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chenjunjie 190f09501c DMS UMN 20250314 version 
Reviewed-by: Liudmila Denisova <ldenisov@noreply.gitea.eco.tsi-dev.otc-service.com>
Co-authored-by: chenjunjie <chenjunjie@huawei.com>
Co-committed-by: chenjunjie <chenjunjie@huawei.com>
2025-10-06 09:50:17 +00:00

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<a name="kafka-faq-180604024"></a><a name="kafka-faq-180604024"></a>
<h1 class="topictitle1">How Do I Select and Configure a Security Group?</h1>
<div id="body1544148145630"><p id="kafka-faq-180604024__p97741462155">Kafka instances can be accessed within a VPC, across VPCs, through DNAT, or over public networks. Before accessing a Kafka instance, configure a security group.</p>
<div class="section" id="kafka-faq-180604024__section5894512196"><h4 class="sectiontitle">Intra-VPC Access</h4><ol id="kafka-faq-180604024__ol3384101972015"><li id="kafka-faq-180604024__li1638421972015"><span>Check whether the client and instance use the same security group.</span><p><ul id="kafka-faq-180604024__ul11159131519211"><li id="kafka-faq-180604024__li1159181518212">If they use the same security group, check whether the security group has the default inbound rule that allows communication among ECSs within the security group and the default outbound rule that allows all outbound traffic. If these rules are available, you do not need to add more rules. If these rules are not available, add rules according to <a href="#kafka-faq-180604024__table1665584042410">Table 1</a>.
<div class="tablenoborder"><a name="kafka-faq-180604024__table1665584042410"></a><a name="table1665584042410"></a><table cellpadding="4" cellspacing="0" summary="" id="kafka-faq-180604024__table1665584042410" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Security group rules</caption><thead align="left"><tr id="kafka-faq-180604024__row1265554020244"><th align="left" class="cellrowborder" valign="top" width="12.22%" id="mcps1.3.2.2.1.2.1.1.2.2.7.1.1"><p id="kafka-faq-180604024__p186552040152410">Direction</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="10.52%" id="mcps1.3.2.2.1.2.1.1.2.2.7.1.2"><p id="kafka-faq-180604024__p20655194018240">Protocol</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="11.01%" id="mcps1.3.2.2.1.2.1.1.2.2.7.1.3"><p id="kafka-faq-180604024__p1493153084820">Type</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="14.01%" id="mcps1.3.2.2.1.2.1.1.2.2.7.1.4"><p id="kafka-faq-180604024__p11371386014">Port</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="16.669999999999998%" id="mcps1.3.2.2.1.2.1.1.2.2.7.1.5"><p id="kafka-faq-180604024__p1065511403241">Source</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="35.57%" id="mcps1.3.2.2.1.2.1.1.2.2.7.1.6"><p id="kafka-faq-180604024__p3655174062413">Description</p>
</th>
</tr>
</thead>
<tbody><tr id="kafka-faq-180604024__row1913814381509"><td class="cellrowborder" valign="top" width="12.22%" headers="mcps1.3.2.2.1.2.1.1.2.2.7.1.1 "><p id="kafka-faq-180604024__p151381638708">Inbound</p>
</td>
<td class="cellrowborder" valign="top" width="10.52%" headers="mcps1.3.2.2.1.2.1.1.2.2.7.1.2 "><p id="kafka-faq-180604024__p181380381504">TCP</p>
</td>
<td class="cellrowborder" valign="top" width="11.01%" headers="mcps1.3.2.2.1.2.1.1.2.2.7.1.3 "><p id="kafka-faq-180604024__p1849343012489">IPv4</p>
</td>
<td class="cellrowborder" valign="top" width="14.01%" headers="mcps1.3.2.2.1.2.1.1.2.2.7.1.4 "><p id="kafka-faq-180604024__p1613812384012">9092</p>
</td>
<td class="cellrowborder" valign="top" width="16.669999999999998%" headers="mcps1.3.2.2.1.2.1.1.2.2.7.1.5 "><p id="kafka-faq-180604024__p1313813810020">IP address or IP address group of the Kafka client</p>
