowLog_0002__en-us_topic_0151014680_fig1535115691415">Figure 1</a> shows the process for configuring the VPC flow log function.</p>
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<div class="fignone" id="FlowLog_0002__en-us_topic_0151014680_fig1535115691415"><a name="FlowLog_0002__en-us_topic_0151014680_fig1535115691415"></a><a name="en-us_topic_0151014680_fig1535115691415"></a><span class="figcap"><b>Figure 1 </b>Configuring the VPC flow log function</span><br><span><img class="vsd" id="FlowLog_0002__en-us_topic_0151014680_image9661037927" src="en-us_image_0162336264.png"></span></div>
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<p id="FlowLog_0002__en-us_topic_0151014680_p1137789316"></p>
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<div class="section" id="FlowLog_0002__en-us_topic_0151014680_section1095231112517"><h4 class="sectiontitle">Notes and Constraints</h4><ul id="FlowLog_0002__en-us_topic_0151014680_ul18195045135317"><li id="FlowLog_0002__en-us_topic_0151014680_li13405622115110">Currently, only C3, M3, and S2 ECSs support VPC flow logs.</li><li id="FlowLog_0002__en-us_topic_0151014680_li21719253511">By default, you can create a maximum of 10 VPC flow logs.</li><li id="FlowLog_0002__en-us_topic_0151014680_li1919544520532">By default, a maximum of 400,000 flow log records are supported.</li></ul>
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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="FlowLog_0001.html">VPC Flow Log</a></div>
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</div>
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</div>
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