</td>
<td class="cellrowborder" valign="top" width="35.57%" headers="mcps1.3.2.2.1.2.1.1.2.2.7.1.6 "><p id="kafka-faq-180604024__p14138113816018">Accessing a Kafka instance over a private network within a VPC (in plaintext)</p>
</td>
</tr>
<tr id="kafka-faq-180604024__row9543556174820"><td class="cellrowborder" valign="top" width="12.22%" headers="mcps1.3.2.2.1.2.1.1.2.2.7.1.1 "><p id="kafka-faq-180604024__p168325104915">Inbound</p>
</td>
<td class="cellrowborder" valign="top" width="10.52%" headers="mcps1.3.2.2.1.2.1.1.2.2.7.1.2 "><p id="kafka-faq-180604024__p68385164915">TCP</p>
</td>
<td class="cellrowborder" valign="top" width="11.01%" headers="mcps1.3.2.2.1.2.1.1.2.2.7.1.3 "><p id="kafka-faq-180604024__p6835564917">IPv6</p>
</td>
<td class="cellrowborder" valign="top" width="14.01%" headers="mcps1.3.2.2.1.2.1.1.2.2.7.1.4 "><p id="kafka-faq-180604024__p391712394215">9192</p>
</td>
<td class="cellrowborder" valign="top" width="16.669999999999998%" headers="mcps1.3.2.2.1.2.1.1.2.2.7.1.5 "><p id="kafka-faq-180604024__p89171039324">IP address or IP address group of the Kafka client</p>
</td>
<td class="cellrowborder" valign="top" width="35.57%" headers="mcps1.3.2.2.1.2.1.1.2.2.7.1.6 "><p id="kafka-faq-180604024__p1544556114817">Accessing a Kafka instance within a VPC (with SSL encryption disabled)</p>
</td>
</tr>
<tr id="kafka-faq-180604024__row1513814387016"><td class="cellrowborder" valign="top" width="12.22%" headers="mcps1.3.2.2.1.2.1.1.2.2.7.1.1 "><p id="kafka-faq-180604024__p1013814384011">Inbound</p>
</td>
<td class="cellrowborder" valign="top" width="10.52%" headers="mcps1.3.2.2.1.2.1.1.2.2.7.1.2 "><p id="kafka-faq-180604024__p413883810013">TCP</p>
</td>
<td class="cellrowborder" valign="top" width="11.01%" headers="mcps1.3.2.2.1.2.1.1.2.2.7.1.3 "><p id="kafka-faq-180604024__p1249323044816">IPv4</p>
</td>
<td class="cellrowborder" valign="top" width="14.01%" headers="mcps1.3.2.2.1.2.1.1.2.2.7.1.4 "><p id="kafka-faq-180604024__p1513818381009">9093</p>
</td>
<td class="cellrowborder" valign="top" width="16.669999999999998%" headers="mcps1.3.2.2.1.2.1.1.2.2.7.1.5 "><p id="kafka-faq-180604024__p161387382010">IP address or IP address group of the Kafka client</p>
</td>
<td class="cellrowborder" valign="top" width="35.57%" headers="mcps1.3.2.2.1.2.1.1.2.2.7.1.6 "><p id="kafka-faq-180604024__p73451549155214">Accessing a Kafka instance over a private network within a VPC (in ciphertext)</p>
</td>
</tr>
<tr id="kafka-faq-180604024__row174873595488"><td class="cellrowborder" valign="top" width="12.22%" headers="mcps1.3.2.2.1.2.1.1.2.2.7.1.1 "><p id="kafka-faq-180604024__p376314613494">Inbound</p>
</td>
<td class="cellrowborder" valign="top" width="10.52%" headers="mcps1.3.2.2.1.2.1.1.2.2.7.1.2 "><p id="kafka-faq-180604024__p2076316619498">TCP</p>
</td>
<td class="cellrowborder" valign="top" width="11.01%" headers="mcps1.3.2.2.1.2.1.1.2.2.7.1.3 "><p id="kafka-faq-180604024__p176316174917">IPv6</p>
</td>
<td class="cellrowborder" valign="top" width="14.01%" headers="mcps1.3.2.2.1.2.1.1.2.2.7.1.4 "><p id="kafka-faq-180604024__p330115481727">9193</p>
</td>
<td class="cellrowborder" valign="top" width="16.669999999999998%" headers="mcps1.3.2.2.1.2.1.1.2.2.7.1.5 "><p id="kafka-faq-180604024__p03011048726">IP address or IP address group of the Kafka client</p>
</td>
<td class="cellrowborder" valign="top" width="35.57%" headers="mcps1.3.2.2.1.2.1.1.2.2.7.1.6 "><p id="kafka-faq-180604024__p748825964817">Accessing a Kafka instance within a VPC (with SSL encryption enabled)</p>
</td>
</tr>
</tbody>
</table>
</div>
</li><li id="kafka-faq-180604024__li8813117192110">If they use different security groups, go to <a href="#kafka-faq-180604024__li128055103219">2</a>.</li></ul>
</p></li><li id="kafka-faq-180604024__li128055103219"><a name="kafka-faq-180604024__li128055103219"></a><a name="li128055103219"></a><span>Configure security group rules as follows.</span><p><p id="kafka-faq-180604024__p61151243202719">Assume that the security groups of the client and Kafka instance are <strong id="kafka-faq-180604024__b0361181519413">sg-53d4</strong> and <strong id="kafka-faq-180604024__b1934131784116">Default_All</strong>, respectively. You can specify a security group or IP address as the destination in the following rule. A security group is used as an example.</p>
<p id="kafka-faq-180604024__p18985121912151">To ensure that your client can access the Kafka instance, add the following rule to the security group configured for the client:</p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="kafka-faq-180604024__table161395381402" frame="border" border="1" rules="all"><caption><b>Table 2 </b>Security group rule</caption><thead align="left"><tr id="kafka-faq-180604024__row17137538605"><th align="left" class="cellrowborder" valign="top" width="25%" id="mcps1.3.2.2.2.2.3.2.5.1.1"><p id="kafka-faq-180604024__p6137163812018">Direction</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="25%" id="mcps1.3.2.2.2.2.3.2.5.1.2"><p id="kafka-faq-180604024__p4927116113312">Action</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="25%" id="mcps1.3.2.2.2.2.3.2.5.1.3"><p id="kafka-faq-180604024__p013711381001">Protocol &amp; Port</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="25%" id="mcps1.3.2.2.2.2.3.2.5.1.4"><p id="kafka-faq-180604024__p213793815012">Destination</p>
</th>
</tr>
</thead>
<tbody><tr id="kafka-faq-180604024__row1313811381103"><td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.2.2.2.2.3.2.5.1.1 "><p id="kafka-faq-180604024__p111381838904">Outbound</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.2.2.2.2.3.2.5.1.2 "><p id="kafka-faq-180604024__p4928166103310">Allow</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.2.2.2.2.3.2.5.1.3 "><p id="kafka-faq-180604024__p17138438408">All</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.2.2.2.2.3.2.5.1.4 "><p id="kafka-faq-180604024__p1713814385015">Default_All</p>
</td>
</tr>
</tbody>
</table>
</div>
<p id="kafka-faq-180604024__p898671911157">To ensure that your client can access the Kafka instance, add the following rule to the security group configured for the instance.</p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="kafka-faq-180604024__table6419122553" frame="border" border="1" rules="all"><caption><b>Table 3 </b>Security group rule</caption><thead align="left"><tr id="kafka-faq-180604024__row142017210513"><th align="left" class="cellrowborder" valign="top" width="25%" id="mcps1.3.2.2.2.2.5.2.5.1.1"><p id="kafka-faq-180604024__p12420132258">Direction</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="25%" id="mcps1.3.2.2.2.2.5.2.5.1.2"><p id="kafka-faq-180604024__p1944504517338">Action</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="25%" id="mcps1.3.2.2.2.2.5.2.5.1.3"><p id="kafka-faq-180604024__p34201621513">Protocol &amp; Port</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="25%" id="mcps1.3.2.2.2.2.5.2.5.1.4"><p id="kafka-faq-180604024__p11420142154">Source</p>
</th>
</tr>
</thead>
<tbody><tr id="kafka-faq-180604024__row1420021514"><td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.2.2.2.2.5.2.5.1.1 "><p id="kafka-faq-180604024__p5420224519">Inbound</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.2.2.2.2.5.2.5.1.2 "><p id="kafka-faq-180604024__p164451145183311">Allow</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.2.2.2.2.5.2.5.1.3 "><p id="kafka-faq-180604024__p10420162158">All</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.2.2.2.2.5.2.5.1.4 "><p id="kafka-faq-180604024__p194201217511">sg-53d4</p>
</td>
</tr>
</tbody>
</table>
</div>
</p></li></ol>
</div>
<div class="section" id="kafka-faq-180604024__section147170137196"><h4 class="sectiontitle">Cross-VPC and DNAT-based Instance Access</h4><p id="kafka-faq-180604024__p12499458321">Configure security group rules according to <a href="#kafka-faq-180604024__table11349192018326">Table 4</a>.</p>
<div class="tablenoborder"><a name="kafka-faq-180604024__table11349192018326"></a><a name="table11349192018326"></a><table cellpadding="4" cellspacing="0" summary="" id="kafka-faq-180604024__table11349192018326" frame="border" border="1" rules="all"><caption><b>Table 4 </b>Security group rules</caption><thead align="left"><tr id="kafka-faq-180604024__row83491620143213"><th align="left" class="cellrowborder" valign="top" width="13.209999999999999%" id="mcps1.3.3.3.2.6.1.1"><p id="kafka-faq-180604024__p8349162053216">Direction</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="15.15%" id="mcps1.3.3.3.2.6.1.2"><p id="kafka-faq-180604024__p183491120183216">Protocol</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="15.15%" id="mcps1.3.3.3.2.6.1.3"><p id="kafka-faq-180604024__p17349420153215">Port</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="18.029999999999998%" id="mcps1.3.3.3.2.6.1.4"><p id="kafka-faq-180604024__p18349122015325">Source</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="38.46%" id="mcps1.3.3.3.2.6.1.5"><p id="kafka-faq-180604024__p334915202325">Description</p>
</th>
</tr>
</thead>
<tbody><tr id="kafka-faq-180604024__row345165713715"><td class="cellrowborder" valign="top" width="13.209999999999999%" headers="mcps1.3.3.3.2.6.1.1 "><p id="kafka-faq-180604024__p14455573720">Inbound</p>
</td>
<td class="cellrowborder" valign="top" width="15.15%" headers="mcps1.3.3.3.2.6.1.2 "><p id="kafka-faq-180604024__p64515573712">TCP</p>
</td>
<td class="cellrowborder" valign="top" width="15.15%" headers="mcps1.3.3.3.2.6.1.3 "><p id="kafka-faq-180604024__p154565712720">9011</p>
</td>
<td class="cellrowborder" valign="top" width="18.029999999999998%" headers="mcps1.3.3.3.2.6.1.4 "><p id="kafka-faq-180604024__p11451857871">198.19.128.0/17</p>
</td>
<td class="cellrowborder" valign="top" width="38.46%" headers="mcps1.3.3.3.2.6.1.5 "><p id="kafka-faq-180604024__p124511571971">Accessing a Kafka instance using a VPC endpoint across VPCs (in cipher- or plaintext)</p>
</td>
</tr>
<tr id="kafka-faq-180604024__row428119416531"><td class="cellrowborder" valign="top" width="13.209999999999999%" headers="mcps1.3.3.3.2.6.1.1 "><p id="kafka-faq-180604024__p16281184175320">Inbound</p>
</td>
<td class="cellrowborder" valign="top" width="15.15%" headers="mcps1.3.3.3.2.6.1.2 "><p id="kafka-faq-180604024__p11281194115316">TCP</p>
</td>
<td class="cellrowborder" valign="top" width="15.15%" headers="mcps1.3.3.3.2.6.1.3 "><p id="kafka-faq-180604024__p128124125311">9011</p>
</td>
<td class="cellrowborder" valign="top" width="18.029999999999998%" headers="mcps1.3.3.3.2.6.1.4 "><p id="kafka-faq-180604024__p13281114185318">IP address or IP address group of the Kafka client</p>
</td>
<td class="cellrowborder" valign="top" width="38.46%" headers="mcps1.3.3.3.2.6.1.5 "><p id="kafka-faq-180604024__p82817475319">Accessing a Kafka instance using DNAT (in cipher- or plaintext)</p>
</td>
</tr>
<tr id="kafka-faq-180604024__row1718411194017"><td class="cellrowborder" valign="top" width="13.209999999999999%" headers="mcps1.3.3.3.2.6.1.1 "><p id="kafka-faq-180604024__p52173251304">Inbound</p>
</td>
<td class="cellrowborder" valign="top" width="15.15%" headers="mcps1.3.3.3.2.6.1.2 "><p id="kafka-faq-180604024__p1621722512018">TCP</p>
</td>
<td class="cellrowborder" valign="top" width="15.15%" headers="mcps1.3.3.3.2.6.1.3 "><p id="kafka-faq-180604024__p4521518014">9092</p>
</td>
<td class="cellrowborder" valign="top" width="18.029999999999998%" headers="mcps1.3.3.3.2.6.1.4 "><p id="kafka-faq-180604024__p145219515014">IP address or IP address group of the Kafka client</p>
</td>
<td class="cellrowborder" valign="top" width="38.46%" headers="mcps1.3.3.3.2.6.1.5 "><p id="kafka-faq-180604024__p8224188618">Accessing a Kafka instance using a peering connection across VPCs (in plaintext)</p>
</td>
</tr>
<tr id="kafka-faq-180604024__row1152521617118"><td class="cellrowborder" valign="top" width="13.209999999999999%" headers="mcps1.3.3.3.2.6.1.1 "><p id="kafka-faq-180604024__p19787123614117">Inbound</p>
</td>
<td class="cellrowborder" valign="top" width="15.15%" headers="mcps1.3.3.3.2.6.1.2 "><p id="kafka-faq-180604024__p77871636712">TCP</p>
</td>
<td class="cellrowborder" valign="top" width="15.15%" headers="mcps1.3.3.3.2.6.1.3 "><p id="kafka-faq-180604024__p1258910461018">9093</p>
</td>
<td class="cellrowborder" valign="top" width="18.029999999999998%" headers="mcps1.3.3.3.2.6.1.4 "><p id="kafka-faq-180604024__p1858913461114">IP address or IP address group of the Kafka client</p>
</td>
<td class="cellrowborder" valign="top" width="38.46%" headers="mcps1.3.3.3.2.6.1.5 "><p id="kafka-faq-180604024__p1032716521111">Accessing a Kafka instance using a peering connection across VPCs (in ciphertext)</p>
</td>
</tr>
</tbody>
</table>
</div>
</div>
<div class="section" id="kafka-faq-180604024__section8684102819199"><h4 class="sectiontitle">Public Access</h4><p id="kafka-faq-180604024__p1678104418199">Configure security group rules according to <a href="#kafka-faq-180604024__table221215285815">Table 5</a>.</p>
<div class="tablenoborder"><a name="kafka-faq-180604024__table221215285815"></a><a name="table221215285815"></a><table cellpadding="4" cellspacing="0" summary="" id="kafka-faq-180604024__table221215285815" frame="border" border="1" rules="all"><caption><b>Table 5 </b>Security group rules</caption><thead align="left"><tr id="kafka-faq-180604024__row12120281784"><th align="left" class="cellrowborder" valign="top" width="12.22%" id="mcps1.3.4.3.2.7.1.1"><p id="kafka-faq-180604024__p82125284818">Direction</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="10.8%" id="mcps1.3.4.3.2.7.1.2"><p id="kafka-faq-180604024__p521314281811">Protocol</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="10.73%" id="mcps1.3.4.3.2.7.1.3"><p id="kafka-faq-180604024__p10240104725118">Type</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="14.01%" id="mcps1.3.4.3.2.7.1.4"><p id="kafka-faq-180604024__p1121312289817">Port</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="16.669999999999998%" id="mcps1.3.4.3.2.7.1.5"><p id="kafka-faq-180604024__p1421310286815">Source</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="35.57%" id="mcps1.3.4.3.2.7.1.6"><p id="kafka-faq-180604024__p81371838802">Description</p>
</th>
</tr>
</thead>
<tbody><tr id="kafka-faq-180604024__row1421316282820"><td class="cellrowborder" valign="top" width="12.22%" headers="mcps1.3.4.3.2.7.1.1 "><p id="kafka-faq-180604024__p2021319281816">Inbound</p>
</td>
<td class="cellrowborder" valign="top" width="10.8%" headers="mcps1.3.4.3.2.7.1.2 "><p id="kafka-faq-180604024__p1021352815816">TCP</p>
</td>
<td class="cellrowborder" valign="top" width="10.73%" headers="mcps1.3.4.3.2.7.1.3 "><p id="kafka-faq-180604024__p224064765110">IPv4</p>
</td>
<td class="cellrowborder" valign="top" width="14.01%" headers="mcps1.3.4.3.2.7.1.4 "><p id="kafka-faq-180604024__p1921320288819">9094</p>
</td>
<td class="cellrowborder" valign="top" width="16.669999999999998%" headers="mcps1.3.4.3.2.7.1.5 "><p id="kafka-faq-180604024__p1121316281483">IP address or IP address group of the Kafka client</p>
</td>
<td class="cellrowborder" valign="top" width="35.57%" headers="mcps1.3.4.3.2.7.1.6 "><p id="kafka-faq-180604024__p151381038801">Accessing a Kafka instance over a public network (in plaintext)</p>
</td>
</tr>
<tr id="kafka-faq-180604024__row131381384015"><td class="cellrowborder" valign="top" width="12.22%" headers="mcps1.3.4.3.2.7.1.1 "><p id="kafka-faq-180604024__p2138123810010">Inbound</p>
</td>
<td class="cellrowborder" valign="top" width="10.8%" headers="mcps1.3.4.3.2.7.1.2 "><p id="kafka-faq-180604024__p3138538509">TCP</p>
</td>
<td class="cellrowborder" valign="top" width="10.73%" headers="mcps1.3.4.3.2.7.1.3 "><p id="kafka-faq-180604024__p524044725114">IPv4</p>
</td>
<td class="cellrowborder" valign="top" width="14.01%" headers="mcps1.3.4.3.2.7.1.4 "><p id="kafka-faq-180604024__p21387381002">9095</p>
</td>
<td class="cellrowborder" valign="top" width="16.669999999999998%" headers="mcps1.3.4.3.2.7.1.5 "><p id="kafka-faq-180604024__p151384381409">IP address or IP address group of the Kafka client</p>
</td>
<td class="cellrowborder" valign="top" width="35.57%" headers="mcps1.3.4.3.2.7.1.6 "><p id="kafka-faq-180604024__p1345124955213">Accessing a Kafka instance over a public network (in ciphertext)</p>
</td>
</tr>
<tr id="kafka-faq-180604024__row1891385312478"><td class="cellrowborder" valign="top" width="12.22%" headers="mcps1.3.4.3.2.7.1.1 "><p id="kafka-faq-180604024__p611715571553">Inbound</p>
</td>
<td class="cellrowborder" valign="top" width="10.8%" headers="mcps1.3.4.3.2.7.1.2 "><p id="kafka-faq-180604024__p101171571057">TCP</p>
</td>
<td class="cellrowborder" valign="top" width="10.73%" headers="mcps1.3.4.3.2.7.1.3 "><p id="kafka-faq-180604024__p8240347115111">IPv6</p>
</td>
<td class="cellrowborder" valign="top" width="14.01%" headers="mcps1.3.4.3.2.7.1.4 "><p id="kafka-faq-180604024__p1220893212297">9192</p>
</td>
<td class="cellrowborder" valign="top" width="16.669999999999998%" headers="mcps1.3.4.3.2.7.1.5 "><p id="kafka-faq-180604024__p730633134812">IP address or IP address group of the Kafka client</p>
</td>
<td class="cellrowborder" valign="top" width="35.57%" headers="mcps1.3.4.3.2.7.1.6 "><p id="kafka-faq-180604024__p33061831124811">Accessing a Kafka instance over a public network (without SSL)</p>
</td>
</tr>
<tr id="kafka-faq-180604024__row533018212526"><td class="cellrowborder" valign="top" width="12.22%" headers="mcps1.3.4.3.2.7.1.1 "><p id="kafka-faq-180604024__p466961019614">Inbound</p>
</td>
<td class="cellrowborder" valign="top" width="10.8%" headers="mcps1.3.4.3.2.7.1.2 "><p id="kafka-faq-180604024__p8669151018616">TCP</p>
</td>
<td class="cellrowborder" valign="top" width="10.73%" headers="mcps1.3.4.3.2.7.1.3 "><p id="kafka-faq-180604024__p172080324293">IPv6</p>
</td>
<td class="cellrowborder" valign="top" width="14.01%" headers="mcps1.3.4.3.2.7.1.4 "><p id="kafka-faq-180604024__p772294195311">9193</p>
</td>
<td class="cellrowborder" valign="top" width="16.669999999999998%" headers="mcps1.3.4.3.2.7.1.5 "><p id="kafka-faq-180604024__p27222049531">IP address or IP address group of the Kafka client</p>
</td>
<td class="cellrowborder" valign="top" width="35.57%" headers="mcps1.3.4.3.2.7.1.6 "><p id="kafka-faq-180604024__p430120571108">Accessing a Kafka instance over a public network (with SSL)</p>
</td>
</tr>
</tbody>
</table>
</div>
<p id="kafka-faq-180604024__p13271331193018"></p>
</div>
</div>
<div>
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